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|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
// CHECK_LOG_REDACTION
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
#include "mongo/platform/basic.h"
#include "mongo/db/curop.h"
#include <iomanip>
#include "mongo/bson/mutable/document.h"
#include "mongo/config.h"
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/client.h"
#include "mongo/db/commands.h"
#include "mongo/db/commands/server_status_metric.h"
#include "mongo/db/concurrency/d_concurrency.h"
#include "mongo/db/concurrency/locker.h"
#include "mongo/db/json.h"
#include "mongo/db/prepare_conflict_tracker.h"
#include "mongo/db/profile_filter.h"
#include "mongo/db/query/getmore_request.h"
#include "mongo/db/query/plan_summary_stats.h"
#include "mongo/logv2/log.h"
#include "mongo/rpc/metadata/client_metadata.h"
#include "mongo/rpc/metadata/impersonated_user_metadata.h"
#include "mongo/transport/service_executor.h"
#include "mongo/util/hex.h"
#include "mongo/util/log_with_sampling.h"
#include "mongo/util/net/socket_utils.h"
#include "mongo/util/str.h"
#include "mongo/util/system_tick_source.h"
#include <mongo/db/stats/timer_stats.h>
namespace mongo {
using std::string;
namespace {
// Lists the $-prefixed query options that can be passed alongside a wrapped query predicate for
// OP_QUERY find. The $orderby field is omitted because "orderby" (no dollar sign) is also allowed,
// and this requires special handling.
const std::vector<const char*> kDollarQueryModifiers = {
"$hint",
"$comment",
"$max",
"$min",
"$returnKey",
"$showDiskLoc",
"$snapshot",
"$maxTimeMS",
};
TimerStats oplogGetMoreStats;
ServerStatusMetricField<TimerStats> displayBatchesReceived("repl.network.oplogGetMoresProcessed",
&oplogGetMoreStats);
} // namespace
BSONObj upconvertQueryEntry(const BSONObj& query,
const NamespaceString& nss,
int ntoreturn,
int ntoskip) {
BSONObjBuilder bob;
bob.append("find", nss.coll());
// Whether or not the query predicate is wrapped inside a "query" or "$query" field so that
// other options can be passed alongside the predicate.
bool predicateIsWrapped = false;
// Extract the query predicate.
BSONObj filter;
if (query["query"].isABSONObj()) {
predicateIsWrapped = true;
bob.appendAs(query["query"], "filter");
} else if (query["$query"].isABSONObj()) {
predicateIsWrapped = true;
bob.appendAs(query["$query"], "filter");
} else if (!query.isEmpty()) {
bob.append("filter", query);
}
if (ntoskip) {
bob.append("skip", ntoskip);
}
if (ntoreturn) {
bob.append("ntoreturn", ntoreturn);
}
// The remainder of the query options are only available if the predicate is passed in wrapped
// form. If the predicate is not wrapped, we're done.
if (!predicateIsWrapped) {
return bob.obj();
}
// Extract the sort.
if (auto elem = query["orderby"]) {
bob.appendAs(elem, "sort");
} else if (auto elem = query["$orderby"]) {
bob.appendAs(elem, "sort");
}
// Add $-prefixed OP_QUERY modifiers, like $hint.
for (auto modifier : kDollarQueryModifiers) {
if (auto elem = query[modifier]) {
// Use "+ 1" to omit the leading dollar sign.
bob.appendAs(elem, modifier + 1);
}
}
return bob.obj();
}
BSONObj upconvertGetMoreEntry(const NamespaceString& nss, CursorId cursorId, int ntoreturn) {
return GetMoreRequest(nss,
cursorId,
ntoreturn,
boost::none, // awaitDataTimeout
boost::none, // term
boost::none // lastKnownCommittedOpTime
)
.toBSON();
}
/**
* This type decorates a Client object with a stack of active CurOp objects.
*
* It encapsulates the nesting logic for curops attached to a Client, along with
* the notion that there is always a root CurOp attached to a Client.
*
* The stack itself is represented in the _parent pointers of the CurOp class.
*/
class CurOp::CurOpStack {
CurOpStack(const CurOpStack&) = delete;
CurOpStack& operator=(const CurOpStack&) = delete;
public:
CurOpStack() : _base(nullptr, this) {}
/**
* Returns the top of the CurOp stack.
*/
CurOp* top() const {
return _top;
}
/**
* Adds "curOp" to the top of the CurOp stack for a client. Called by CurOp's constructor.
*/
void push(OperationContext* opCtx, CurOp* curOp) {
invariant(opCtx);
if (_opCtx) {
invariant(_opCtx == opCtx);
} else {
_opCtx = opCtx;
}
stdx::lock_guard<Client> lk(*_opCtx->getClient());
push_nolock(curOp);
}
void push_nolock(CurOp* curOp) {
invariant(!curOp->_parent);
curOp->_parent = _top;
_top = curOp;
}
/**
* Pops the top off the CurOp stack for a Client. Called by CurOp's destructor.
*/
CurOp* pop() {
// It is not necessary to lock when popping the final item off of the curop stack. This
// is because the item at the base of the stack is owned by the stack itself, and is not
// popped until the stack is being destroyed. By the time the stack is being destroyed,
// no other threads can be observing the Client that owns the stack, because it has been
// removed from its ServiceContext's set of owned clients. Further, because the last
// item is popped in the destructor of the stack, and that destructor runs during
// destruction of the owning client, it is not safe to access other member variables of
// the client during the final pop.
const bool shouldLock = _top->_parent;
if (shouldLock) {
invariant(_opCtx);
_opCtx->getClient()->lock();
}
invariant(_top);
CurOp* retval = _top;
_top = _top->_parent;
if (shouldLock) {
_opCtx->getClient()->unlock();
}
return retval;
}
const OperationContext* opCtx() {
return _opCtx;
}
private:
OperationContext* _opCtx = nullptr;
// Top of the stack of CurOps for a Client.
CurOp* _top = nullptr;
// The bottom-most CurOp for a client.
const CurOp _base;
};
const OperationContext::Decoration<CurOp::CurOpStack> CurOp::_curopStack =
OperationContext::declareDecoration<CurOp::CurOpStack>();
CurOp* CurOp::get(const OperationContext* opCtx) {
return get(*opCtx);
}
CurOp* CurOp::get(const OperationContext& opCtx) {
return _curopStack(opCtx).top();
}
void CurOp::reportCurrentOpForClient(OperationContext* opCtx,
Client* client,
bool truncateOps,
bool backtraceMode,
BSONObjBuilder* infoBuilder) {
invariant(client);
OperationContext* clientOpCtx = client->getOperationContext();
infoBuilder->append("type", "op");
const std::string hostName = getHostNameCachedAndPort();
infoBuilder->append("host", hostName);
client->reportState(*infoBuilder);
if (auto clientMetadata = ClientMetadata::get(client)) {
auto appName = clientMetadata->getApplicationName();
if (!appName.empty()) {
infoBuilder->append("appName", appName);
}
auto clientMetadataDocument = clientMetadata->getDocument();
infoBuilder->append("clientMetadata", clientMetadataDocument);
}
// Fill out the rest of the BSONObj with opCtx specific details.
infoBuilder->appendBool("active", client->hasAnyActiveCurrentOp());
infoBuilder->append("currentOpTime",
opCtx->getServiceContext()->getPreciseClockSource()->now().toString());
auto authSession = AuthorizationSession::get(client);
// Depending on whether the authenticated user is the same user which ran the command,
// this might be "effectiveUsers" or "runBy".
const auto serializeAuthenticatedUsers = [&](StringData name) {
if (authSession->isAuthenticated()) {
BSONArrayBuilder users(infoBuilder->subarrayStart(name));
for (auto userIt = authSession->getAuthenticatedUserNames(); userIt.more();
userIt.next()) {
userIt->serializeToBSON(&users);
}
}
};
auto maybeImpersonationData = rpc::getImpersonatedUserMetadata(clientOpCtx);
if (maybeImpersonationData) {
BSONArrayBuilder users(infoBuilder->subarrayStart("effectiveUsers"));
for (const auto& user : maybeImpersonationData->getUsers()) {
user.serializeToBSON(&users);
}
users.doneFast();
serializeAuthenticatedUsers("runBy"_sd);
} else {
serializeAuthenticatedUsers("effectiveUsers"_sd);
}
if (const auto seCtx = transport::ServiceExecutorContext::get(client)) {
bool isDedicated = (seCtx->getThreadingModel() ==
transport::ServiceExecutorContext::ThreadingModel::kDedicated);
infoBuilder->append("threaded"_sd, isDedicated);
}
if (clientOpCtx) {
infoBuilder->append("opid", static_cast<int>(clientOpCtx->getOpID()));
if (auto opKey = clientOpCtx->getOperationKey()) {
opKey->appendToBuilder(infoBuilder, "operationKey");
}
if (clientOpCtx->isKillPending()) {
infoBuilder->append("killPending", true);
}
if (auto lsid = clientOpCtx->getLogicalSessionId()) {
BSONObjBuilder lsidBuilder(infoBuilder->subobjStart("lsid"));
lsid->serialize(&lsidBuilder);
}
CurOp::get(clientOpCtx)->reportState(clientOpCtx, infoBuilder, truncateOps);
}
#ifndef MONGO_CONFIG_USE_RAW_LATCHES
if (auto diagnostic = DiagnosticInfo::get(*client)) {
BSONObjBuilder waitingForLatchBuilder(infoBuilder->subobjStart("waitingForLatch"));
waitingForLatchBuilder.append("timestamp", diagnostic->getTimestamp());
waitingForLatchBuilder.append("captureName", diagnostic->getCaptureName());
if (backtraceMode) {
BSONArrayBuilder backtraceBuilder(waitingForLatchBuilder.subarrayStart("backtrace"));
/** This branch becomes useful again with SERVER-44091
for (const auto& frame : diagnostic->makeStackTrace().frames) {
BSONObjBuilder backtraceObj(backtraceBuilder.subobjStart());
backtraceObj.append("addr", unsignedHex(frame.instructionOffset));
backtraceObj.append("path", frame.objectPath);
}
*/
}
}
#endif
}
void CurOp::setGenericCursor_inlock(GenericCursor gc) {
_genericCursor = std::move(gc);
}
void CurOp::_finishInit(OperationContext* opCtx, CurOpStack* stack) {
_stack = stack;
_tickSource = SystemTickSource::get();
if (opCtx) {
_stack->push(opCtx, this);
} else {
_stack->push_nolock(this);
}
}
CurOp::CurOp(OperationContext* opCtx) {
// If this is a sub-operation, we store the snapshot of lock stats as the base lock stats of the
// current operation.
if (_parent != nullptr)
_lockStatsBase = opCtx->lockState()->getLockerInfo(boost::none)->stats;
// Add the CurOp object onto the stack of active CurOp objects.
_finishInit(opCtx, &_curopStack(opCtx));
}
CurOp::CurOp(OperationContext* opCtx, CurOpStack* stack) {
_finishInit(opCtx, stack);
}
CurOp::~CurOp() {
if (parent() != nullptr)
parent()->yielded(_numYields.load());
invariant(this == _stack->pop());
}
void CurOp::setGenericOpRequestDetails(OperationContext* opCtx,
const NamespaceString& nss,
const Command* command,
BSONObj cmdObj,
NetworkOp op) {
// Set the _isCommand flags based on network op only. For legacy writes on mongoS, we resolve
// them to OpMsgRequests and then pass them into the Commands path, so having a valid Command*
// here does not guarantee that the op was issued from the client using a command protocol.
const bool isCommand = (op == dbMsg || (op == dbQuery && nss.isCommand()));
auto logicalOp = (command ? command->getLogicalOp() : networkOpToLogicalOp(op));
stdx::lock_guard<Client> clientLock(*opCtx->getClient());
_isCommand = _debug.iscommand = isCommand;
_logicalOp = _debug.logicalOp = logicalOp;
_networkOp = _debug.networkOp = op;
_opDescription = cmdObj;
_command = command;
_ns = nss.ns();
}
void CurOp::setMessage_inlock(StringData message) {
if (_progressMeter.isActive()) {
LOGV2_ERROR(20527,
"Changing message from {old} to {new}",
"Updating message",
"old"_attr = redact(_message),
"new"_attr = redact(message));
verify(!_progressMeter.isActive());
}
_message = message.toString(); // copy
}
ProgressMeter& CurOp::setProgress_inlock(StringData message,
unsigned long long progressMeterTotal,
int secondsBetween) {
setMessage_inlock(message);
_progressMeter.reset(progressMeterTotal, secondsBetween);
_progressMeter.setName(message);
return _progressMeter;
}
void CurOp::setNS_inlock(StringData ns) {
_ns = ns.toString();
}
TickSource::Tick CurOp::startTime() {
// It is legal for this function to get called multiple times, but all of those calls should be
// from the same thread, which should be the thread that "owns" this CurOp object. We define
// ownership here in terms of the Client object: each thread is associated with a Client
// (accessed by 'Client::getCurrent()'), which should be the same as the Client associated with
// this CurOp (by way of the OperationContext). Note that, if this is the "base" CurOp on the
// CurOpStack, then we don't yet hava an initialized pointer to the OperationContext, and we
// cannot perform this check. That is a rare case, however.
invariant(!_stack->opCtx() || Client::getCurrent() == _stack->opCtx()->getClient());
auto start = _start.load();
if (start != 0) {
return start;
}
// The '_start' value is initialized to 0 and gets assigned on demand the first time it gets
// accessed. The above thread ownership requirement ensures that there will never be concurrent
// calls to this '_start' assignment, but we use compare-exchange anyway as an additional check
// that writes to '_start' never race.
TickSource::Tick unassignedStart = 0;
invariant(_start.compare_exchange_strong(unassignedStart, _tickSource->getTicks()));
return _start.load();
}
void CurOp::done() {
// As documented in the 'CurOp::startTime()' member function, it is legal for this function to
// be called multiple times, but all calls must be in in the thread that "owns" this CurOp
// object.
invariant(!_stack->opCtx() || Client::getCurrent() == _stack->opCtx()->getClient());
_end = _tickSource->getTicks();
}
Microseconds CurOp::computeElapsedTimeTotal(TickSource::Tick startTime,
TickSource::Tick endTime) const {
invariant(startTime != 0);
if (!endTime) {
// This operation is ongoing.
return _tickSource->ticksTo<Microseconds>(_tickSource->getTicks() - startTime);
}
return _tickSource->ticksTo<Microseconds>(endTime - startTime);
}
void CurOp::enter_inlock(const char* ns, int dbProfileLevel) {
ensureStarted();
_ns = ns;
raiseDbProfileLevel(dbProfileLevel);
}
void CurOp::raiseDbProfileLevel(int dbProfileLevel) {
_dbprofile = std::max(dbProfileLevel, _dbprofile);
}
static constexpr size_t appendMaxElementSize = 50 * 1024;
bool CurOp::completeAndLogOperation(OperationContext* opCtx,
logv2::LogComponent component,
boost::optional<size_t> responseLength,
boost::optional<long long> slowMsOverride,
bool forceLog) {
const long long slowMs = slowMsOverride.value_or(serverGlobalParams.slowMS);
// Record the size of the response returned to the client, if applicable.
if (responseLength) {
_debug.responseLength = *responseLength;
}
// Obtain the total execution time of this operation.
done();
_debug.executionTime = duration_cast<Microseconds>(elapsedTimeExcludingPauses());
const auto executionTimeMillis = durationCount<Milliseconds>(_debug.executionTime);
if (_debug.isReplOplogGetMore) {
oplogGetMoreStats.recordMillis(executionTimeMillis);
}
bool shouldLogSlowOp, shouldProfileAtLevel1;
if (auto filter =
CollectionCatalog::get(opCtx)->getDatabaseProfileSettings(getNSS().db()).filter) {
bool passesFilter = filter->matches(opCtx, _debug, *this);
shouldLogSlowOp = passesFilter;
shouldProfileAtLevel1 = passesFilter;
} else {
// Log the operation if it is eligible according to the current slowMS and sampleRate
// settings.
bool shouldSample;
std::tie(shouldLogSlowOp, shouldSample) = shouldLogSlowOpWithSampling(
opCtx, component, Milliseconds(executionTimeMillis), Milliseconds(slowMs));
shouldProfileAtLevel1 = shouldLogSlowOp && shouldSample;
}
if (forceLog || shouldLogSlowOp) {
auto lockerInfo = opCtx->lockState()->getLockerInfo(_lockStatsBase);
if (_debug.storageStats == nullptr && opCtx->lockState()->wasGlobalLockTaken() &&
opCtx->getServiceContext()->getStorageEngine()) {
// Do not fetch operation statistics again if we have already got them (for instance,
// as a part of stashing the transaction).
// Take a lock before calling into the storage engine to prevent racing against a
// shutdown. Any operation that used a storage engine would have at-least held a
// global lock at one point, hence we limit our lock acquisition to such operations.
// We can get here and our lock acquisition be timed out or interrupted, log a
// message if that happens.
try {
// Retrieving storage stats should not be blocked by oplog application.
ShouldNotConflictWithSecondaryBatchApplicationBlock shouldNotConflictBlock(
opCtx->lockState());
Lock::GlobalLock lk(opCtx,
MODE_IS,
Date_t::now() + Milliseconds(500),
Lock::InterruptBehavior::kLeaveUnlocked);
if (lk.isLocked()) {
_debug.storageStats = opCtx->recoveryUnit()->getOperationStatistics();
} else {
LOGV2_WARNING_OPTIONS(
20525,
{component},
"Failed to gather storage statistics for {opId} due to {reason}",
"Failed to gather storage statistics for slow operation",
"opId"_attr = opCtx->getOpID(),
"error"_attr = "lock acquire timeout"_sd);
}
} catch (const ExceptionForCat<ErrorCategory::Interruption>& ex) {
LOGV2_WARNING_OPTIONS(
20526,
{component},
"Failed to gather storage statistics for {opId} due to {reason}",
"Failed to gather storage statistics for slow operation",
"opId"_attr = opCtx->getOpID(),
"error"_attr = redact(ex));
}
}
// Gets the time spent blocked on prepare conflicts.
auto prepareConflictDurationMicros =
PrepareConflictTracker::get(opCtx).getPrepareConflictDuration();
_debug.prepareConflictDurationMillis =
duration_cast<Milliseconds>(prepareConflictDurationMicros);
auto operationMetricsPtr = [&]() -> ResourceConsumption::OperationMetrics* {
auto& metricsCollector = ResourceConsumption::MetricsCollector::get(opCtx);
if (metricsCollector.hasCollectedMetrics()) {
return &metricsCollector.getMetrics();
}
return nullptr;
}();
logv2::DynamicAttributes attr;
_debug.report(
opCtx, (lockerInfo ? &lockerInfo->stats : nullptr), operationMetricsPtr, &attr);
LOGV2_OPTIONS(51803, {component}, "Slow query", attr);
_checkForFailpointsAfterCommandLogged();
}
// Return 'true' if this operation should also be added to the profiler.
if (_dbprofile >= 2)
return true;
if (_dbprofile <= 0)
return false;
return shouldProfileAtLevel1;
}
// Failpoints after commands are logged.
constexpr auto kPrepareTransactionCmdName = "prepareTransaction"_sd;
MONGO_FAIL_POINT_DEFINE(waitForPrepareTransactionCommandLogged);
constexpr auto kHelloCmdName = "hello"_sd;
MONGO_FAIL_POINT_DEFINE(waitForHelloCommandLogged);
constexpr auto kIsMasterCmdName = "isMaster"_sd;
MONGO_FAIL_POINT_DEFINE(waitForIsMasterCommandLogged);
void CurOp::_checkForFailpointsAfterCommandLogged() {
if (!isCommand() || !getCommand()) {
return;
}
auto cmdName = getCommand()->getName();
if (cmdName == kPrepareTransactionCmdName) {
if (MONGO_unlikely(waitForPrepareTransactionCommandLogged.shouldFail())) {
LOGV2(31481, "waitForPrepareTransactionCommandLogged failpoint enabled");
}
} else if (cmdName == kHelloCmdName) {
if (MONGO_unlikely(waitForHelloCommandLogged.shouldFail())) {
LOGV2(31482, "waitForHelloCommandLogged failpoint enabled");
}
} else if (cmdName == kIsMasterCmdName) {
if (MONGO_unlikely(waitForIsMasterCommandLogged.shouldFail())) {
LOGV2(31483, "waitForIsMasterCommandLogged failpoint enabled");
}
}
}
Command::ReadWriteType CurOp::getReadWriteType() const {
if (_command) {
return _command->getReadWriteType();
}
switch (_logicalOp) {
case LogicalOp::opGetMore:
case LogicalOp::opQuery:
return Command::ReadWriteType::kRead;
case LogicalOp::opUpdate:
case LogicalOp::opInsert:
case LogicalOp::opDelete:
return Command::ReadWriteType::kWrite;
default:
return Command::ReadWriteType::kCommand;
}
}
namespace {
BSONObj appendCommentField(OperationContext* opCtx, const BSONObj& cmdObj) {
return opCtx->getComment() && !cmdObj["comment"] ? cmdObj.addField(*opCtx->getComment())
: cmdObj;
}
/**
* Appends {<name>: obj} to the provided builder. If obj is greater than maxSize, appends a string
* summary of obj as { <name>: { $truncated: "obj" } }. If a comment parameter is present, add it to
* the truncation object.
*/
void appendAsObjOrString(StringData name,
const BSONObj& obj,
const boost::optional<size_t> maxSize,
BSONObjBuilder* builder) {
if (!maxSize || static_cast<size_t>(obj.objsize()) <= *maxSize) {
builder->append(name, obj);
} else {
// Generate an abbreviated serialization for the object, by passing false as the "full"
// argument to obj.toString(). Remove "comment" field from the object, if present, since
// this will be promoted to a top-level field in the output.
std::string objToString =
(obj.hasField("comment") ? obj.removeField("comment") : obj).toString();
if (objToString.size() > *maxSize) {
// objToString is still too long, so we append to the builder a truncated form
// of objToString concatenated with "...". Instead of creating a new string
// temporary, mutate objToString to do this (we know that we can mutate
// characters in objToString up to and including objToString[maxSize]).
objToString[*maxSize - 3] = '.';
objToString[*maxSize - 2] = '.';
objToString[*maxSize - 1] = '.';
}
StringData truncation = StringData(objToString).substr(0, *maxSize);
// Append the truncated representation of the object to the builder. If a comment parameter
// is present, write it to the object alongside the truncated op. This object will appear as
// {$truncated: "{find: \"collection\", filter: {x: 1, ...", comment: "comment text" }
BSONObjBuilder truncatedBuilder(builder->subobjStart(name));
truncatedBuilder.append("$truncated", truncation);
if (auto comment = obj["comment"]) {
truncatedBuilder.append(comment);
}
truncatedBuilder.doneFast();
}
}
} // namespace
BSONObj CurOp::truncateAndSerializeGenericCursor(GenericCursor* cursor,
boost::optional<size_t> maxQuerySize) {
// This creates a new builder to truncate the object that will go into the curOp output. In
// order to make sure the object is not too large but not truncate the comment, we only
// truncate the originatingCommand and not the entire cursor.
if (maxQuerySize) {
BSONObjBuilder tempObj;
appendAsObjOrString(
"truncatedObj", cursor->getOriginatingCommand().get(), maxQuerySize, &tempObj);
auto originatingCommand = tempObj.done().getObjectField("truncatedObj");
cursor->setOriginatingCommand(originatingCommand.getOwned());
}
// lsid, ns, and planSummary exist in the top level curop object, so they need to be temporarily
// removed from the cursor object to avoid duplicating information.
auto lsid = cursor->getLsid();
auto ns = cursor->getNs();
auto originalPlanSummary(cursor->getPlanSummary() ? boost::optional<std::string>(
cursor->getPlanSummary()->toString())
: boost::none);
cursor->setLsid(boost::none);
cursor->setNs(boost::none);
cursor->setPlanSummary(boost::none);
auto serialized = cursor->toBSON();
cursor->setLsid(lsid);
cursor->setNs(ns);
if (originalPlanSummary) {
cursor->setPlanSummary(StringData(*originalPlanSummary));
}
return serialized;
}
void CurOp::reportState(OperationContext* opCtx, BSONObjBuilder* builder, bool truncateOps) {
auto start = _start.load();
if (start) {
auto end = _end.load();
auto elapsedTimeTotal = computeElapsedTimeTotal(start, end);
builder->append("secs_running", durationCount<Seconds>(elapsedTimeTotal));
builder->append("microsecs_running", durationCount<Microseconds>(elapsedTimeTotal));
}
builder->append("op", logicalOpToString(_logicalOp));
builder->append("ns", _ns);
// When the currentOp command is run, it returns a single response object containing all current
// operations; this request will fail if the response exceeds the 16MB document limit. By
// contrast, the $currentOp aggregation stage does not have this restriction. If 'truncateOps'
// is true, limit the size of each op to 1000 bytes. Otherwise, do not truncate.
const boost::optional<size_t> maxQuerySize{truncateOps, 1000};
appendAsObjOrString(
"command", appendCommentField(opCtx, _opDescription), maxQuerySize, builder);
if (!_planSummary.empty()) {
builder->append("planSummary", _planSummary);
}
if (_genericCursor) {
builder->append("cursor",
truncateAndSerializeGenericCursor(&(*_genericCursor), maxQuerySize));
}
if (!_message.empty()) {
if (_progressMeter.isActive()) {
StringBuilder buf;
buf << _message << " " << _progressMeter.toString();
builder->append("msg", buf.str());
BSONObjBuilder sub(builder->subobjStart("progress"));
sub.appendNumber("done", (long long)_progressMeter.done());
sub.appendNumber("total", (long long)_progressMeter.total());
sub.done();
} else {
builder->append("msg", _message);
}
}
if (!_failPointMessage.empty()) {
builder->append("failpointMsg", _failPointMessage);
}
if (auto n = _debug.additiveMetrics.prepareReadConflicts.load(); n > 0) {
builder->append("prepareReadConflicts", n);
}
if (auto n = _debug.additiveMetrics.writeConflicts.load(); n > 0) {
builder->append("writeConflicts", n);
}
builder->append("numYields", _numYields.load());
if (_debug.dataThroughputLastSecond) {
builder->append("dataThroughputLastSecond", *_debug.dataThroughputLastSecond);
}
if (_debug.dataThroughputAverage) {
builder->append("dataThroughputAverage", *_debug.dataThroughputAverage);
}
}
namespace {
StringData getProtoString(int op) {
if (op == dbMsg) {
return "op_msg";
} else if (op == dbQuery) {
return "op_query";
}
MONGO_UNREACHABLE;
}
} // namespace
#define OPDEBUG_TOSTRING_HELP(x) \
if (x >= 0) \
s << " " #x ":" << (x)
#define OPDEBUG_TOSTRING_HELP_BOOL(x) \
if (x) \
s << " " #x ":" << (x)
#define OPDEBUG_TOSTRING_HELP_ATOMIC(x, y) \
if (auto __y = y.load(); __y > 0) \
s << " " x ":" << (__y)
#define OPDEBUG_TOSTRING_HELP_OPTIONAL(x, y) \
if (y) \
s << " " x ":" << (*y)
string OpDebug::report(OperationContext* opCtx, const SingleThreadedLockStats* lockStats) const {
Client* client = opCtx->getClient();
auto& curop = *CurOp::get(opCtx);
auto flowControlStats = opCtx->lockState()->getFlowControlStats();
StringBuilder s;
if (iscommand)
s << "command ";
else
s << networkOpToString(networkOp) << ' ';
s << curop.getNS();
if (auto clientMetadata = ClientMetadata::get(client)) {
auto appName = clientMetadata->getApplicationName();
if (!appName.empty()) {
s << " appName: \"" << str::escape(appName) << '\"';
}
}
auto query = appendCommentField(opCtx, curop.opDescription());
if (!query.isEmpty()) {
s << " command: ";
if (iscommand) {
const Command* curCommand = curop.getCommand();
if (curCommand) {
mutablebson::Document cmdToLog(query, mutablebson::Document::kInPlaceDisabled);
curCommand->snipForLogging(&cmdToLog);
s << curCommand->getName() << " ";
s << redact(cmdToLog.getObject());
} else {
// Should not happen but we need to handle curCommand == NULL gracefully.
// We don't know what the request payload is intended to be, so it might be
// sensitive, and we don't know how to redact it properly without a 'Command*'.
// So we just don't log it at all.
s << "unrecognized";
}
} else {
s << redact(query);
}
}
auto originatingCommand = curop.originatingCommand();
if (!originatingCommand.isEmpty()) {
s << " originatingCommand: " << redact(originatingCommand);
}
if (!curop.getPlanSummary().empty()) {
s << " planSummary: " << curop.getPlanSummary().toString();
}
if (prepareConflictDurationMillis > Milliseconds::zero()) {
s << " prepareConflictDuration: " << prepareConflictDurationMillis;
}
if (dataThroughputLastSecond) {
s << " dataThroughputLastSecond: " << *dataThroughputLastSecond << " MB/sec";
}
if (dataThroughputAverage) {
s << " dataThroughputAverage: " << *dataThroughputAverage << " MB/sec";
}
OPDEBUG_TOSTRING_HELP(nShards);
OPDEBUG_TOSTRING_HELP(cursorid);
if (mongotCursorId) {
s << " mongot: " << makeMongotDebugStatsObject().toString();
}
OPDEBUG_TOSTRING_HELP(ntoreturn);
OPDEBUG_TOSTRING_HELP(ntoskip);
OPDEBUG_TOSTRING_HELP_BOOL(exhaust);
OPDEBUG_TOSTRING_HELP_OPTIONAL("keysExamined", additiveMetrics.keysExamined);
OPDEBUG_TOSTRING_HELP_OPTIONAL("docsExamined", additiveMetrics.docsExamined);
OPDEBUG_TOSTRING_HELP_BOOL(hasSortStage);
OPDEBUG_TOSTRING_HELP_BOOL(usedDisk);
OPDEBUG_TOSTRING_HELP_BOOL(fromMultiPlanner);
if (replanReason) {
bool replanned = true;
OPDEBUG_TOSTRING_HELP_BOOL(replanned);
s << " replanReason:\"" << str::escape(redact(*replanReason)) << "\"";
}
OPDEBUG_TOSTRING_HELP_OPTIONAL("nMatched", additiveMetrics.nMatched);
OPDEBUG_TOSTRING_HELP_OPTIONAL("nModified", additiveMetrics.nModified);
OPDEBUG_TOSTRING_HELP_OPTIONAL("ninserted", additiveMetrics.ninserted);
OPDEBUG_TOSTRING_HELP_OPTIONAL("ndeleted", additiveMetrics.ndeleted);
OPDEBUG_TOSTRING_HELP_OPTIONAL("nUpserted", additiveMetrics.nUpserted);
OPDEBUG_TOSTRING_HELP_BOOL(cursorExhausted);
OPDEBUG_TOSTRING_HELP_OPTIONAL("keysInserted", additiveMetrics.keysInserted);
OPDEBUG_TOSTRING_HELP_OPTIONAL("keysDeleted", additiveMetrics.keysDeleted);
OPDEBUG_TOSTRING_HELP_ATOMIC("prepareReadConflicts", additiveMetrics.prepareReadConflicts);
OPDEBUG_TOSTRING_HELP_ATOMIC("writeConflicts", additiveMetrics.writeConflicts);
s << " numYields:" << curop.numYields();
OPDEBUG_TOSTRING_HELP(nreturned);
if (queryHash) {
s << " queryHash:" << zeroPaddedHex(*queryHash);
invariant(planCacheKey);
s << " planCacheKey:" << zeroPaddedHex(*planCacheKey);
}
if (!errInfo.isOK()) {
s << " ok:" << 0;
if (!errInfo.reason().empty()) {
s << " errMsg:\"" << str::escape(redact(errInfo.reason())) << "\"";
}
s << " errName:" << errInfo.code();
s << " errCode:" << static_cast<int>(errInfo.code());
}
if (responseLength > 0) {
s << " reslen:" << responseLength;
}
if (lockStats) {
BSONObjBuilder locks;
lockStats->report(&locks);
s << " locks:" << locks.obj().toString();
}
BSONObj flowControlObj = makeFlowControlObject(flowControlStats);
if (flowControlObj.nFields() > 0) {
s << " flowControl:" << flowControlObj.toString();
}
{
const auto& readConcern = repl::ReadConcernArgs::get(opCtx);
if (readConcern.isSpecified()) {
s << " readConcern:" << readConcern.toBSONInner();
}
}
if (writeConcern && !writeConcern->usedDefault) {
s << " writeConcern:" << writeConcern->toBSON();
}
if (storageStats) {
s << " storage:" << storageStats->toBSON().toString();
}
if (iscommand) {
s << " protocol:" << getProtoString(networkOp);
}
if (remoteOpWaitTime) {
s << " remoteOpWaitMillis:" << durationCount<Milliseconds>(*remoteOpWaitTime);
}
s << " " << durationCount<Milliseconds>(executionTime) << "ms";
return s.str();
}
#define OPDEBUG_TOATTR_HELP(x) \
if (x >= 0) \
pAttrs->add(#x, x)
#define OPDEBUG_TOATTR_HELP_BOOL(x) \
if (x) \
pAttrs->add(#x, x)
#define OPDEBUG_TOATTR_HELP_ATOMIC(x, y) \
if (auto __y = y.load(); __y > 0) \
pAttrs->add(x, __y)
#define OPDEBUG_TOATTR_HELP_OPTIONAL(x, y) \
if (y) \
pAttrs->add(x, *y)
void OpDebug::report(OperationContext* opCtx,
const SingleThreadedLockStats* lockStats,
const ResourceConsumption::OperationMetrics* operationMetrics,
logv2::DynamicAttributes* pAttrs) const {
Client* client = opCtx->getClient();
auto& curop = *CurOp::get(opCtx);
auto flowControlStats = opCtx->lockState()->getFlowControlStats();
if (iscommand) {
pAttrs->add("type", "command");
} else {
pAttrs->add("type", networkOpToString(networkOp));
}
pAttrs->addDeepCopy("ns", curop.getNS());
if (client) {
if (auto clientMetadata = ClientMetadata::get(client)) {
StringData appName = clientMetadata->getApplicationName();
if (!appName.empty()) {
pAttrs->add("appName", appName);
}
}
}
auto query = appendCommentField(opCtx, curop.opDescription());
if (!query.isEmpty()) {
if (iscommand) {
const Command* curCommand = curop.getCommand();
if (curCommand) {
mutablebson::Document cmdToLog(query, mutablebson::Document::kInPlaceDisabled);
curCommand->snipForLogging(&cmdToLog);
pAttrs->add("command", redact(cmdToLog.getObject()));
} else {
// Should not happen but we need to handle curCommand == NULL gracefully.
// We don't know what the request payload is intended to be, so it might be
// sensitive, and we don't know how to redact it properly without a 'Command*'.
// So we just don't log it at all.
pAttrs->add("command", "unrecognized");
}
} else {
pAttrs->add("command", redact(query));
}
}
auto originatingCommand = curop.originatingCommand();
if (!originatingCommand.isEmpty()) {
pAttrs->add("originatingCommand", redact(originatingCommand));
}
if (!curop.getPlanSummary().empty()) {
pAttrs->addDeepCopy("planSummary", curop.getPlanSummary().toString());
}
if (prepareConflictDurationMillis > Milliseconds::zero()) {
pAttrs->add("prepareConflictDuration", prepareConflictDurationMillis);
}
if (dataThroughputLastSecond) {
pAttrs->add("dataThroughputLastSecondMBperSec", *dataThroughputLastSecond);
}
if (dataThroughputAverage) {
pAttrs->add("dataThroughputAverageMBPerSec", *dataThroughputAverage);
}
OPDEBUG_TOATTR_HELP(nShards);
OPDEBUG_TOATTR_HELP(cursorid);
if (mongotCursorId) {
pAttrs->add("mongot", makeMongotDebugStatsObject());
}
OPDEBUG_TOATTR_HELP(ntoreturn);
OPDEBUG_TOATTR_HELP(ntoskip);
OPDEBUG_TOATTR_HELP_BOOL(exhaust);
OPDEBUG_TOATTR_HELP_OPTIONAL("keysExamined", additiveMetrics.keysExamined);
OPDEBUG_TOATTR_HELP_OPTIONAL("docsExamined", additiveMetrics.docsExamined);
OPDEBUG_TOATTR_HELP_BOOL(hasSortStage);
OPDEBUG_TOATTR_HELP_BOOL(usedDisk);
OPDEBUG_TOATTR_HELP_BOOL(fromMultiPlanner);
if (replanReason) {
bool replanned = true;
OPDEBUG_TOATTR_HELP_BOOL(replanned);
pAttrs->add("replanReason", redact(*replanReason));
}
OPDEBUG_TOATTR_HELP_OPTIONAL("nMatched", additiveMetrics.nMatched);
OPDEBUG_TOATTR_HELP_OPTIONAL("nModified", additiveMetrics.nModified);
OPDEBUG_TOATTR_HELP_OPTIONAL("ninserted", additiveMetrics.ninserted);
OPDEBUG_TOATTR_HELP_OPTIONAL("ndeleted", additiveMetrics.ndeleted);
OPDEBUG_TOATTR_HELP_OPTIONAL("nUpserted", additiveMetrics.nUpserted);
OPDEBUG_TOATTR_HELP_BOOL(cursorExhausted);
OPDEBUG_TOATTR_HELP_OPTIONAL("keysInserted", additiveMetrics.keysInserted);
OPDEBUG_TOATTR_HELP_OPTIONAL("keysDeleted", additiveMetrics.keysDeleted);
OPDEBUG_TOATTR_HELP_ATOMIC("prepareReadConflicts", additiveMetrics.prepareReadConflicts);
OPDEBUG_TOATTR_HELP_ATOMIC("writeConflicts", additiveMetrics.writeConflicts);
pAttrs->add("numYields", curop.numYields());
OPDEBUG_TOATTR_HELP(nreturned);
if (queryHash) {
pAttrs->addDeepCopy("queryHash", zeroPaddedHex(*queryHash));
invariant(planCacheKey);
pAttrs->addDeepCopy("planCacheKey", zeroPaddedHex(*planCacheKey));
}
if (!errInfo.isOK()) {
pAttrs->add("ok", 0);
if (!errInfo.reason().empty()) {
pAttrs->add("errMsg", redact(errInfo.reason()));
}
pAttrs->addDeepCopy("errName", errInfo.codeString());
pAttrs->add("errCode", static_cast<int>(errInfo.code()));
}
if (responseLength > 0) {
pAttrs->add("reslen", responseLength);
}
if (lockStats) {
BSONObjBuilder locks;
lockStats->report(&locks);
pAttrs->add("locks", locks.obj());
}
BSONObj flowControlObj = makeFlowControlObject(flowControlStats);
if (flowControlObj.nFields() > 0) {
pAttrs->add("flowControl", flowControlObj);
}
{
const auto& readConcern = repl::ReadConcernArgs::get(opCtx);
if (readConcern.isSpecified()) {
pAttrs->add("readConcern", readConcern.toBSONInner());
}
}
if (writeConcern && !writeConcern->usedDefault) {
pAttrs->add("writeConcern", writeConcern->toBSON());
}
if (storageStats) {
pAttrs->add("storage", storageStats->toBSON());
}
if (operationMetrics) {
BSONObjBuilder builder;
operationMetrics->toBsonNonZeroFields(&builder);
pAttrs->add("operationMetrics", builder.obj());
}
if (client && client->session()) {
pAttrs->add("remote", client->session()->remote());
}
if (iscommand) {
pAttrs->add("protocol", getProtoString(networkOp));
}
if (remoteOpWaitTime) {
pAttrs->add("remoteOpWaitMillis", durationCount<Milliseconds>(*remoteOpWaitTime));
}
pAttrs->add("durationMillis", durationCount<Milliseconds>(executionTime));
}
#define OPDEBUG_APPEND_NUMBER2(b, x, y) \
if (y != -1) \
(b).appendNumber(x, (y))
#define OPDEBUG_APPEND_NUMBER(b, x) OPDEBUG_APPEND_NUMBER2(b, #x, x)
#define OPDEBUG_APPEND_BOOL2(b, x, y) \
if (y) \
(b).appendBool(x, (y))
#define OPDEBUG_APPEND_BOOL(b, x) OPDEBUG_APPEND_BOOL2(b, #x, x)
#define OPDEBUG_APPEND_ATOMIC(b, x, y) \
if (auto __y = y.load(); __y > 0) \
(b).appendNumber(x, __y)
#define OPDEBUG_APPEND_OPTIONAL(b, x, y) \
if (y) \
(b).appendNumber(x, (*y))
void OpDebug::append(OperationContext* opCtx,
const SingleThreadedLockStats& lockStats,
FlowControlTicketholder::CurOp flowControlStats,
BSONObjBuilder& b) const {
auto& curop = *CurOp::get(opCtx);
b.append("op", logicalOpToString(logicalOp));
NamespaceString nss = NamespaceString(curop.getNS());
b.append("ns", nss.ns());
appendAsObjOrString(
"command", appendCommentField(opCtx, curop.opDescription()), appendMaxElementSize, &b);
auto originatingCommand = curop.originatingCommand();
if (!originatingCommand.isEmpty()) {
appendAsObjOrString("originatingCommand", originatingCommand, appendMaxElementSize, &b);
}
OPDEBUG_APPEND_NUMBER(b, nShards);
OPDEBUG_APPEND_NUMBER(b, cursorid);
if (mongotCursorId) {
b.append("mongot", makeMongotDebugStatsObject());
}
OPDEBUG_APPEND_BOOL(b, exhaust);
OPDEBUG_APPEND_OPTIONAL(b, "keysExamined", additiveMetrics.keysExamined);
OPDEBUG_APPEND_OPTIONAL(b, "docsExamined", additiveMetrics.docsExamined);
OPDEBUG_APPEND_BOOL(b, hasSortStage);
OPDEBUG_APPEND_BOOL(b, usedDisk);
OPDEBUG_APPEND_BOOL(b, fromMultiPlanner);
if (replanReason) {
bool replanned = true;
OPDEBUG_APPEND_BOOL(b, replanned);
b.append("replanReason", *replanReason);
}
OPDEBUG_APPEND_OPTIONAL(b, "nMatched", additiveMetrics.nMatched);
OPDEBUG_APPEND_OPTIONAL(b, "nModified", additiveMetrics.nModified);
OPDEBUG_APPEND_OPTIONAL(b, "ninserted", additiveMetrics.ninserted);
OPDEBUG_APPEND_OPTIONAL(b, "ndeleted", additiveMetrics.ndeleted);
OPDEBUG_APPEND_OPTIONAL(b, "nUpserted", additiveMetrics.nUpserted);
OPDEBUG_APPEND_BOOL(b, cursorExhausted);
OPDEBUG_APPEND_OPTIONAL(b, "keysInserted", additiveMetrics.keysInserted);
OPDEBUG_APPEND_OPTIONAL(b, "keysDeleted", additiveMetrics.keysDeleted);
OPDEBUG_APPEND_ATOMIC(b, "prepareReadConflicts", additiveMetrics.prepareReadConflicts);
OPDEBUG_APPEND_ATOMIC(b, "writeConflicts", additiveMetrics.writeConflicts);
OPDEBUG_APPEND_OPTIONAL(b, "dataThroughputLastSecond", dataThroughputLastSecond);
OPDEBUG_APPEND_OPTIONAL(b, "dataThroughputAverage", dataThroughputAverage);
b.appendNumber("numYield", curop.numYields());
OPDEBUG_APPEND_NUMBER(b, nreturned);
if (queryHash) {
b.append("queryHash", zeroPaddedHex(*queryHash));
invariant(planCacheKey);
b.append("planCacheKey", zeroPaddedHex(*planCacheKey));
}
{
BSONObjBuilder locks(b.subobjStart("locks"));
lockStats.report(&locks);
}
{
BSONObj flowControlMetrics = makeFlowControlObject(flowControlStats);
BSONObjBuilder flowControlBuilder(b.subobjStart("flowControl"));
flowControlBuilder.appendElements(flowControlMetrics);
}
{
const auto& readConcern = repl::ReadConcernArgs::get(opCtx);
if (readConcern.isSpecified()) {
readConcern.appendInfo(&b);
}
}
if (writeConcern && !writeConcern->usedDefault) {
b.append("writeConcern", writeConcern->toBSON());
}
if (storageStats) {
b.append("storage", storageStats->toBSON());
}
if (!errInfo.isOK()) {
b.appendNumber("ok", 0.0);
if (!errInfo.reason().empty()) {
b.append("errMsg", errInfo.reason());
}
b.append("errName", ErrorCodes::errorString(errInfo.code()));
b.append("errCode", errInfo.code());
}
OPDEBUG_APPEND_NUMBER(b, responseLength);
if (iscommand) {
b.append("protocol", getProtoString(networkOp));
}
if (remoteOpWaitTime) {
b.append("remoteOpWaitMillis", durationCount<Milliseconds>(*remoteOpWaitTime));
}
b.appendIntOrLL("millis", durationCount<Milliseconds>(executionTime));
if (!curop.getPlanSummary().empty()) {
b.append("planSummary", curop.getPlanSummary());
}
if (!execStats.isEmpty()) {
b.append("execStats", std::move(execStats));
}
}
void OpDebug::appendUserInfo(const CurOp& c,
BSONObjBuilder& builder,
AuthorizationSession* authSession) {
UserNameIterator nameIter = authSession->getAuthenticatedUserNames();
UserName bestUser;
if (nameIter.more())
bestUser = *nameIter;
std::string opdb(nsToDatabase(c.getNS()));
BSONArrayBuilder allUsers(builder.subarrayStart("allUsers"));
for (; nameIter.more(); nameIter.next()) {
BSONObjBuilder nextUser(allUsers.subobjStart());
nextUser.append(AuthorizationManager::USER_NAME_FIELD_NAME, nameIter->getUser());
nextUser.append(AuthorizationManager::USER_DB_FIELD_NAME, nameIter->getDB());
nextUser.doneFast();
if (nameIter->getDB() == opdb) {
bestUser = *nameIter;
}
}
allUsers.doneFast();
builder.append("user", bestUser.getUser().empty() ? "" : bestUser.getFullName());
}
std::function<BSONObj(ProfileFilter::Args)> OpDebug::appendStaged(StringSet requestedFields,
bool needWholeDocument) {
// This function is analogous to OpDebug::append. The main difference is that append() does
// the work of building BSON right away, while appendStaged() stages the work to be done later.
// It returns a std::function that builds BSON when called.
// The other difference is that appendStaged can avoid building BSON for unneeded fields.
// requestedFields is a set of top-level field names; any fields beyond this list may be
// omitted. This also lets us uassert if the caller asks for an unsupported field.
// Each piece of the result is a function that appends to a BSONObjBuilder.
// Before returning, we encapsulate the result in a simpler function that returns a BSONObj.
using Piece = std::function<void(ProfileFilter::Args, BSONObjBuilder&)>;
std::vector<Piece> pieces;
// For convenience, the callback that handles each field gets the fieldName as an extra arg.
using Callback = std::function<void(const char*, ProfileFilter::Args, BSONObjBuilder&)>;
// Helper to check for the presence of a field in the StringSet, and remove it.
// At the end of this method, anything left in the StringSet is a field we don't know
// how to handle.
auto needs = [&](const char* fieldName) {
bool val = needWholeDocument || requestedFields.count(fieldName) > 0;
requestedFields.erase(fieldName);
return val;
};
auto addIfNeeded = [&](const char* fieldName, Callback cb) {
if (needs(fieldName)) {
pieces.push_back([fieldName = fieldName, cb = std::move(cb)](auto args, auto& b) {
cb(fieldName, args, b);
});
}
};
addIfNeeded("ts", [](auto field, auto args, auto& b) { b.append(field, jsTime()); });
addIfNeeded("client", [](auto field, auto args, auto& b) {
b.append(field, args.opCtx->getClient()->clientAddress());
});
addIfNeeded("appName", [](auto field, auto args, auto& b) {
if (auto clientMetadata = ClientMetadata::get(args.opCtx->getClient())) {
auto appName = clientMetadata->getApplicationName();
if (!appName.empty()) {
b.append(field, appName);
}
}
});
bool needsAllUsers = needs("allUsers");
bool needsUser = needs("user");
if (needsAllUsers || needsUser) {
pieces.push_back([](auto args, auto& b) {
AuthorizationSession* authSession = AuthorizationSession::get(args.opCtx->getClient());
appendUserInfo(args.curop, b, authSession);
});
}
addIfNeeded("op", [](auto field, auto args, auto& b) {
b.append(field, logicalOpToString(args.op.logicalOp));
});
addIfNeeded("ns", [](auto field, auto args, auto& b) {
b.append(field, NamespaceString(args.curop.getNS()).ns());
});
addIfNeeded("command", [](auto field, auto args, auto& b) {
appendAsObjOrString(field,
appendCommentField(args.opCtx, args.curop.opDescription()),
appendMaxElementSize,
&b);
});
addIfNeeded("originatingCommand", [](auto field, auto args, auto& b) {
auto originatingCommand = args.curop.originatingCommand();
if (!originatingCommand.isEmpty()) {
appendAsObjOrString(field, originatingCommand, appendMaxElementSize, &b);
}
});
addIfNeeded("nShards", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_NUMBER2(b, field, args.op.nShards);
});
addIfNeeded("cursorid", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_NUMBER2(b, field, args.op.cursorid);
});
addIfNeeded("mongot", [](auto field, auto args, auto& b) {
if (args.op.mongotCursorId) {
b.append(field, args.op.makeMongotDebugStatsObject());
}
});
addIfNeeded("exhaust", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_BOOL2(b, field, args.op.exhaust);
});
addIfNeeded("keysExamined", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.additiveMetrics.keysExamined);
});
addIfNeeded("docsExamined", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.additiveMetrics.docsExamined);
});
addIfNeeded("hasSortStage", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_BOOL2(b, field, args.op.hasSortStage);
});
addIfNeeded("usedDisk", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_BOOL2(b, field, args.op.usedDisk);
});
addIfNeeded("fromMultiPlanner", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_BOOL2(b, field, args.op.fromMultiPlanner);
});
addIfNeeded("replanned", [](auto field, auto args, auto& b) {
if (args.op.replanReason) {
OPDEBUG_APPEND_BOOL2(b, field, true);
}
});
addIfNeeded("replanReason", [](auto field, auto args, auto& b) {
if (args.op.replanReason) {
b.append(field, *args.op.replanReason);
}
});
addIfNeeded("nMatched", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.additiveMetrics.nMatched);
});
addIfNeeded("nModified", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.additiveMetrics.nModified);
});
addIfNeeded("ninserted", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.additiveMetrics.ninserted);
});
addIfNeeded("ndeleted", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.additiveMetrics.ndeleted);
});
addIfNeeded("nUpserted", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.additiveMetrics.nUpserted);
});
addIfNeeded("cursorExhausted", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_BOOL2(b, field, args.op.cursorExhausted);
});
addIfNeeded("keysInserted", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.additiveMetrics.keysInserted);
});
addIfNeeded("keysDeleted", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.additiveMetrics.keysDeleted);
});
addIfNeeded("prepareReadConflicts", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_ATOMIC(b, field, args.op.additiveMetrics.prepareReadConflicts);
});
addIfNeeded("writeConflicts", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_ATOMIC(b, field, args.op.additiveMetrics.writeConflicts);
});
addIfNeeded("dataThroughputLastSecond", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.dataThroughputLastSecond);
});
addIfNeeded("dataThroughputAverage", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_OPTIONAL(b, field, args.op.dataThroughputAverage);
});
addIfNeeded("numYield", [](auto field, auto args, auto& b) {
b.appendNumber(field, args.curop.numYields());
});
addIfNeeded("nreturned", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_NUMBER2(b, field, args.op.nreturned);
});
addIfNeeded("queryHash", [](auto field, auto args, auto& b) {
if (args.op.queryHash) {
b.append(field, zeroPaddedHex(*args.op.queryHash));
}
});
addIfNeeded("planCacheKey", [](auto field, auto args, auto& b) {
if (args.op.planCacheKey) {
b.append(field, zeroPaddedHex(*args.op.planCacheKey));
}
});
addIfNeeded("locks", [](auto field, auto args, auto& b) {
if (auto lockerInfo =
args.opCtx->lockState()->getLockerInfo(args.curop.getLockStatsBase())) {
BSONObjBuilder locks(b.subobjStart(field));
lockerInfo->stats.report(&locks);
}
});
addIfNeeded("flowControl", [](auto field, auto args, auto& b) {
BSONObj flowControlMetrics =
makeFlowControlObject(args.opCtx->lockState()->getFlowControlStats());
BSONObjBuilder flowControlBuilder(b.subobjStart(field));
flowControlBuilder.appendElements(flowControlMetrics);
});
addIfNeeded("writeConcern", [](auto field, auto args, auto& b) {
if (args.op.writeConcern && !args.op.writeConcern->usedDefault) {
b.append(field, args.op.writeConcern->toBSON());
}
});
addIfNeeded("storage", [](auto field, auto args, auto& b) {
if (args.op.storageStats) {
b.append(field, args.op.storageStats->toBSON());
}
});
// Don't short-circuit: call needs() for every supported field, so that at the end we can
// uassert that no unsupported fields were requested.
bool needsOk = needs("ok");
bool needsErrMsg = needs("errMsg");
bool needsErrName = needs("errName");
bool needsErrCode = needs("errCode");
if (needsOk || needsErrMsg || needsErrName || needsErrCode) {
pieces.push_back([](auto args, auto& b) {
if (!args.op.errInfo.isOK()) {
b.appendNumber("ok", 0.0);
if (!args.op.errInfo.reason().empty()) {
b.append("errMsg", args.op.errInfo.reason());
}
b.append("errName", ErrorCodes::errorString(args.op.errInfo.code()));
b.append("errCode", args.op.errInfo.code());
}
});
}
addIfNeeded("responseLength", [](auto field, auto args, auto& b) {
OPDEBUG_APPEND_NUMBER2(b, field, args.op.responseLength);
});
addIfNeeded("protocol", [](auto field, auto args, auto& b) {
if (args.op.iscommand) {
b.append(field, getProtoString(args.op.networkOp));
}
});
addIfNeeded("remoteOpWaitMillis", [](auto field, auto args, auto& b) {
if (args.op.remoteOpWaitTime) {
b.append(field, durationCount<Milliseconds>(*args.op.remoteOpWaitTime));
}
});
// millis and durationMillis are the same thing. This is one of the few inconsistencies between
// the profiler (OpDebug::append) and the log file (OpDebug::report), so for the profile filter
// we support both names.
addIfNeeded("millis", [](auto field, auto args, auto& b) {
b.appendIntOrLL(field, durationCount<Milliseconds>(args.op.executionTime));
});
addIfNeeded("durationMillis", [](auto field, auto args, auto& b) {
b.appendIntOrLL(field, durationCount<Milliseconds>(args.op.executionTime));
});
addIfNeeded("planSummary", [](auto field, auto args, auto& b) {
if (!args.curop.getPlanSummary().empty()) {
b.append(field, args.curop.getPlanSummary());
}
});
addIfNeeded("execStats", [](auto field, auto args, auto& b) {
if (!args.op.execStats.isEmpty()) {
b.append(field, args.op.execStats);
}
});
addIfNeeded("operationMetrics", [](auto field, auto args, auto& b) {
auto& metricsCollector = ResourceConsumption::MetricsCollector::get(args.opCtx);
if (metricsCollector.hasCollectedMetrics()) {
BSONObjBuilder metricsBuilder(b.subobjStart(field));
metricsCollector.getMetrics().toBson(&metricsBuilder);
}
});
if (!requestedFields.empty()) {
std::stringstream ss;
ss << "No such field (or fields) available for profile filter";
auto sep = ": ";
for (auto&& s : requestedFields) {
ss << sep << s;
sep = ", ";
}
uasserted(4910200, ss.str());
}
return [pieces = std::move(pieces)](ProfileFilter::Args args) {
BSONObjBuilder bob;
for (auto piece : pieces) {
piece(args, bob);
}
return bob.obj();
};
}
void OpDebug::setPlanSummaryMetrics(const PlanSummaryStats& planSummaryStats) {
additiveMetrics.keysExamined = planSummaryStats.totalKeysExamined;
additiveMetrics.docsExamined = planSummaryStats.totalDocsExamined;
hasSortStage = planSummaryStats.hasSortStage;
usedDisk = planSummaryStats.usedDisk;
fromMultiPlanner = planSummaryStats.fromMultiPlanner;
replanReason = planSummaryStats.replanReason;
}
BSONObj OpDebug::makeFlowControlObject(FlowControlTicketholder::CurOp stats) {
BSONObjBuilder builder;
if (stats.ticketsAcquired > 0) {
builder.append("acquireCount", stats.ticketsAcquired);
}
if (stats.acquireWaitCount > 0) {
builder.append("acquireWaitCount", stats.acquireWaitCount);
}
if (stats.timeAcquiringMicros > 0) {
builder.append("timeAcquiringMicros", stats.timeAcquiringMicros);
}
return builder.obj();
}
BSONObj OpDebug::makeMongotDebugStatsObject() const {
BSONObjBuilder cursorBuilder;
invariant(mongotCursorId);
cursorBuilder.append("cursorid", mongotCursorId.get());
if (msWaitingForMongot) {
cursorBuilder.append("timeWaitingMillis", msWaitingForMongot.get());
}
return cursorBuilder.obj();
}
namespace {
/**
* Adds two boost::optional long longs together. Returns boost::none if both 'lhs' and 'rhs' are
* uninitialized, or the sum of 'lhs' and 'rhs' if they are both initialized. Returns 'lhs' if only
* 'rhs' is uninitialized and vice-versa.
*/
boost::optional<long long> addOptionalLongs(const boost::optional<long long>& lhs,
const boost::optional<long long>& rhs) {
if (!rhs) {
return lhs;
}
return lhs ? (*lhs + *rhs) : rhs;
}
} // namespace
void OpDebug::AdditiveMetrics::add(const AdditiveMetrics& otherMetrics) {
keysExamined = addOptionalLongs(keysExamined, otherMetrics.keysExamined);
docsExamined = addOptionalLongs(docsExamined, otherMetrics.docsExamined);
nMatched = addOptionalLongs(nMatched, otherMetrics.nMatched);
nModified = addOptionalLongs(nModified, otherMetrics.nModified);
ninserted = addOptionalLongs(ninserted, otherMetrics.ninserted);
ndeleted = addOptionalLongs(ndeleted, otherMetrics.ndeleted);
nUpserted = addOptionalLongs(nUpserted, otherMetrics.nUpserted);
keysInserted = addOptionalLongs(keysInserted, otherMetrics.keysInserted);
keysDeleted = addOptionalLongs(keysDeleted, otherMetrics.keysDeleted);
prepareReadConflicts.fetchAndAdd(otherMetrics.prepareReadConflicts.load());
writeConflicts.fetchAndAdd(otherMetrics.writeConflicts.load());
}
void OpDebug::AdditiveMetrics::reset() {
keysExamined = boost::none;
docsExamined = boost::none;
nMatched = boost::none;
nModified = boost::none;
ninserted = boost::none;
ndeleted = boost::none;
nUpserted = boost::none;
keysInserted = boost::none;
keysDeleted = boost::none;
prepareReadConflicts.store(0);
writeConflicts.store(0);
}
bool OpDebug::AdditiveMetrics::equals(const AdditiveMetrics& otherMetrics) const {
return keysExamined == otherMetrics.keysExamined && docsExamined == otherMetrics.docsExamined &&
nMatched == otherMetrics.nMatched && nModified == otherMetrics.nModified &&
ninserted == otherMetrics.ninserted && ndeleted == otherMetrics.ndeleted &&
nUpserted == otherMetrics.nUpserted && keysInserted == otherMetrics.keysInserted &&
keysDeleted == otherMetrics.keysDeleted &&
prepareReadConflicts.load() == otherMetrics.prepareReadConflicts.load() &&
writeConflicts.load() == otherMetrics.writeConflicts.load();
}
void OpDebug::AdditiveMetrics::incrementWriteConflicts(long long n) {
writeConflicts.fetchAndAdd(n);
}
void OpDebug::AdditiveMetrics::incrementKeysInserted(long long n) {
if (!keysInserted) {
keysInserted = 0;
}
*keysInserted += n;
}
void OpDebug::AdditiveMetrics::incrementKeysDeleted(long long n) {
if (!keysDeleted) {
keysDeleted = 0;
}
*keysDeleted += n;
}
void OpDebug::AdditiveMetrics::incrementNinserted(long long n) {
if (!ninserted) {
ninserted = 0;
}
*ninserted += n;
}
void OpDebug::AdditiveMetrics::incrementNUpserted(long long n) {
if (!nUpserted) {
nUpserted = 0;
}
*nUpserted += n;
}
void OpDebug::AdditiveMetrics::incrementPrepareReadConflicts(long long n) {
prepareReadConflicts.fetchAndAdd(n);
}
string OpDebug::AdditiveMetrics::report() const {
StringBuilder s;
OPDEBUG_TOSTRING_HELP_OPTIONAL("keysExamined", keysExamined);
OPDEBUG_TOSTRING_HELP_OPTIONAL("docsExamined", docsExamined);
OPDEBUG_TOSTRING_HELP_OPTIONAL("nMatched", nMatched);
OPDEBUG_TOSTRING_HELP_OPTIONAL("nModified", nModified);
OPDEBUG_TOSTRING_HELP_OPTIONAL("ninserted", ninserted);
OPDEBUG_TOSTRING_HELP_OPTIONAL("ndeleted", ndeleted);
OPDEBUG_TOSTRING_HELP_OPTIONAL("nUpserted", nUpserted);
OPDEBUG_TOSTRING_HELP_OPTIONAL("keysInserted", keysInserted);
OPDEBUG_TOSTRING_HELP_OPTIONAL("keysDeleted", keysDeleted);
OPDEBUG_TOSTRING_HELP_ATOMIC("prepareReadConflicts", prepareReadConflicts);
OPDEBUG_TOSTRING_HELP_ATOMIC("writeConflicts", writeConflicts);
return s.str();
}
void OpDebug::AdditiveMetrics::report(logv2::DynamicAttributes* pAttrs) const {
OPDEBUG_TOATTR_HELP_OPTIONAL("keysExamined", keysExamined);
OPDEBUG_TOATTR_HELP_OPTIONAL("docsExamined", docsExamined);
OPDEBUG_TOATTR_HELP_OPTIONAL("nMatched", nMatched);
OPDEBUG_TOATTR_HELP_OPTIONAL("nModified", nModified);
OPDEBUG_TOATTR_HELP_OPTIONAL("ninserted", ninserted);
OPDEBUG_TOATTR_HELP_OPTIONAL("ndeleted", ndeleted);
OPDEBUG_TOATTR_HELP_OPTIONAL("nUpserted", nUpserted);
OPDEBUG_TOATTR_HELP_OPTIONAL("keysInserted", keysInserted);
OPDEBUG_TOATTR_HELP_OPTIONAL("keysDeleted", keysDeleted);
OPDEBUG_TOATTR_HELP_ATOMIC("prepareReadConflicts", prepareReadConflicts);
OPDEBUG_TOATTR_HELP_ATOMIC("writeConflicts", writeConflicts);
}
BSONObj OpDebug::AdditiveMetrics::reportBSON() const {
BSONObjBuilder b;
OPDEBUG_APPEND_OPTIONAL(b, "keysExamined", keysExamined);
OPDEBUG_APPEND_OPTIONAL(b, "docsExamined", docsExamined);
OPDEBUG_APPEND_OPTIONAL(b, "nMatched", nMatched);
OPDEBUG_APPEND_OPTIONAL(b, "nModified", nModified);
OPDEBUG_APPEND_OPTIONAL(b, "ninserted", ninserted);
OPDEBUG_APPEND_OPTIONAL(b, "ndeleted", ndeleted);
OPDEBUG_APPEND_OPTIONAL(b, "nUpserted", nUpserted);
OPDEBUG_APPEND_OPTIONAL(b, "keysInserted", keysInserted);
OPDEBUG_APPEND_OPTIONAL(b, "keysDeleted", keysDeleted);
OPDEBUG_APPEND_ATOMIC(b, "prepareReadConflicts", prepareReadConflicts);
OPDEBUG_APPEND_ATOMIC(b, "writeConflicts", writeConflicts);
return b.obj();
}
} // namespace mongo
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