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// Test what happens when the profiler (introspect.cpp) wants to log an operation, but the
// 'system.profiler' collection does not yet exist and is not safe to create, because the operation
// context is an interrupted state (SERVER-38481).
//
// This test restarts the server and requires that data persists across restarts.
// @tags: [requires_persistence, requires_profiling]
(function() {
"use strict";
load("jstests/libs/check_log.js"); // For checkLog.
//
// Start mongo with profiling disabled, create an empty database, and populate it with a
// collection that has one document.
//
let standalone = MongoRunner.runMongod({profile: "0"});
let db = standalone.getDB("profile_interrupted_op");
assert.commandWorked(db.dropDatabase());
let coll = db.getCollection("test");
assert.commandWorked(coll.insert({a: 1}));
//
// Stop the mongod and then restart it, this time with profiling enabled. Note that enabling
// profiling on a running database would create the 'system.profile' collection, which we don't
// yet want created for this test.
//
MongoRunner.stopMongod(standalone);
standalone = MongoRunner.runMongod(
{restart: true, cleanData: false, dbpath: standalone.dbpath, profile: "2"});
//
// Execute a query that will get interrupted for exceeding its 'maxTimeMS' value. The profiler
// will attempt to create the 'system.profile' collection while the operation context is already
// marked as interrupted.
//
db = standalone.getDB("profile_interrupted_op");
coll = db.getCollection("test");
const err = assert.throws(function() {
coll.find({
$where: function() {
sleep(3600);
return true;
}
})
.maxTimeMS(1000)
.count();
});
assert.contains(
err.code, [ErrorCodes.MaxTimeMSExpired, ErrorCodes.Interrupted, ErrorCodes.InternalError], err);
//
// Profiling is not necessary for the rest of the test. We turn it off to make sure it doesn't
// interfere with any remaining commands.
//
db.setProfilingLevel(0);
//
// The mongod should print out a warning to indicate the potential need for a manually created
// 'system.profile' collection.
//
checkLog.contains(standalone, "Manually create profile collection");
//
// The mongod should not create the 'system.profile' collection automatically.
//
const res = db.runCommand({listCollections: 1, filter: {name: "system.profile"}});
assert.commandWorked(res);
assert.eq(res.cursor.firstBatch, [], res);
MongoRunner.stopMongod(standalone);
})();
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