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/*-
* Public Domain 2014-2017 MongoDB, Inc.
* Public Domain 2008-2014 WiredTiger, Inc.
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "test_util.h"
/*
* JIRA ticket reference: WT-1965
* Test case description: The reported issue was that column store tables
* exhibit high CPU usage when populated with sparse record IDs.
* Failure mode: It isn't simple to make this test case failure explicit since
* it is demonstrating an inefficiency rather than a correctness bug.
*/
/* If changing field count also need to change set_value and get_value calls */
#define NR_FIELDS 8
#define NR_OBJECTS 100
#define NR_THREADS 4
static uint64_t g_ts = 0;
/*
* Each thread inserts a set of keys into the record store database. The keys
* are generated in such a way that there are large gaps in the key range.
*/
static void *
thread_func(void *arg)
{
TEST_OPTS *opts;
WT_CURSOR *cursor, *idx_cursor;
WT_SESSION *session;
uint64_t i, ins_rotor, ins_thr_idx, thr_idx, ts;
uint64_t *obj_data;
opts = (TEST_OPTS *)arg;
thr_idx = __wt_atomic_fetch_addv64(&opts->next_threadid, 1);
ts = g_ts;
obj_data = dcalloc(
(NR_OBJECTS/NR_THREADS + 1) * NR_FIELDS, sizeof(*obj_data));
testutil_check(opts->conn->open_session(
opts->conn, NULL, NULL, &session));
testutil_check(session->open_cursor(
session, opts->uri, NULL, NULL, &cursor));
testutil_check(session->open_cursor(
session, "table:index", NULL, NULL, &idx_cursor));
for (ins_rotor = 1; ins_rotor < 10; ++ins_rotor) {
for (ins_thr_idx = thr_idx, i = 0; ins_thr_idx < NR_OBJECTS;
ins_thr_idx += NR_THREADS, i += NR_FIELDS) {
testutil_check(
session->begin_transaction(session, "sync=false"));
cursor->set_key(cursor, ins_thr_idx << 40 | ins_rotor);
cursor->set_value(cursor, ts,
obj_data[i+0], obj_data[i+1], obj_data[i+2],
obj_data[i+3], obj_data[i+4], obj_data[i+5],
obj_data[i+6], obj_data[i+7]);
testutil_check(cursor->insert(cursor));
idx_cursor->set_key(
idx_cursor, ins_thr_idx << 40 | ts);
idx_cursor->set_value(idx_cursor, ins_rotor);
testutil_check(idx_cursor->insert(idx_cursor));
testutil_check(
session->commit_transaction(session, NULL));
/* change object fields */
++obj_data[i + ((ins_thr_idx + ins_rotor) % NR_FIELDS)];
++obj_data[i +
((ins_thr_idx + ins_rotor + 1) % NR_FIELDS)];
++g_ts;
/* 5K updates/sec */
(void)usleep(1000000ULL * NR_THREADS / 5000);
}
}
testutil_check(session->close(session, NULL));
free(obj_data);
return (NULL);
}
int
main(int argc, char *argv[])
{
TEST_OPTS *opts, _opts;
WT_CURSOR *cursor;
WT_SESSION *session;
pthread_t thr[NR_THREADS];
size_t t;
uint64_t f[NR_FIELDS], r, ts;
int i, ret;
char table_format[256];
opts = &_opts;
memset(opts, 0, sizeof(*opts));
testutil_check(testutil_parse_opts(argc, argv, opts));
testutil_make_work_dir(opts->home);
testutil_check(wiredtiger_open(opts->home, NULL,
"create,cache_size=1G,checkpoint=(wait=30),"
"eviction_trigger=80,eviction_target=64,eviction_dirty_target=65,"
"log=(enabled,file_max=10M),"
"transaction_sync=(enabled=true,method=none)", &opts->conn));
testutil_check(opts->conn->open_session(
opts->conn, NULL, NULL, &session));
testutil_check(__wt_snprintf(
table_format, sizeof(table_format), "key_format=r,value_format="));
for (i = 0; i < NR_FIELDS; i++)
strcat(table_format, "Q");
/* recno -> timestamp + NR_FIELDS * Q */
testutil_check(session->create(
session, opts->uri, table_format));
/* timestamp -> recno */
testutil_check(session->create(session,
"table:index", "key_format=Q,value_format=Q"));
testutil_check(session->close(session, NULL));
for (t = 0; t < NR_THREADS; ++t)
testutil_check(pthread_create(
&thr[t], NULL, thread_func, (void *)opts));
for (t = 0; t < NR_THREADS; ++t)
(void)pthread_join(thr[t], NULL);
testutil_check(opts->conn->open_session(
opts->conn, NULL, NULL, &session));
/* recno -> timestamp + NR_FIELDS * Q */
testutil_check(session->create(session, opts->uri, table_format));
testutil_check(session->open_cursor(
session, opts->uri, NULL, NULL, &cursor));
while ((ret = cursor->next(cursor)) == 0) {
testutil_check(cursor->get_key(cursor, &r));
testutil_check(cursor->get_value(cursor, &ts,
&f[0], &f[1], &f[2], &f[3], &f[4], &f[5], &f[6], &f[7]));
if (!opts->verbose)
continue;
printf("(%" PRIu64 ",%llu)\t\t%" PRIu64,
(r >> 40), r & ((1ULL << 40) - 1), ts);
for (i = 0; i < NR_FIELDS; i++)
printf("\t%" PRIu64, f[i]);
printf("\n");
}
testutil_assert(ret == WT_NOTFOUND);
testutil_cleanup(opts);
return (EXIT_SUCCESS);
}
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