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| author | Luke Chen <luke.chen@mongodb.com> | 2018-04-10 18:25:30 +1000 |
|---|---|---|
| committer | Luke Chen <luke.chen@mongodb.com> | 2018-04-10 18:25:30 +1000 |
| commit | 5ae38f156cb08fd5a66eb9e9327953e99442fc9c (patch) | |
| tree | bdda4141d8e63aeab38fc8b615d521a8772546e8 /src/third_party/wiredtiger/src/conn | |
| parent | 9be2c132cb4713e13bbaa5648077e5346a29c99b (diff) | |
| download | mongo-5ae38f156cb08fd5a66eb9e9327953e99442fc9c.tar.gz | |
Import wiredtiger: 5bfcc924079afdcd6dda22c29b5fa60a14ec3dc9 from branch mongodb-3.8
ref: ea986ede14..5bfcc92407
for: 3.7.4
WT-3886 Identify statistics relevant for prepared transactions
WT-3910 Fix libwiredtiger-3.0.1.dylib loading failure on OS X
WT-4006 Add support for stress timing configurations to test/format
WT-4009 Create fast path for cursor caching with "overwrite=false"
WT-4014 If eviction walk is interrupted, clean up the queue.
WT-4015 Enhance schema06 unit test to test drops
WT-4017 When evicting during a checkpoint, avoid splits
WT-4028 Don't check for a modified page without holding the ref locked
Diffstat (limited to 'src/third_party/wiredtiger/src/conn')
| -rw-r--r-- | src/third_party/wiredtiger/src/conn/conn_api.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/src/third_party/wiredtiger/src/conn/conn_api.c b/src/third_party/wiredtiger/src/conn/conn_api.c index 6f23508ba14..c67ec597f66 100644 --- a/src/third_party/wiredtiger/src/conn/conn_api.c +++ b/src/third_party/wiredtiger/src/conn/conn_api.c @@ -1987,16 +1987,29 @@ err: __wt_scr_free(session, &buf); /* * __wt_timing_stress_config -- - * Set timing stress for test delay configuration. + * Set timing stress configuration. There are a places we optionally make + * threads sleep in order to stress the system and increase the likelihood of + * failure. For example, there are several places where page splits are delayed + * to make cursor iteration races more likely. */ int __wt_timing_stress_config(WT_SESSION_IMPL *session, const char *cfg[]) { + /* + * Each split race delay is controlled using a different flag to allow + * more effective race condition detection, since enabling all delays + * at once can lead to an overall slowdown to the point where race + * conditions aren't encountered. + */ static const WT_NAME_FLAG stress_types[] = { { "checkpoint_slow", WT_TIMING_STRESS_CHECKPOINT_SLOW }, - { "internal_page_split_race", - WT_TIMING_STRESS_INTERNAL_PAGE_SPLIT_RACE }, - { "page_split_race", WT_TIMING_STRESS_PAGE_SPLIT_RACE }, + { "split_race_1", WT_TIMING_STRESS_SPLIT_RACE_1 }, + { "split_race_2", WT_TIMING_STRESS_SPLIT_RACE_2 }, + { "split_race_3", WT_TIMING_STRESS_SPLIT_RACE_3 }, + { "split_race_4", WT_TIMING_STRESS_SPLIT_RACE_4 }, + { "split_race_5", WT_TIMING_STRESS_SPLIT_RACE_5 }, + { "split_race_6", WT_TIMING_STRESS_SPLIT_RACE_6 }, + { "split_race_7", WT_TIMING_STRESS_SPLIT_RACE_7 }, { NULL, 0 } }; WT_CONFIG_ITEM cval, sval; @@ -2007,8 +2020,7 @@ __wt_timing_stress_config(WT_SESSION_IMPL *session, const char *cfg[]) conn = S2C(session); - WT_RET(__wt_config_gets( - session, cfg, "timing_stress_for_test", &cval)); + WT_RET(__wt_config_gets(session, cfg, "timing_stress_for_test", &cval)); flags = 0; for (ft = stress_types; ft->name != NULL; ft++) { |