diff options
| author | Luke Chen <luke.chen@mongodb.com> | 2019-06-14 13:56:58 +1000 |
|---|---|---|
| committer | Luke Chen <luke.chen@mongodb.com> | 2019-06-14 13:56:58 +1000 |
| commit | 518f382a78f904b2e7adf8ac36acc3a34a82fb4f (patch) | |
| tree | 9b40350606570fdcea425ade967855ebb8d707de /src/third_party/wiredtiger/src/include/meta.h | |
| parent | fab9fde6ba3e08b710b07a42c82b635b1b31c989 (diff) | |
| download | mongo-518f382a78f904b2e7adf8ac36acc3a34a82fb4f.tar.gz | |
Import wiredtiger: 40e3225e55ffbf0c9819af138fa4a014c0639c72 from branch mongodb-4.2
ref: 9b85ad8968..40e3225e55
for: 4.3.1
WT-4477 Add eviction debug mode and extra checks
WT-4494 Support import of of standalone WiredTiger files
WT-4580 Abort transactions that perform updates with ignore_prepare=true
WT-4719 Non-zero update count detected when committing prepared transaction
WT-4787 Coverity: Potential infinite loops
WT-4790 Coverity: Memory leak within __wt_curbulk_init
WT-4827 Apply commit timestamps when a truncated page is read
WT-4829 File names are generated incorrectly in operation tracking scripts
WT-4837 Disabled cache during verify
WT-4839 Add a feature to python testsuite to run a random subset of tests
WT-4844 Only log an informational message when a set read-timestamp is older than the oldest timestamp
WT-4848 Fix perf regression when calculating differences
WT-4850 Fix __slvg_checkpoint() metadata memory leak
WT-4851 heap-use-after-free when block manager grows buffer during final checkpoint
WT-4852 Evergreen runs of test/format require shared library extensions
WT-4853 Standalone recovery code cannot handle deleted checkpoints
WT-4854 wt utility list command has a memory leak and minor error handling bugs
WT-4855 WiredTiger recovery should detect files without unique IDs
WT-4859 Fix test/format program path issue for endian tests
Diffstat (limited to 'src/third_party/wiredtiger/src/include/meta.h')
| -rw-r--r-- | src/third_party/wiredtiger/src/include/meta.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/src/third_party/wiredtiger/src/include/meta.h b/src/third_party/wiredtiger/src/include/meta.h index 0b08b318c3d..ac9e0be3c20 100644 --- a/src/third_party/wiredtiger/src/include/meta.h +++ b/src/third_party/wiredtiger/src/include/meta.h @@ -66,9 +66,19 @@ struct __wt_ckpt { char *name; /* Name or NULL */ - WT_ITEM addr; /* Checkpoint cookie string */ - WT_ITEM raw; /* Checkpoint cookie raw */ - + /* + * Each internal checkpoint name is appended with a generation + * to make it a unique name. We're solving two problems: when + * two checkpoints are taken quickly, the timer may not be + * unique and/or we can even see time travel on the second + * checkpoint if we snapshot the time in-between nanoseconds + * rolling over. Second, if we reset the generational counter + * when new checkpoints arrive, we could logically re-create + * specific checkpoints, racing with cursors open on those + * checkpoints. I can't think of any way to return incorrect + * results by racing with those cursors, but it's simpler not + * to worry about it. + */ int64_t order; /* Checkpoint order */ uint64_t sec; /* Wall clock time */ @@ -77,6 +87,9 @@ struct __wt_ckpt { uint64_t write_gen; /* Write generation */ + char *block_metadata; /* Block-stored metadata */ + char *block_checkpoint; /* Block-stored checkpoint */ + /* Validity window */ wt_timestamp_t newest_durable_ts; wt_timestamp_t oldest_start_ts; @@ -84,6 +97,9 @@ struct __wt_ckpt { wt_timestamp_t newest_stop_ts; uint64_t newest_stop_txn; + WT_ITEM addr; /* Checkpoint cookie string */ + WT_ITEM raw; /* Checkpoint cookie raw */ + void *bpriv; /* Block manager private */ /* AUTOMATIC FLAG VALUE GENERATION START */ |