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| author | Henrik Edin <henrik.edin@mongodb.com> | 2020-11-03 12:42:38 -0500 |
|---|---|---|
| committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2020-11-13 20:15:34 +0000 |
| commit | 8f9823f644d0b6beba8a301866141a578d278534 (patch) | |
| tree | 1ef4bc439da93a2b39cff7c96a975668c27e7070 /src/mongo/db/db_raii.h | |
| parent | b670258ac185ecea0492c742f2f50da9d8ab618f (diff) | |
| download | mongo-8f9823f644d0b6beba8a301866141a578d278534.tar.gz | |
SERVER-52556 Versioned CollectionCatalog. Writes are performed using copy-on-write.
Internal mutexes when reading CollectionCatalog are removed, just one mutex for writes are needed.
Lock-free reads helper AutoGetCollectionForReadLockFree stashes a CollectionCatalog consistent with snapshot on OperationContext
Diffstat (limited to 'src/mongo/db/db_raii.h')
| -rw-r--r-- | src/mongo/db/db_raii.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mongo/db/db_raii.h b/src/mongo/db/db_raii.h index b62a010832f..d8d7a0a3390 100644 --- a/src/mongo/db/db_raii.h +++ b/src/mongo/db/db_raii.h @@ -198,6 +198,7 @@ public: private: boost::optional<AutoGetCollectionForReadBase<AutoGetCollectionLockFree>> _autoGetCollectionForReadBase; + CollectionCatalogStasher _catalogStash; }; /** |