ISAR/libmdbx
3
0
Fork 0
mirror of https://github.com/isar/libmdbx.git synced 2025-01-10 03:44:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

mdbx: fix wrong freeDB search.

Browse Source 
Avoid search freeDB while tree is updating.
Bug was inherited from LMDB.
https://github.com/leo-yuriev/libmdbx/issues/31
This commit is contained in:
Leo Yuriev 2018-05-04 17:22:59 +03:00
parent 2bccc85ff8
commit 0c4b39bd11
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
mdb.c
View File

@ -2140,6 +2140,10 @@ mdb_page_alloc(MDB_cursor *mc, int num, MDB_page **mp, int flags)
/* If mc is updating the freeDB, then the freelist cannot play
* catch-up with itself by growing while trying to save it. */
flags &= ~(MDBX_ALLOC_GC | MDBX_ALLOC_KICK | MDBX_COALESCE | MDBX_LIFORECLAIM);
} else if (unlikely(txn->mt_dbs[FREE_DBI].md_entries == 0)) {
/* avoid (recursive) search inside empty tree and while tree is updating,
* https://github.com/leo-yuriev/libmdbx/issues/31 */
flags &= ~MDBX_ALLOC_GC;
}
}