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ITS#8021 doc: Don't mix MDB_WRITEMAP + non-WRITEMAP

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Hallvard Furuseth 2015-01-12 12:19:51 +01:00
parent bf3961e3c7
commit 0599dee9d4
1 changed files with 2 additions and 2 deletions
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libraries/liblmdb/lmdb.h
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@ -516,8 +516,8 @@ int mdb_env_create(MDB_env **env);
* and uses fewer mallocs, but loses protection from application bugs * and uses fewer mallocs, but loses protection from application bugs
* like wild pointer writes and other bad updates into the database. * like wild pointer writes and other bad updates into the database.
* Incompatible with nested transactions. * Incompatible with nested transactions.
* Processes with and without MDB_WRITEMAP on the same environment do * Do not mix processes with and without MDB_WRITEMAP on the same
* not cooperate well. * environment. This can defeat durability (#mdb_env_sync etc).
* <li>#MDB_NOMETASYNC * <li>#MDB_NOMETASYNC
* Flush system buffers to disk only once per transaction, omit the * Flush system buffers to disk only once per transaction, omit the
* metadata flush. Defer that until the system flushes files to disk, * metadata flush. Defer that until the system flushes files to disk,