lmdb.h Caveats: Reserved vs. actual mem/disk usage

mdb.RE/0.9
Hallvard Furuseth 9 years ago
parent 13ecac78cd
commit c2f6f04dba
  1. 5
      libraries/liblmdb/lmdb.h

@ -77,6 +77,11 @@
* access to locks and lock file. Exceptions: On read-only filesystems
* or with the #MDB_NOLOCK flag described under #mdb_env_open().
*
* - An LMDB configuration will often reserve considerable \b unused
* memory address space and maybe file size for future growth.
* This does not use actual memory or disk space, but users may need
* to understand the difference so they won't be scared off.
*
* - By default, in versions before 0.9.10, unused portions of the data
* file might receive garbage data from memory freed by other code.
* (This does not happen when using the #MDB_WRITEMAP flag.) As of

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