Full_Name: David Wilson Version: LMDB 0.9.9 OS: URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (178.238.153.20) Unless I'm missing something, this new flag cannot be set during mdb_env_open(), and since it is not in CHANGEABLE either, cannot be set with mdb_env_set_flags() commit dd0df21ce0a935955966aa7d3077d666741d027f Author: David Wilson <dw(a)botanicus.net&gt; Date: Mon Oct 28 01:28:00 2013 +0000 Add MDB_NORDAHEAD to CHANGELESS. diff --git a/lib/mdb.c b/lib/mdb.c index 33be876..3ec7302 100644 --- a/lib/mdb.c +++ b/lib/mdb.c @@ -3929,7 +3929,7 @@ fail: * environment and re-opening it with the new flags. */ #define CHANGEABLE (MDB_NOSYNC|MDB_NOMETASYNC|MDB_MAPASYNC) -#define CHANGELESS (MDB_FIXEDMAP|MDB_NOSUBDIR|MDB_RDONLY|MDB_WRITEMAP|MDB_NOTLS|MDB_NOLOCK) +#define CHANGELESS (MDB_FIXEDMAP|MDB_NOSUBDIR|MDB_RDONLY|MDB_WRITEMAP|MDB_NOTLS|MDB_NOLOCK|MDB_NORDAHEAD) int mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mdb_mode_t mode)