From d27bb860ea5d3edb59b78413325102104a24ce1e Mon Sep 17 00:00:00 2001 From: ubq323 Date: Fri, 24 Mar 2023 22:04:17 +0000 Subject: add mapsize option --- lmdb.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'lmdb.c') diff --git a/lmdb.c b/lmdb.c index a1c4e8e..6a6e7ba 100644 --- a/lmdb.c +++ b/lmdb.c @@ -70,6 +70,8 @@ static int env_open(lua_State *L) { int flags = 0; int maxdbs = 0; int maxdbs_supplied = 0; + int mapsize = 0; + int mapsize_supplied = 0; if (!lua_isnil(L, 2)) { for (int i = 0; env_flags[i].name != NULL; i++) { lua_getfield(L, 2, env_flags[i].name); @@ -78,11 +80,20 @@ static int env_open(lua_State *L) { } lua_getfield(L, 2, "maxdbs"); maxdbs = lua_tointegerx(L, -1, &maxdbs_supplied); + lua_getfield(L, 2, "mapsize"); + mapsize = lua_tointegerx(L, -1, &mapsize_supplied); } MDB_env *env; reterr(mdb_env_create(&env)); if (maxdbs_supplied) mdb_env_set_maxdbs(env, maxdbs); + if (mapsize_supplied) + mdb_env_set_mapsize(env, mapsize); + else + // lmdb default mapsize is 1MiB which is tiny + // so we use a default of 1GiB instead + mdb_env_set_mapsize(env, 1073741824); + int result = mdb_env_open(env, lua_tostring(L, 1), flags, 0664); if (result != 0) { mdb_env_close(env); -- cgit v1.2.3