daemon: use writemap to work around latency when busy

diff --git a/daemon/engine.c b/daemon/engine.c
index a874a918318266fac8664431550497085f3f54c9..af457bcebb39eaca78e5ecc52d790ed21265ba09 100644 (file)
--- a/daemon/engine.c
+++ b/daemon/engine.c
@@ -317,6 +317,7 @@ void *namedb_lmdb_mkopts(const char *conf, size_t maxsize)
                memset(opts, 0, sizeof(*opts));
                opts->path = (conf && strlen(conf)) ? conf : ".";
                opts->mapsize = maxsize;
+               opts->flags.env = 0x80000 | 0x40000; /* MDB_WRITEMAP | MDB_NOMETASYNC */
        }
        return opts;
 }