tarantool を使用してください。この奇妙なメッセージをログに記録する理由:
2016-03-24 16:19:58.987 [5803] main/493623/http/XXX.XXX.XXX.XXX:57295 txn.cc:214 W> too long WAL write: 0.527 sec
2016-03-24 16:20:09.841 [5803] main/493714/http/XXX.XXX.XXX.XXX:57346 txn.cc:214 W> too long WAL write: 0.605 sec
2016-03-24 16:20:12.988 [5803] main/493716/http/XXX.XXX.XXX.XXX:57347 txn.cc:214 W> too long WAL write: 1.682 sec
2016-03-24 16:20:15.023 [5803] main/493717/http/XXX.XXX.XXX.XXX:37825 txn.cc:214 W> too long WAL write: 3.373 sec
2016-03-24 16:20:35.145 [5803] main/494145/http/