reduce max idle ttl to 10 seconds
reduce max idle ttl to 10 seconds

SteamShon/incubator-s2graph,SteamShon/incubator-s2graph,daewon/incubator-s2graph,jongwook/incubator-s2graph,daewon/incubator-s2graph,jongwook/incubator-s2graph,SteamShon/incubator-s2graph