private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
private static final Cache<String, OnDemandRaftState> ONDEMAND_RAFT_STATE_CACHE =
CacheBuilder.newBuilder().expireAfterWrite(2, TimeUnit.SECONDS).build();
private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
private static final Cache<String, OnDemandRaftState> ONDEMAND_RAFT_STATE_CACHE =
CacheBuilder.newBuilder().expireAfterWrite(2, TimeUnit.SECONDS).build();