Can you include the output of "stats" from your memcached instances?
Also that client is deprecated I think... you may have better luck with one of the newer ones as listed on memcached.org/wiki On Sun, 15 Jul 2012, shubham srivastava wrote: > Any update on the same. > Regards, > Shubham > > On Saturday, 14 July 2012 21:18:46 UTC+5:30, shubham srivastava wrote: > > All, > > > We are getting the below exceptions on all our systems where Memcache > is getting used. This is ultimately causing the the whole system becoming > unresponsive . > > > > 2012-07-14 11:00:55,841 ERROR [MaintThread] > com.danga.MemCached.SockIOPool:1435 - ++++ failed to close SockIO obj from > deadPool > > 2012-07-14 11:00:55,841 ERROR [MaintThread] > com.danga.MemCached.SockIOPool:1436 - ++++ socket or its streams already null > in trueClose call > > java.io.IOException: ++++ socket or its streams already null in > trueClose call > > at > com.danga.MemCached.SockIOPool$SockIO.trueClose(SockIOPool.java:1704) > ~[MemCached-2.0.1.jar:na] > > at > com.danga.MemCached.SockIOPool.selfMaint(SockIOPool.java:1432) > ~[MemCached-2.0.1.jar:na] > > at > com.danga.MemCached.SockIOPool$MaintThread.run(SockIOPool.java:1497) > [MemCached-2.0.1.jar:na] > > > > We are using Memcache version : 1.4.5. We are using danga client > version 2.0.1 . Below are the connection properties of Memcache > > > mmt.cache.initialConnections=100 > > mmt.cache.minSpareConnections=100 > > mmt.cache.maxSpareConnections=1000 > > mmt.cache.maxIdleTime=100000 > > mmt.cache.maxBusyTime=300000 > > mmt.cache.maintThreadSleep=5000 > > mmt.cache.socketTimeOut=15000 > > mmt.cache.socketConnectTO=3000 > > mmt.cache.failover=false > > mmt.cache.nagleAlg=false > > mmt.cache.aliveCheck=false > > mmt.cache.enableCompression=false > > > > This is causing real issues as the System on Memcache is the base of an > Production site. We have looked into memcache stats and nothing looks > unreasonable inclusive of "listen_disabled_num" which was 0. Memcache server > Instance has 64Cores and 12Gb RAM . We > are using hashing as NEW_COMPAT_HASH and have 3 servers of memcache on which > data is distributed. > > > Any help around the same would be highly appreciated. > > > Regards, > > Shubham > > > Please let us know what t look in. > > >
