We had an issue similar to this for a while. Every Sunday between
1am and 6am we'd experience ZK timeouts.Turned out it was the
weekly RAID check across all our boxes that caused ZK to timeout.
-- Lars
From: Ron van der Vegt <[email protected]>
To: [email protected] Sent: Tuesday, October 28, 2014 5:14 AM
Subject: Hbase unstable, master and regionservers crashes every
night at ~ 00:07 UTC
My setup is the following:
server1:
- master
- zookeeper
server2:
- zookeeper
server3:
- zookeeper
server 4 t/m 8
- regionserver
HBase: hbase-0.98.7-hadoop1
Zookeeper: zookeeper-3.4.6
hadoop: 1.2.1
Every night at aprox 00:07 UTC the master and all the
regionservers will shutdown.
When I monitor server1 with munin, I don't see any extra load
(io,memory,cpu) at that time.
gc.log showed me that the garbage collection is also fast. See
below the compromised logs. I'm little bit out of options what is
causing this. Does anyone have a clue what is happening?
Thanks in advice,
Ron
Logs master server1
===================
2014-10-27 23:06:36,503 INFO
[master:vps2008:60000-SendThread(141.105.120.103:2181)]
zookeeper.ClientCnxn: Unable to read additional data from server
sessionid 0x1494ed899bd0211, likely server has closed socket,
closing socket connection and attempting reconnect
2014-10-27 23:06:37,035 INFO
[master:vps2008:60000-SendThread(141.105.120.102:2181)]
zookeeper.ClientCnxn: Opening socket connection to server
141.105.120.102/141.105.120.102:2181. Will not attempt to
authenticate using SASL (unknown error)
2014-10-27 23:06:37,036 INFO
[master:vps2008:60000-SendThread(141.105.120.102:2181)]
zookeeper.ClientCnxn: Socket connection established to
141.105.120.102/141.105.120.102:2181, initiating session
2014-10-27 23:06:37,037 INFO
[master:vps2008:60000-SendThread(141.105.120.102:2181)]
zookeeper.ClientCnxn: Unable to read additional data from server
sessionid 0x1494ed899bd0211, likely server has closed socket,
closing socket connection and attempting reconnect
2014-10-27 23:06:37,583 INFO
[master:vps2008:60000-SendThread(141.105.121.127:2181)]
zookeeper.ClientCnxn: Opening socket connection to server
141.105.121.127/141.105.121.127:2181. Will not attempt to
authenticate using SASL (unknown error)
......
2014-10-27 23:47:35,881 INFO [JvmPauseMonitor]
util.JvmPauseMonitor: Detected pause in JVM or host machine (eg
GC): pause of approximately 1068ms
No GCs detected
5x probarly every regionserver:
2014-10-27 23:47:35,937 WARN [RpcServer.reader=9,port=60000]
ipc.RpcServer: RpcServer.listener,port=60000: count of bytes read: 0
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
at
sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
at sun.nio.ch.IOUtil.read(IOUtil.java:197)
at
sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379)
at
org.apache.hadoop.hbase.ipc.RpcServer.channelRead(RpcServer.java:2244)
at
org.apache.hadoop.hbase.ipc.RpcServer$Connection.readAndProcess(RpcServer.java:1423)
at
org.apache.hadoop.hbase.ipc.RpcServer$Listener.doRead(RpcServer.java:798)
at
org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:589)
at
org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:564)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
.....
2014-10-28 00:01:23,798 WARN [master:vps2008:60000.oldLogCleaner]
zookeeper.RecoverableZooKeeper: Possibly transient ZooKeeper,
quorum=141.105.120.103:2181,141.105.120.102:2181,141.105.121.127:2181,
exception=org.apache.z
ookeeper.KeeperException$SessionExpiredException: KeeperErrorCode
= Session expired for /hbase/replication/rs
2014-10-28 00:01:23,798 ERROR [master:vps2008:60000.oldLogCleaner]
zookeeper.RecoverableZooKeeper: ZooKeeper getChildren failed after
4 attempts
2014-10-28 00:01:23,799 WARN [master:vps2008:60000.oldLogCleaner]
master.ReplicationLogCleaner: Aborting ReplicationLogCleaner
because Failed to get list of replicators
org.apache.zookeeper.KeeperException$SessionExpiredException:
KeeperErrorCode = Session expired for /hbase/replication/rs
at
org.apache.zookeeper.KeeperException.create(KeeperException.java:127)
at
org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at
org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1472)
at
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.getChildren(RecoverableZooKeeper.java:296)
at
org.apache.hadoop.hbase.zookeeper.ZKUtil.listChildrenNoWatch(ZKUtil.java:573)
at
org.apache.hadoop.hbase.replication.ReplicationStateZKBase.getListOfReplicators(ReplicationStateZKBase.java:79)
at
org.apache.hadoop.hbase.replication.master.ReplicationLogCleaner.loadHLogsFromQueues(ReplicationLogCleaner.java:88)
at
org.apache.hadoop.hbase.replication.master.ReplicationLogCleaner.getDeletableFiles(ReplicationLogCleaner.java:67)
at
org.apache.hadoop.hbase.master.cleaner.CleanerChore.checkAndDeleteFiles(CleanerChore.java:233)
at
org.apache.hadoop.hbase.master.cleaner.CleanerChore.checkAndDeleteEntries(CleanerChore.java:157)
at
org.apache.hadoop.hbase.master.cleaner.CleanerChore.chore(CleanerChore.java:124)
at org.apache.hadoop.hbase.Chore.run(Chore.java:80)
at java.lang.Thread.run(Thread.java:745)
.....
2014-10-28 00:06:05,997 ERROR
[MASTER_META_SERVER_OPERATIONS-vps2008:60000-0]
handler.MetaServerShutdownHandler: Caught M_META_SERVER_SHUTDOWN,
count=1
java.io.IOException: failed log splitting for
vps2060.directvps.nl,60020,1414414327187, will retry
at
org.apache.hadoop.hbase.master.handler.MetaServerShutdownHandler.process(MetaServerShutdownHandler.java:84)
at
org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:128)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: error or interrupted while
splitting logs in
[hdfs://namenode.openindex.io:8020/hbase/WALs/vps2060.directvps.nl,60020,1414414327187-splitting]
Task = installed = 1 done = 0 error = 1
at
org.apache.hadoop.hbase.master.SplitLogManager.splitLogDistributed(SplitLogManager.java:359)
at
org.apache.hadoop.hbase.master.MasterFileSystem.splitLog(MasterFileSystem.java:416)
at
org.apache.hadoop.hbase.master.MasterFileSystem.splitMetaLog(MasterFileSystem.java:308)
at
org.apache.hadoop.hbase.master.MasterFileSystem.splitMetaLog(MasterFileSystem.java:299)
at
org.apache.hadoop.hbase.master.handler.MetaServerShutdownHandler.process(MetaServerShutdownHandler.java:77)
... 4 more
2014-10-28 00:06:05,997 INFO
[MASTER_META_SERVER_OPERATIONS-vps2008:60000-1]
handler.MetaServerShutdownHandler: Splitting hbase:meta logs for
vps2060.directvps.nl,60020,1414414327187
2014-10-28 00:06:06,006 INFO
[MASTER_META_SERVER_OPERATIONS-vps2008:60000-1]
master.SplitLogManager: dead splitlog workers
[vps2060.directvps.nl,60020,1414414327187]
2014-10-28 00:06:06,021 INFO [main-EventThread]
zookeeper.ClientCnxn: EventThread shut down
2014-10-28 00:06:06,021 INFO [master:vps2008:60000]
zookeeper.ZooKeeper: Session: 0x1495400a0370000 closed
2014-10-28 00:06:06,021 INFO [master:vps2008:60000]
master.HMaster: HMaster main thread exiting
2014-10-28 00:06:06,022 ERROR [main] master.HMasterCommandLine:
Master exiting
java.lang.RuntimeException: HMaster Aborted
at
org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:194)
at
org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:135)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at
org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:126)
Logs of zookeeper server1:
==========================
2014-10-27 23:06:36,562 [myid:2] - WARN
[QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2181:Follower@89] - Exception
when following the leader
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at
java.net.SocketInputStream.read(SocketInputStream.java:152)
at
java.net.SocketInputStream.read(SocketInputStream.java:122)
at
java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
at
java.io.BufferedInputStream.read(BufferedInputStream.java:254)
at java.io.DataInputStream.readInt(DataInputStream.java:387)
at
org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63)
at
org.apache.zookeeper.server.quorum.QuorumPacket.deserialize(QuorumPacket.java:83)
at
org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:103)
at
org.apache.zookeeper.server.quorum.Learner.readPacket(Learner.java:153)
at
org.apache.zookeeper.server.quorum.Follower.followLeader(Follower.java:85)
at
org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:786)
2014-10-27 23:06:36,629 [myid:2] - INFO
[QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2181:Follower@166] - shutdown
called
java.lang.Exception: shutdown Follower
at
org.apache.zookeeper.server.quorum.Follower.shutdown(Follower.java:166)
at
org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:790)
2014-10-27 23:06:36,630 [myid:2] - INFO
[QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2181:FollowerZooKeeperServer@139]
- Shutting down
2014-10-27 23:06:36,630 [myid:2] - INFO
[QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2181:ZooKeeperServer@441] -
shutting down
2014-10-27 23:06:36,630 [myid:2] - INFO
[QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2181:FollowerRequestProcessor@105]
- Shutting down
2014-10-27 23:06:36,631 [myid:2] - INFO
[FollowerRequestProcessor:2:FollowerRequestProcessor@95] -
FollowerRequestProcessor exited loop!
2014-10-27 23:06:36,632 [myid:2] - INFO
[QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2181:CommitProcessor@181] -
Shutting down
2014-10-27 23:06:36,632 [myid:2] - INFO
[QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2181:FinalRequestProcessor@415]
- shutdown of request processor complete
2014-10-27 23:06:36,632 [myid:2] - INFO
[QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2181:SyncRequestProcessor@209]
- Shutting down
2014-10-27 23:06:36,633 [myid:2] - INFO
[SyncThread:2:SyncRequestProcessor@187] - SyncRequestProcessor
exited!
2014-10-27 23:06:36,633 [myid:2] - INFO
[QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2181:QuorumPeer@714] - LOOKING
2014-10-27 23:06:36,635 [myid:2] - INFO
[CommitProcessor:2:CommitProcessor@150] - CommitProcessor exited
loop!
2014-10-27 23:06:36,716 [myid:2] - INFO
[QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2181:FileSnap@83] - Reading
snapshot /opt/zookeeper/data/version-2/snapshot.ed00000df4
2014-10-27 23:06:36,774 [myid:2] - INFO
[WorkerReceiver[myid=2]:FastLeaderElection@597] - Notification: 1
(message format version), 1 (n.leader), 0xed00000e01 (n.zxid), 0xf9
(n.round), LOOKING (n.state), 1 (n.sid), 0xed (
n.peerEpoch) LOOKING (my state)
2014-10-27 23:06:36,816 [myid:2] - INFO
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197]
- Accepted socket connection from /141.105.120.150:47142
2014-10-27 23:06:36,844 [myid:2] - WARN
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@362] -
Exception causing close of session 0x0 due to java.io.IOException:
ZooKeeperServer not running
2014-10-27 23:06:36,845 [myid:2] - INFO
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] -
Closed socket connection for client /141.105.120.150:47142 (no
session established for client)
.....
2014-10-28 00:07:18,464 [myid:2] - INFO
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@868] -
Client attempting to establish new session at /141.105.125.180:56530
2014-10-28 00:07:18,468 [myid:2] - INFO
[CommitProcessor:2:ZooKeeperServer@617] - Established session
0x24954020e470268 with negotiated timeout 6000 for client
/141.105.125.180:56530
2014-10-28 00:07:18,483 [myid:2] - INFO
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] -
Closed socket connection for client /141.105.125.180:56530 which
had sessionid 0x24954020e470268
2014-10-28 00:07:18,632 [myid:2] - INFO
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197]
- Accepted socket connection from /178.21.116.224:45958
2014-10-28 00:07:18,632 [myid:2] - WARN
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@822] -
Connection request from old client /178.21.116.224:45958; will be
dropped if server is in r-o mode
2014-10-28 00:07:18,632 [myid:2] - INFO
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@868] -
Client attempting to establish new session at /178.21.116.224:45958
2014-10-28 00:07:18,636 [myid:2] - INFO
[CommitProcessor:2:ZooKeeperServer@617] - Established session
0x24954020e470269 with negotiated timeout 6000 for client
/178.21.116.224:45958
2014-10-28 00:07:18,650 [myid:2] - WARN
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357] -
caught end of stream exception
EndOfStreamException: Unable to read additional data from client
sessionid 0x24954020e470269, likely client has closed socket
at
org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
at
org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
at java.lang.Thread.run(Thread.java:745)
2014-10-28 00:07:18,651 [myid:2] - INFO
[NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] -
Closed socket connection for client /178.21.116.224:45958 which had
sessionid 0x24954020e470269
Gc log server1 (date and time may differ, but same result is shown
at time of problem)
======================================================================================
2014-10-23T07:39:02.597+0000: 0.334:
[GC2014-10-23T07:39:02.597+0000: 0.334: [ParNew:
4288K->512K(4800K), 0.0068790 secs] 4288K->1288K(15424K), 0.0069880
secs] [Times: user=0.01 sys=0.00, real=0.01 secs]
2014-10-23T07:39:02.676+0000: 0.413:
[GC2014-10-23T07:39:02.676+0000: 0.413: [ParNew:
4800K->511K(4800K), 0.0136860 secs] 5576K->2274K(15424K), 0.0137620
secs] [Times: user=0.01 sys=0.01, real=0.01 secs]
2014-10-23T07:39:02.759+0000: 0.496:
[GC2014-10-23T07:39:02.759+0000: 0.496: [ParNew:
4790K->511K(4800K), 0.0039330 secs] 6553K->2582K(15424K), 0.0040040
secs] [Times: user=0.01 sys=0.00, real=0.01 secs] ...
2014-10-23T07:39:03.621+0000: 1.358:
[GC2014-10-23T07:39:03.621+0000: 1.358: [ParNew:
4799K->512K(4800K), 0.0022680 secs] 9184K->5281K(15424K), 0.0023360
secs] [Times: user=0.00 sys=0.00, real=0.01 secs]
2014-10-23T07:39:03.803+0000: 1.540:
[GC2014-10-23T07:39:03.803+0000: 1.540: [ParNew:
4800K->512K(4800K), 0.0018700 secs] 9569K->5586K(15424K), 0.0019370
secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2014-10-23T07:39:03.915+0000: 1.652:
[GC2014-10-23T07:39:03.915+0000: 1.652: [ParNew:
4800K->512K(4800K), 0.0019160 secs] 9874K->6010K(15424K), 0.0019840
secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2014-10-23T07:39:03.918+0000: 1.654: [GC [1 CMS-initial-mark:
5498K(10624K)] 6010K(15424K), 0.0041480 secs] [Times: user=0.00
sys=0.00, real=0.01 secs] 2014-10-23T07:39:03.922+0000: 1.659:
[CMS-concurrent-mark-start]
2014-10-23T07:39:03.964+0000: 1.701: [CMS-concurrent-mark:
0.038/0.042 secs] [Times: user=0.09 sys=0.00, real=0.04 secs]
2014-10-23T07:39:03.964+0000: 1.701: [CMS-concurrent-preclean-start]
2014-10-23T07:39:03.965+0000: 1.702: [CMS-concurrent-preclean:
0.001/0.001 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2014-10-23T07:39:03.971+0000: 1.708: [GC[YG occupancy: 1582 K (4800
K)]2014-10-23T07:39:03.971+0000: 1.708: [Rescan (parallel) ,
0.0013900 secs]2014-10-23T07:39:03.972+0000: 1.709: [weak refs
processing, 0.0000240 secs]2014-10-23T07:39:03.973+0000: 1.709:
[scrub string table, 0.0001890 secs] [1 CMS-remark: 5498K(10624K)]
7081K(15424K), 0.0016880 secs] [Times: user=0.00 sys=0.00,
real=0.00 secs] 2014-10-23T07:39:03.973+0000: 1.710:
[CMS-concurrent-sweep-start]
2014-10-23T07:39:03.974+0000: 1.711: [CMS-concurrent-sweep:
0.001/0.001 secs] [Times: user=0.01 sys=0.00, real=0.00 secs]
2014-10-23T07:39:03.974+0000: 1.711: [CMS-concurrent-reset-start]
2014-10-23T07:39:04.086+0000: 1.823:
[GC2014-10-23T07:39:04.086+0000: 1.823: [ParNew:
4800K->512K(4800K), 0.0016370 secs] 7380K->3450K(15424K), 0.0017180
secs] [Times: user=0.01 sys=0.00, real=0.00 secs]
2014-10-23T07:39:04.146+0000: 1.883: [CMS-concurrent-reset:
0.170/0.172 secs] [Times: user=0.11 sys=0.16, real=0.17 secs]
2014-10-23T07:39:04.194+0000: 1.931:
[GC2014-10-23T07:39:04.194+0000: 1.931: [ParNew:
4799K->512K(4800K), 0.0015060 secs] 7737K->3610K(15424K), 0.0015850
secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2014-10-23T07:39:04.347+0000: 2.084:
[GC2014-10-23T07:39:04.347+0000: 2.084: [ParNew:
4800K->511K(4800K), 0.0019550 secs] 7898K->3849K(15424K), 0.0020250
secs] [Times: user=0.01 sys=0.00, real=0.00 secs]
2014-10-23T07:39:04.430+0000: 2.167:
[GC2014-10-23T07:39:04.431+0000: 2.167: [ParNew:
4799K->495K(4800K), 0.0021720 secs] 8137K->3981K(15424K), 0.0022710
secs] [Times: user=0.01 sys=0.00, real=0.01 secs]
....
secs] 2014-10-23T07:40:05.961+0000: 63.698:
[GC2014-10-23T07:40:05.961+0000: 63.698: [ParNew:
4649K->511K(4800K), 0.0028340 secs] 13309K->9479K(15424K),
0.0029510 secs] [Times: user=0.01 sys=0.00, real=0.00 secs]
2014-10-23T07:40:14.198+0000: 71.935:
[GC2014-10-23T07:40:14.198+0000: 71.935: [ParNew:
4799K->511K(4800K), 0.0029840 secs] 13767K->9895K(15424K),
0.0030750 secs] [Times: user=0.01 sys=0.00, real=0.00 secs]
2014-10-23T07:40:14.289+0000: 72.025:
[GC2014-10-23T07:40:14.289+0000: 72.026: [ParNew:
4799K->512K(4800K), 0.0023430 secs] 14183K->10375K(15424K),
0.0024230 secs] [Times: user=0.01 sys=0.00, real=0.01 secs]
2014-10-23T07:40:14.291+0000: 72.028: [GC [1 CMS-initial-mark:
9863K(10624K)] 10383K(15424K), 0.0009020 secs] [Times: user=0.00
sys=0.00, real=0.00 secs] 2014-10-23T07:40:14.292+0000: 72.029:
[CMS-concurrent-mark-start]
2014-10-23T07:40:14.322+0000: 72.059: [CMS-concurrent-mark:
0.030/0.030 secs] [Times: user=0.06 sys=0.00, real=0.03 secs]
2014-10-23T07:40:14.322+0000: 72.059:
[CMS-concurrent-preclean-start]
2014-10-23T07:40:14.322+0000: 72.059: [CMS-concurrent-preclean:
0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2014-10-23T07:40:14.322+0000: 72.059:
[CMS-concurrent-abortable-preclean-start]
CMS: abort preclean due to time 2014-10-23T07:40:19.353+0000:
77.090: [CMS-concurrent-abortable-preclean: 0.089/5.030 secs]
[Times: user=0.11 sys=0.01, real=5.03 secs]
2014-10-23T07:40:19.353+0000: 77.090: [GC[YG occupancy: 3651 K
(4800 K)]2014-10-23T07:40:19.354+0000: 77.091: [Rescan (parallel) ,
0.0020850 secs]2014-10-23T07:40:19.356+0000: 77.093: [weak refs
processing, 0.0001570 secs]2014-10-23T07:40:19.356+0000: 77.093:
[scrub string table, 0.0004000 secs] [1 CMS-remark: 9863K(10624K)]
13514K(15424K), 0.0034860 secs] [Times: user=0.00 sys=0.00,
real=0.00 secs] 2014-10-23T07:40:19.357+0000: 77.094:
[CMS-concurrent-sweep-start]
2014-10-23T07:40:19.360+0000: 77.097: [CMS-concurrent-sweep:
0.003/0.003 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2014-10-23T07:40:19.361+0000: 77.097: [CMS-concurrent-reset-start]
2014-10-23T07:40:19.362+0000: 77.099: [CMS-concurrent-reset:
0.001/0.001 secs] [Times: user=0.00 sys=0.00, real=0.01 secs]
2014-10-23T07:41:56.874+0000: 174.611:
[GC2014-10-23T07:41:56.875+0000: 174.611: [ParNew:
4800K->512K(4800K), 0.0021740 secs] 10761K->6828K(15424K),
0.0022740 secs] [Times: user=0.01 sys=0.00, real=0.00 secs]
2014-10-23T07:47:21.160+0000: 498.897:
[GC2014-10-23T07:47:21.160+0000: 498.897: [ParNew:
4800K->286K(4800K), 0.0025590 secs] 11116K->7045K(15424K),
0.0026680 secs] [Times: user=0.00 sys=0.00, real=0.01 secs] ...
2014-10-23T08:39:29.672+0000: 3627.409:
[GC2014-10-23T08:39:29.672+0000: 3627.409: [ParNew:
4705K->512K(4800K), 0.0045100 secs] 12027K->8045K(15424K),
0.0046410 secs] [Times: user=0.01 sys=0.00, real=0.00 secs]
2014-10-23T08:45:08.685+0000: 3966.422:
[GC2014-10-23T08:45:08.686+0000: 3966.422: [ParNew:
4800K->478K(4800K), 0.0035990 secs] 12333K->8609K(15424K),
0.0036800 secs] [Times: user=0.01 sys=0.00, real=0.00 secs] Heap
par new generation total 4800K, used 827K [0x00000000b7200000,
0x00000000b7730000, 0x00000000c1860000)
eden space 4288K, 8% used [0x00000000b7200000,
0x00000000b72573b0, 0x00000000b7630000)
from space 512K, 93% used [0x00000000b76b0000,
0x00000000b7727980, 0x00000000b7730000)
to space 512K, 0% used [0x00000000b7630000, 0x00000000b7630000,
0x00000000b76b0000)
concurrent mark-sweep generation total 10624K, used 8130K
[0x00000000c1860000, 0x00000000c22c0000, 0x00000000f5a00000)
concurrent-mark-sweep perm gen total 50636K, used 30752K
[0x00000000f5a00000, 0x00000000f8b73000, 0x0000000100000000)