Hazelcast缓慢启动(Hazelcast slow startup)
我有一个带有Hazelcast v3.8的Java应用程序用于缓存目的。 当我部署在Tomcat服务器上时，启动需要8分钟到10分钟的时间，但在Mac上启动只需1分钟。
正如一些人所建议的，我将系统属性
-Djava.security.egd=file:/dev/./urandom为拥有更快的随机库，但问题仍然存在。线程转储给我这个：
"hz._hzInstance_1_app-dev.operation-parker" #44 prio=5 os_prio=0 tid=0x00007fb4b901f800 nid=0x194c waiting on condition [0x00007fb4cd709000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb979150> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078) at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259) at com.hazelcast.spi.impl.operationparker.impl.OperationParkerImpl$ExpirationTask.doRun(OperationParkerImpl.java:338) at com.hazelcast.spi.impl.operationparker.impl.OperationParkerImpl$ExpirationTask.run(OperationParkerImpl.java:323) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76) at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92) Locked ownable synchronizers: - <0x00000006cb979398> (a java.util.concurrent.ThreadPoolExecutor$Worker) "hz._hzInstance_1_app-dev.event-10" #43 daemon prio=5 os_prio=0 tid=0x00007fb4baad1000 nid=0x194b waiting on condition [0x00007fb4cd80a000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb971f40> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-9" #42 daemon prio=5 os_prio=0 tid=0x00007fb4bd694800 nid=0x194a waiting on condition [0x00007fb4cd90b000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb973f40> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-8" #41 daemon prio=5 os_prio=0 tid=0x00007fb4b9d18000 nid=0x1949 waiting on condition [0x00007fb4cda0c000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb974150> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-7" #40 daemon prio=5 os_prio=0 tid=0x00007fb4bc4ad800 nid=0x1948 waiting on condition [0x00007fb4cdb0d000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb972150> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-6" #39 daemon prio=5 os_prio=0 tid=0x00007fb4bd99f000 nid=0x1947 waiting on condition [0x00007fb4cdc0e000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb972360> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-5" #38 daemon prio=5 os_prio=0 tid=0x00007fb4bd06d800 nid=0x1946 waiting on condition [0x00007fb4cdd0f000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb974398> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-4" #37 daemon prio=5 os_prio=0 tid=0x00007fb4bb032000 nid=0x1945 waiting on condition [0x00007fb4cde10000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb972778> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-3" #36 daemon prio=5 os_prio=0 tid=0x00007fb4bdaab800 nid=0x1944 waiting on condition [0x00007fb4cdf11000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb9747b0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-2" #35 daemon prio=5 os_prio=0 tid=0x00007fb4be10f800 nid=0x1943 waiting on condition [0x00007fb4ce012000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb975f40> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-1" #34 daemon prio=5 os_prio=0 tid=0x00007fb4bd2d9000 nid=0x1942 waiting on condition [0x00007fb4ce113000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb972b90> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.cached.thread-5" #24 prio=5 os_prio=0 tid=0x00007fb4b4010000 nid=0x1940 waiting on condition [0x00007fb4ce214000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb712368> (a java.util.concurrent.SynchronousQueue$TransferStack) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:458) at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362) at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:924) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76) at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.cached.thread-3" #22 prio=5 os_prio=0 tid=0x00007fb4b400c800 nid=0x193e waiting on condition [0x00007fb4ce416000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb712368> (a java.util.concurrent.SynchronousQueue$TransferStack) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:458) at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362) at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:924) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76) at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.cached.thread-1" #20 prio=5 os_prio=0 tid=0x00007fb4b4015800 nid=0x193c waiting on condition [0x00007fb4ce618000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb712368> (a java.util.concurrent.SynchronousQueue$TransferStack) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460) at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362) at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76) at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.scheduled" #19 prio=5 os_prio=0 tid=0x00007fb4bdfc6800 nid=0x193b waiting on condition [0x00007fb4ce719000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb716368> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76) at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92) Locked ownable synchronizers: - None在做了一些测量之后，我发现启动花费了6分钟的时间（创建hazelcast实例）：
Hazelcast.newHazelcastInstance(config)withConfig config = new FileSystemXmlConfig(configFile)配置如下：
Hazelcast configuration : Config{groupConfig=GroupConfig [name=*************, password=*************], properties={hazelcast.event.thread.count=10, hazelcast.memcache.enabled=false, hazelcast.rest.enabled=false, hazelcast.logging.type=jdk, hazelcast.socket.bind.any=false}, networkConfig=NetworkConfig{publicAddress='null', port=5701, portCount=100, portAutoIncrement=true, join=JoinConfig{multicastConfig=MulticastConfig [enabled=false, multicastGroup=224.2.2.3, multicastPort=54327, multicastTimeToLive=32, multicastTimeoutSeconds=2, trustedInterfaces=[], loopbackModeEnabled=false], tcpIpConfig=TcpIpConfig [enabled=false, connectionTimeoutSeconds=5, members=[], requiredMember=null], awsConfig=AwsConfig{enabled=false, region='us-east-1', securityGroupName='null', tagKey='null', tagValue='null', hostHeader='ec2.amazonaws.com', iamRole='null', connectionTimeoutSeconds=5}, discoveryProvidersConfig=com.hazelcast.config.DiscoveryConfig@2463d057}, interfaces=InterfacesConfig{enabled=true, interfaces=[127.0.0.1]}, sslConfig=null, socketInterceptorConfig=null, symmetricEncryptionConfig=null}, mapConfigs={}, topicConfigs={}, reliableTopicConfigs={}, queueConfigs={}, multiMapConfigs={}, executorConfigs={}, semaphoreConfigs={}, ringbufferConfigs={}, wanReplicationConfigs={}, partitionGroupConfig=PartitionGroupConfig{enabled=false, groupType=PER_MEMBER, memberGroupConfigs=[]}, managementCenterConfig=ManagementCenterConfig{enabled=false, url='http://localhost:9000/mancenter', updateInterval=3}, securityConfig=SecurityConfig{enabled=false, memberCredentialsConfig=CredentialsFactoryConfig{className='null', implementation=null, properties={}}, memberLoginModuleConfigs=[], clientLoginModuleConfigs=[], clientPolicyConfig=PermissionPolicyConfig{className='null', implementation=null, properties={}}, clientPermissionConfigs=[]}, liteMember=false}Hazelcast configuration : Config{groupConfig=GroupConfig [name=*************, password=*************], properties={hazelcast.event.thread.count=10, hazelcast.memcache.enabled=false, hazelcast.rest.enabled=false, hazelcast.logging.type=jdk, hazelcast.socket.bind.any=false}, networkConfig=NetworkConfig{publicAddress='null', port=5701, portCount=100, portAutoIncrement=true, join=JoinConfig{multicastConfig=MulticastConfig [enabled=false, multicastGroup=224.2.2.3, multicastPort=54327, multicastTimeToLive=32, multicastTimeoutSeconds=2, trustedInterfaces=[], loopbackModeEnabled=false], tcpIpConfig=TcpIpConfig [enabled=false, connectionTimeoutSeconds=5, members=[], requiredMember=null], awsConfig=AwsConfig{enabled=false, region='us-east-1', securityGroupName='null', tagKey='null', tagValue='null', hostHeader='ec2.amazonaws.com', iamRole='null', connectionTimeoutSeconds=5}, discoveryProvidersConfig=com.hazelcast.config.DiscoveryConfig@2463d057}, interfaces=InterfacesConfig{enabled=true, interfaces=[127.0.0.1]}, sslConfig=null, socketInterceptorConfig=null, symmetricEncryptionConfig=null}, mapConfigs={}, topicConfigs={}, reliableTopicConfigs={}, queueConfigs={}, multiMapConfigs={}, executorConfigs={}, semaphoreConfigs={}, ringbufferConfigs={}, wanReplicationConfigs={}, partitionGroupConfig=PartitionGroupConfig{enabled=false, groupType=PER_MEMBER, memberGroupConfigs=[]}, managementCenterConfig=ManagementCenterConfig{enabled=false, url='http://localhost:9000/mancenter', updateInterval=3}, securityConfig=SecurityConfig{enabled=false, memberCredentialsConfig=CredentialsFactoryConfig{className='null', implementation=null, properties={}}, memberLoginModuleConfigs=[], clientLoginModuleConfigs=[], clientPolicyConfig=PermissionPolicyConfig{className='null', implementation=null, properties={}}, clientPermissionConfigs=[]}, liteMember=false}有什么我可以做的，以减少Ubuntu的启动时间？
I have a Java application with Hazelcast v3.8 for caching purposes. When I deploy on a Tomcat server, the startup takes 8 minutes to 10 minutes on an Ubuntu Linux, however it takes barely 1 minute to start on a Mac.
As recommended by some I set the system property
-Djava.security.egd=file:/dev/./urandomto have a faster random library but the issue persists.A thread dump gives me this :
"hz._hzInstance_1_app-dev.operation-parker" #44 prio=5 os_prio=0 tid=0x00007fb4b901f800 nid=0x194c waiting on condition [0x00007fb4cd709000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb979150> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078) at java.util.concurrent.DelayQueue.poll(DelayQueue.java:259) at com.hazelcast.spi.impl.operationparker.impl.OperationParkerImpl$ExpirationTask.doRun(OperationParkerImpl.java:338) at com.hazelcast.spi.impl.operationparker.impl.OperationParkerImpl$ExpirationTask.run(OperationParkerImpl.java:323) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76) at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92) Locked ownable synchronizers: - <0x00000006cb979398> (a java.util.concurrent.ThreadPoolExecutor$Worker) "hz._hzInstance_1_app-dev.event-10" #43 daemon prio=5 os_prio=0 tid=0x00007fb4baad1000 nid=0x194b waiting on condition [0x00007fb4cd80a000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb971f40> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-9" #42 daemon prio=5 os_prio=0 tid=0x00007fb4bd694800 nid=0x194a waiting on condition [0x00007fb4cd90b000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb973f40> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-8" #41 daemon prio=5 os_prio=0 tid=0x00007fb4b9d18000 nid=0x1949 waiting on condition [0x00007fb4cda0c000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb974150> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-7" #40 daemon prio=5 os_prio=0 tid=0x00007fb4bc4ad800 nid=0x1948 waiting on condition [0x00007fb4cdb0d000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb972150> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-6" #39 daemon prio=5 os_prio=0 tid=0x00007fb4bd99f000 nid=0x1947 waiting on condition [0x00007fb4cdc0e000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb972360> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-5" #38 daemon prio=5 os_prio=0 tid=0x00007fb4bd06d800 nid=0x1946 waiting on condition [0x00007fb4cdd0f000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb974398> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-4" #37 daemon prio=5 os_prio=0 tid=0x00007fb4bb032000 nid=0x1945 waiting on condition [0x00007fb4cde10000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb972778> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-3" #36 daemon prio=5 os_prio=0 tid=0x00007fb4bdaab800 nid=0x1944 waiting on condition [0x00007fb4cdf11000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb9747b0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-2" #35 daemon prio=5 os_prio=0 tid=0x00007fb4be10f800 nid=0x1943 waiting on condition [0x00007fb4ce012000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb975f40> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.event-1" #34 daemon prio=5 os_prio=0 tid=0x00007fb4bd2d9000 nid=0x1942 waiting on condition [0x00007fb4ce113000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb972b90> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:203) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.cached.thread-5" #24 prio=5 os_prio=0 tid=0x00007fb4b4010000 nid=0x1940 waiting on condition [0x00007fb4ce214000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb712368> (a java.util.concurrent.SynchronousQueue$TransferStack) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:458) at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362) at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:924) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76) at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.cached.thread-3" #22 prio=5 os_prio=0 tid=0x00007fb4b400c800 nid=0x193e waiting on condition [0x00007fb4ce416000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb712368> (a java.util.concurrent.SynchronousQueue$TransferStack) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:458) at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362) at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:924) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76) at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.cached.thread-1" #20 prio=5 os_prio=0 tid=0x00007fb4b4015800 nid=0x193c waiting on condition [0x00007fb4ce618000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb712368> (a java.util.concurrent.SynchronousQueue$TransferStack) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460) at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362) at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76) at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92) Locked ownable synchronizers: - None "hz._hzInstance_1_app-dev.scheduled" #19 prio=5 os_prio=0 tid=0x00007fb4bdfc6800 nid=0x193b waiting on condition [0x00007fb4ce719000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000006cb716368> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:76) at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:92) Locked ownable synchronizers: - NoneAfter doing some measurements, I found out that startup spends 6 minutes on this call (creation of hazelcast instance) :
Hazelcast.newHazelcastInstance(config)withConfig config = new FileSystemXmlConfig(configFile)Config in the following :
Hazelcast configuration : Config{groupConfig=GroupConfig [name=*************, password=*************], properties={hazelcast.event.thread.count=10, hazelcast.memcache.enabled=false, hazelcast.rest.enabled=false, hazelcast.logging.type=jdk, hazelcast.socket.bind.any=false}, networkConfig=NetworkConfig{publicAddress='null', port=5701, portCount=100, portAutoIncrement=true, join=JoinConfig{multicastConfig=MulticastConfig [enabled=false, multicastGroup=224.2.2.3, multicastPort=54327, multicastTimeToLive=32, multicastTimeoutSeconds=2, trustedInterfaces=[], loopbackModeEnabled=false], tcpIpConfig=TcpIpConfig [enabled=false, connectionTimeoutSeconds=5, members=[], requiredMember=null], awsConfig=AwsConfig{enabled=false, region='us-east-1', securityGroupName='null', tagKey='null', tagValue='null', hostHeader='ec2.amazonaws.com', iamRole='null', connectionTimeoutSeconds=5}, discoveryProvidersConfig=com.hazelcast.config.DiscoveryConfig@2463d057}, interfaces=InterfacesConfig{enabled=true, interfaces=[127.0.0.1]}, sslConfig=null, socketInterceptorConfig=null, symmetricEncryptionConfig=null}, mapConfigs={}, topicConfigs={}, reliableTopicConfigs={}, queueConfigs={}, multiMapConfigs={}, executorConfigs={}, semaphoreConfigs={}, ringbufferConfigs={}, wanReplicationConfigs={}, partitionGroupConfig=PartitionGroupConfig{enabled=false, groupType=PER_MEMBER, memberGroupConfigs=[]}, managementCenterConfig=ManagementCenterConfig{enabled=false, url='http://localhost:9000/mancenter', updateInterval=3}, securityConfig=SecurityConfig{enabled=false, memberCredentialsConfig=CredentialsFactoryConfig{className='null', implementation=null, properties={}}, memberLoginModuleConfigs=[], clientLoginModuleConfigs=[], clientPolicyConfig=PermissionPolicyConfig{className='null', implementation=null, properties={}}, clientPermissionConfigs=[]}, liteMember=false}Is there something I can do to decrease startup time on Ubuntu ?
原文：https://stackoverflow.com/questions/43379592
更新时间：2023-08-25 07:08
最满意答案
你有没有试过检查变量
userRes和passwdRes的值？ 根据您在帖子中提供的代码，它们可能尚未初始化。Have you tried checking out the values of the variables
userResandpasswdRes? Based on the codes you have provided on your post, they may not have been initialized.
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