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Posted to issues@hive.apache.org by "Sandeep Gade (Jira)" <ji...@apache.org> on 2022/11/04 12:01:00 UTC

[jira] [Updated] (HIVE-26669) Hive Metastore become unresponsive

     [ https://issues.apache.org/jira/browse/HIVE-26669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sandeep Gade updated HIVE-26669:
--------------------------------
    Attachment:     (was: metastore-server1)

> Hive Metastore become unresponsive
> ----------------------------------
>
>                 Key: HIVE-26669
>                 URL: https://issues.apache.org/jira/browse/HIVE-26669
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 3.1.0
>            Reporter: Sandeep Gade
>            Assignee: Chris Nauroth
>            Priority: Critical
>
> We are experiencing issues with Hive Metastore where it goes unresponsive. Initial investigation shows thousands of thread in WAITING (parking) state as shown below:
>     1    java.lang.Thread.State: BLOCKED (on object monitor)
>     772    java.lang.Thread.State: RUNNABLE
>       2    java.lang.Thread.State: TIMED_WAITING (on object monitor)
>      13    java.lang.Thread.State: TIMED_WAITING (parking)
>       5    java.lang.Thread.State: TIMED_WAITING (sleeping)
>       3    java.lang.Thread.State: WAITING (on object monitor)
>   14308    java.lang.Thread.State: WAITING (parking)
> ==============
> Almost all of the threads are stuck at 'parking to wait for  <0x00007f9ad0795c48> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)'
>  
>      15         - parking to wait for  <0x00007f9ad06c9c10> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>   14288         - parking to wait for  <0x00007f9ad0795c48> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
>       1         - parking to wait for  <0x00007f9ad0a161f8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>       1         - parking to wait for  <0x00007f9ad0a39248> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>       1         - parking to wait for  <0x00007f9ad0adb0a0> (a java.util.concurrent.SynchronousQueue$TransferQueue)
>       5         - parking to wait for  <0x00007f9ad0b12278> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>       1         - parking to wait for  <0x00007f9ad0b12518> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>       1         - parking to wait for  <0x00007f9ad0b44878> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>       1         - parking to wait for  <0x00007f9ad0cbe8f0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>       1         - parking to wait for  <0x00007f9ad1318d60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>       1         - parking to wait for  <0x00007f9ad1478c10> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
>       5         - parking to wait for  <0x00007f9ad1494ff8> (a java.util.concurrent.SynchronousQueue$TransferQueue)
> ======================
> complete stack:
> "pool-8-thread-62238" #3582305 prio=5 os_prio=0 tid=0x00007f977bfc9800 nid=0x62011 waiting on condition [0x00007f959d917000]
>    java.lang.Thread.State: WAITING (parking)
>         at sun.misc.Unsafe.park(Native Method)
>         - parking to wait for  <0x00007f9ad0795c48> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
>         at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:870)
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1199)
>         at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:209)
>         at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:285)
>         at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:351)
>         at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:77)
>         at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:137)
>         at org.apache.hadoop.hive.metastore.RawStoreProxy.<init>(RawStoreProxy.java:59)
>         at org.apache.hadoop.hive.metastore.RawStoreProxy.getProxy(RawStoreProxy.java:67)
>         at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.newRawStoreForConf(HiveMetaStore.java:750)
>         at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMSForConf(HiveMetaStore.java:718)
>         at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:712)
>         at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_database_core(HiveMetaStore.java:1488)
>         at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_database(HiveMetaStore.java:1470)
>         at sun.reflect.GeneratedMethodAccessor40.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:498)
>         at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147)
>         at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108)
>         at com.sun.proxy.$Proxy30.get_database(Unknown Source)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_database.getResult(ThriftHiveMetastore.java:15014)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_database.getResult(ThriftHiveMetastore.java:14998)
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>         at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
>         at org.apache.hadoop.hive.metastore.security.HadoopThriftAuthBridge$Server$TUGIAssumingProcessor$1.run(HadoopThriftAuthBridge.java:636)
>         at org.apache.hadoop.hive.metastore.security.HadoopThriftAuthBridge$Server$TUGIAssumingProcessor$1.run(HadoopThriftAuthBridge.java:631)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:422)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730)
>         at org.apache.hadoop.hive.metastore.security.HadoopThriftAuthBridge$Server$TUGIAssumingProcessor.process(HadoopThriftAuthBridge.java:631)
>         at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>         at java.lang.Thread.run(Thread.java:750)
>    Locked ownable synchronizers:
>         - <0x00007fae9f0d8c20> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> ======================
> Looking at linux process, Hive exhausts its 'max processes count' while the issue is happening
> set to:
> Max processes             16000                16000                processes
> As a workaround, we restart Metastores and it works fine for few days.



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