[HBASE-8419] Hadoop2 MR tests fail with delete failing/hanging threads present

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Cannot Reproduce
• Assignee: Unassigned
• Reporter: Jonathan Hsieh
• Created: 24/Apr/13 15:16
• Updated: 16/Jun/22 06:03
• Resolved: 02/Aug/13 17:32

Description

In flaky failure on hadoop2 runs of such as:

• TestImportTsv/testBulkOutputWithoutAnExistingTable
• TestImportTsv/testMROnTable
• TestImportExport/testWithFilter
• (and many others)

We have logs with hanging threads and failed file deletes that look like this.

2013-04-24 06:05:01,807 WARN  [ContainersLauncher #0] nodemanager.DefaultContainerExecutor(193): Exit code from task is : 137
2013-04-24 06:05:06,520 INFO  [pool-1-thread-1] hbase.ResourceChecker(171): after: mapreduce.TestImportExport#testExportScannerBatching Thread=539 (was 534)
Potentially hanging thread: hbase-table-pool-25-thread-1
	sun.misc.Unsafe.park(Native Method)
	java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
	java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
...
<threads seemingly related to dfs connection>

2013-04-24 06:03:28,351 WARN  [DeletionService #0] nodemanager.DefaultContainerExecutor(276): delete returned false for path: [/var/lib/jenkins/workspace/apache-hbase-trunk-hadoop2/trunk/hbase-server/target/org.apache.hadoop.mapred.MiniMRCluster/org.apache.hadoop.mapred.MiniMRCluster-localDir-nm-0_0/usercache/jenkins/appcache/application_1366808588748_0001/container_1366808588748_0001_01_000001]
2013-04-24 06:03:28,353 WARN  [DeletionService #1] nodemanager.DefaultContainerExecutor(276): delete returned false for path: [/var/lib/jenkins/workspace/apache-hbase-trunk-hadoop2/trunk/hbase-server/target/org.apache.hadoop.mapred.MiniMRCluster/org.apache.hadoop.mapred.MiniMRCluster-localDir-nm-0_1/usercache/jenkins/appcache/application_1366808588748_0001/container_1366808588748_0001_01_000001]
2013-04-24 06:03:28,353 WARN  [DeletionService #2] nodemanager.DefaultContainerExecutor(276): delete returned false for path: [/var/lib/jenkins/workspace/apache-hbase-trunk-hadoop2/trunk/hbase-server/target/org.apache.hadoop.mapred.MiniMRCluster/org.apache.hadoop.mapred.MiniMRCluster-localDir-nm-0_2/usercache/jenkins/appcache/application_1366808588748_0001/container_1366808588748_0001_01_000001]
2013-04-24 06:03:28,354 WARN  [DeletionService #0] nodemanager.DefaultContainerExecutor(276): delete returned false for path: [/var/lib/jenkins/workspace/apache-hbase-trunk-hadoop2/trunk/hbase-server/target/org.apache.hadoop.mapred.MiniMRCluster/org.apache.hadoop.mapred.MiniMRCluster-localDir-nm-0_3/usercache/jenkins/appcache/application_1366808588748_0001/container_1366808588748_0001_01_000001]