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From "Zhihong Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6524) Hooks for hbase tracing
Date Thu, 23 Aug 2012 01:08:42 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13439989#comment-13439989
] 

Zhihong Ted Yu commented on HBASE-6524:
---------------------------------------

Here is the list of failed tests:
{code}
Failed tests:   testMultipleTables(org.apache.hadoop.hbase.backup.example.TestZooKeeperTableArchiveClient):
Archived HFiles (hdfs://localhost:58500/user/zhihyu/hbase/.archive/otherTable/8f2bf3dfdf9ce281bec682f7160e4098/fam)
should have gotten deleted, but didn't, remaining files:...

Tests in error:
  testDisableInactivePeer(org.apache.hadoop.hbase.replication.TestReplication): Shutting down
  testCreateTableRPCTimeOut(org.apache.hadoop.hbase.client.TestAdmin): Retries exhausted while
still waiting for table: testCreateTableRPCTimeOut to be enabled
  testGetRowVersions(org.apache.hadoop.hbase.TestMultiVersions): Shutting down
  testScanMultipleVersions(org.apache.hadoop.hbase.TestMultiVersions): org.apache.hadoop.hbase.MasterNotRunningException:
Can create a proxy to master, but it is not running
{code}
I also saw two hanging tests:
{code}
"main" prio=10 tid=0x0000000040544800 nid=0x1e09 in Object.wait() [0x00007ffc85ca6000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <0x00000000a8807010> (a org.apache.hadoop.hbase.util.JVMClusterUtil$MasterThread)
	at java.lang.Thread.join(Thread.java:1194)
	- locked <0x00000000a8807010> (a org.apache.hadoop.hbase.util.JVMClusterUtil$MasterThread)
	at org.apache.hadoop.hbase.util.Threads.threadDumpingIsAlive(Threads.java:116)
	at org.apache.hadoop.hbase.LocalHBaseCluster.join(LocalHBaseCluster.java:405)
	at org.apache.hadoop.hbase.MiniHBaseCluster.join(MiniHBaseCluster.java:408)
	at org.apache.hadoop.hbase.HBaseTestingUtility.shutdownMiniHBaseCluster(HBaseTestingUtility.java:599)
	at org.apache.hadoop.hbase.HBaseTestingUtility.shutdownMiniCluster(HBaseTestingUtility.java:573)
	at org.apache.hadoop.hbase.rest.TestVersionResource.tearDownAfterClass(TestVersionResource.java:69)
{code}
{code}
"main" prio=10 tid=0x0000000040d5b800 nid=0x64df waiting on condition [0x00007f50b379b000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
	at java.lang.Thread.sleep(Native Method)
	at org.apache.hadoop.hbase.zookeeper.ZKUtil.blockUntilAvailable(ZKUtil.java:1225)
	at org.apache.hadoop.hbase.zookeeper.RootRegionTracker.blockUntilAvailable(RootRegionTracker.java:176)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:940)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:1056)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:955)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:1056)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:959)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.relocateRegion(HConnectionManager.java:923)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionLocation(HConnectionManager.java:834)
	at org.apache.hadoop.hbase.client.ServerCallable.connect(ServerCallable.java:88)
	at org.apache.hadoop.hbase.client.ScannerCallable.connect(ScannerCallable.java:95)
	at org.apache.hadoop.hbase.client.ServerCallable.withRetries(ServerCallable.java:168)
	at org.apache.hadoop.hbase.client.ClientScanner.nextScanner(ClientScanner.java:212)
	at org.apache.hadoop.hbase.client.ClientScanner.<init>(ClientScanner.java:127)
	at org.apache.hadoop.hbase.client.HTable.getScanner(HTable.java:649)
	at org.apache.hadoop.hbase.replication.TestReplication.setUp(TestReplication.java:183)
{code}
In order to clear all the above, I think more time is needed.

Rolling back the patch would allow HBASE-6581 to proceed.
                
> Hooks for hbase tracing
> -----------------------
>
>                 Key: HBASE-6524
>                 URL: https://issues.apache.org/jira/browse/HBASE-6524
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jonathan Leavitt
>             Fix For: 0.96.0
>
>         Attachments: 6524.addendum, createTableTrace.png, hbase-6524.diff
>
>
> Includes the hooks that use [htrace|http://www.github.com/cloudera/htrace] library to
add dapper-like tracing to hbase.

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