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https://issues.apache.org/jira/browse/HBASE-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13440687#comment-13440687
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Zhihong Ted Yu commented on HBASE-6524:
---------------------------------------
I received the following from Jonathan:
{code}
with htrace:
Failed tests: testWALPlayer(org.apache.hadoop.hbase.mapreduce.TestWALPlayer):
expected:<0> but was:<1>
testMultiRegionTable(org.apache.hadoop.hbase.mapreduce.TestTableMapReduce)
testMROnTableWithTimestamp(org.apache.hadoop.hbase.mapreduce.TestImportTsv)
testMROnTableWithCustomMapper(org.apache.hadoop.hbase.mapreduce.TestImportTsv)
testRowCounterExclusiveColumn(org.apache.hadoop.hbase.mapreduce.TestRowCounter)
testRowCounterHiddenColumn(org.apache.hadoop.hbase.mapreduce.TestRowCounter)
Tests in error:
testMRIncrementalLoad(org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat)
testMRIncrementalLoadWithSplit(org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat)
testExcludeMinorCompaction(org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat)
testMROnTable(org.apache.hadoop.hbase.mapreduce.TestImportTsv)
testBulkOutputWithoutAnExistingTable(org.apache.hadoop.hbase.mapreduce.TestImportTsv)
testRowCounterNoColumn(org.apache.hadoop.hbase.mapreduce.TestRowCounter)
testMultithreadedTableMapper(org.apache.hadoop.hbase.mapreduce.TestMultithreadedTableMapper)
testSimpleCase(org.apache.hadoop.hbase.mapreduce.TestImportExport)
testMetaExport(org.apache.hadoop.hbase.mapreduce.TestImportExport)
testWithDeletes(org.apache.hadoop.hbase.mapreduce.TestImportExport)
testScanOBBToOPP(org.apache.hadoop.hbase.mapreduce.TestTableInputFormatScan)
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
testMultiRegionTable(org.apache.hadoop.hbase.mapred.TestTableMapReduce): Job
failed!
testUpgrade(org.apache.hadoop.hbase.io.encoding.TestUpgradeFromHFileV1ToEncoding):
Shutting down
{code}
As you can see, the count was much higher than 3
Please refer to
https://builds.apache.org/view/G-L/view/HBase/job/HBase-TRUNK-on-Hadoop-2.0.0/143/testReport/
> 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
> Assignee: 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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