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https://issues.apache.org/jira/browse/HBASE-10156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13867314#comment-13867314
]
Hadoop QA commented on HBASE-10156:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12622266/10156v5.txt
against trunk revision .
ATTACHMENT ID: 12622266
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 12 new
or modified tests.
{color:green}+1 hadoop1.0{color}. The patch compiles against the hadoop
1.0 profile.
{color:green}+1 hadoop1.1{color}. The patch compiles against the hadoop
1.1 profile.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated 2
warning messages.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 lineLengths{color}. The patch introduces the following lines
longer than 100:
+ System.err.println(" For example: FSHLog --dump
hdfs://example.com:9000/hbase/.logs/MACHINE/LOGFILE");
+ System.err.println(" For example: FSHLog --split
hdfs://example.com:9000/hbase/.logs/DIR");
+ * @return the WALTrailer of the current HLog. It may be null in case of
legacy or corrupt WAL files.
+ // TODO: What we need a trailer on WAL for? It won't be present on the
last WAL most of the time. What then?
+ * Utility class that lets us keep track of the edit and it's associated
key. Only used when splitting logs.
+ * Used by tests only and in rare cases where we need a log just temporarily
while bootstrapping a region or
+ * Same as {@link #appendNoSync(HRegionInfo, TableName, WALEdit, List, long,
HTableDescriptor, AtomicLong, boolean, long, long)}
+ * log-sequence-id. The WAL is not flushed/sync'd after this transaction
completes. Call {@link #sync()} to
+ * @param sequenceId A reference to the atomic long the <code>info</code>
region is using as source of its
+ * incrementing edits sequence id. Inside in this call we will increment it
and attach the sequence to the edit
{color:red}-1 site{color}. The patch appears to cause mvn site goal to
fail.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.master.TestRollingRestart
org.apache.hadoop.hbase.mapreduce.TestHLogRecordReader
{color:red}-1 core zombie tests{color}. There are 5 zombie test(s):
at
org.apache.hadoop.hbase.regionserver.wal.TestLogRolling.testLogRollOnDatanodeDeath(TestLogRolling.java:368)
at
org.apache.hadoop.hbase.regionserver.TestParallelPut.testParallelPuts(TestParallelPut.java:139)
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/8380//console
This message is automatically generated.
> Fix up the HBASE-8755 slowdown when low contention
> --------------------------------------------------
>
> Key: HBASE-10156
> URL: https://issues.apache.org/jira/browse/HBASE-10156
> Project: HBase
> Issue Type: Sub-task
> Components: wal
> Reporter: stack
> Assignee: stack
> Attachments: 10156.txt, 10156v2.txt, 10156v3.txt, 10156v4.txt,
> 10156v5.txt, Disrupting.java
>
>
> HBASE-8755 slows our writes when only a few clients. Fix.
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