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https://issues.apache.org/jira/browse/HDFS-7475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14235222#comment-14235222
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Hadoop QA commented on HDFS-7475:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12685197/HDFS-7475.0.patch
against trunk revision 7896815.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 4 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/8915//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8915//console
This message is automatically generated.
> Make TestLazyPersistFiles#testLazyPersistBlocksAreSaved deterministic
> ----------------------------------------------------------------------
>
> Key: HDFS-7475
> URL: https://issues.apache.org/jira/browse/HDFS-7475
> Project: Hadoop HDFS
> Issue Type: Test
> Components: test
> Affects Versions: 2.6.0
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Attachments: HDFS-7475.0.patch
>
>
> TestLazyPersistFiles#testLazyPersistBlocksAreSaved verifies that the memory
> block is saved in lazy persist directory after some sleep with the following
> code.
> {code}
> // Sleep for a short time to allow the lazy writer thread to do its job
> Thread.sleep(6 * LAZY_WRITER_INTERVAL_SEC * 1000);
> {code}
> However, the sleep only guarantees an async lazy persist task is scheduled.
> The task running on a per volume thread pool thread can take longer to finish
> persisting. It will be more deterministic to wait the pending lazy persist
> task count reduce to 0 before verifying the block file exist in lazy persist
> dir.
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