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https://issues.apache.org/jira/browse/HADOOP-8755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13446504#comment-13446504
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Aaron T. Myers commented on HADOOP-8755:
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Hey Andrey, can you comment on what testing of this patch you've done? I tried
the following, but it didn't work as I expected:
# Applying the patch you posted here.
# Lower the configured test timeout in hadoop-project/pom.xml from 900 seconds
to 5 seconds.
# Add a "Thread.sleep(10 * 1000)" (10 seconds) to an HDFS test case.
# Running the modified HDFS test case.
The test timed out as I intended it to, but I couldn't find the thread dump
output anywhere - not in the test output file, and not on the console. Where
should I be looking, or what am I missing?
Thanks a lot.
> Print thread dump when tests fail due to timeout
> -------------------------------------------------
>
> Key: HADOOP-8755
> URL: https://issues.apache.org/jira/browse/HADOOP-8755
> Project: Hadoop Common
> Issue Type: Improvement
> Components: test
> Affects Versions: 1.0.3, 0.23.1, 2.0.0-alpha
> Reporter: Andrey Klochkov
> Assignee: Andrey Klochkov
> Attachments: HDFS-3762-branch-0.23.patch, HDFS-3762.patch,
> HDFS-3762.patch, HDFS-3762.patch, HDFS-3762.patch, HDFS-3762.patch
>
>
> When a test fails due to timeout it's often not clear what is the root cause.
> See HDFS-3364 as an example.
> We can print dump of all threads in this case, this may help finding causes.
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