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https://issues.apache.org/jira/browse/HDFS-12711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16221069#comment-16221069
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Allen Wittenauer commented on HDFS-12711:
-----------------------------------------
https://builds.apache.org/job/PreCommit-HDFS-Build2/2
This is better or worse, depending upon your point of view.
Many of these:
{code}
estDeleteEZWithMultipleUsers(org.apache.hadoop.hdfs.TestTrashWithEncryptionZones)
Time elapsed: 5.134 sec <<< ERROR!
java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:717)
at
io.netty.util.concurrent.SingleThreadEventExecutor.shutdownGracefully(SingleThreadEventExecutor.java:557)
at
io.netty.util.concurrent.MultithreadEventExecutorGroup.shutdownGracefully(MultithreadEventExecutorGroup.java:146)
at
io.netty.util.concurrent.AbstractEventExecutorGroup.shutdownGracefully(AbstractEventExecutorGroup.java:69)
at
org.apache.hadoop.hdfs.server.datanode.web.DatanodeHttpServer.close(DatanodeHttpServer.java:272)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.shutdown(DataNode.java:1986)
at
org.apache.hadoop.hdfs.MiniDFSCluster.shutdownDataNode(MiniDFSCluster.java:1868)
at
org.apache.hadoop.hdfs.MiniDFSCluster.shutdownDataNodes(MiniDFSCluster.java:1858)
at
org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1837)
at
org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1811)
at
org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1804)
at
org.apache.hadoop.hdfs.TestTrashWithEncryptionZones.teardown(TestTrashWithEncryptionZones.java:118)
{code}
which eventually turn into these:
{code}
/bin/sh: 1: Cannot fork
/bin/sh: 1: Cannot fork
/bin/sh: 1: Cannot fork
/bin/sh: 1: Cannot fork
/bin/sh: 1: Cannot fork
/bin/sh: 1: Cannot fork
{code}
but that's not it's final form! Oh no, it then turns into reams and reams of
this:
{code}
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Cannot create GC thread. Out of system resources.
# An error report file with more information is saved as:
# /testptch/hadoop/hadoop-hdfs-project/hadoop-hdfs/hs_err_pid20306.log
#
{code}
Now we just have to wait and see if the walls put up were enough to stop H4
from crashing.
(the 1k default process limit is *probably* a smidge too low, but not by too
much.)
> deadly hdfs test
> ----------------
>
> Key: HDFS-12711
> URL: https://issues.apache.org/jira/browse/HDFS-12711
> Project: Hadoop HDFS
> Issue Type: Test
> Affects Versions: 2.9.0, 2.8.2
> Reporter: Allen Wittenauer
> Priority: Critical
> Attachments: HDFS-12711.branch-2.00.patch
>
>
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