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https://issues.apache.org/jira/browse/HDFS-12268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16168010#comment-16168010
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Nandakumar commented on HDFS-12268:
-----------------------------------
[~vagarychen] & [~linyiqun]
After this patch witting data into ozone fails. (thanks [~anu] for finding this)
We get the below exception while trying to write
{code}
Exceptionin thread "main" java.lang.NoClassDefFoundError:
com/sun/tools/javac/util/Pair
at
org.apache.hadoop.scm.XceiverClientHandler.sendCommandAsync(XceiverClientHandler.java:149)
at
org.apache.hadoop.scm.XceiverClientHandler.sendCommand(XceiverClientHandler.java:127)
at
org.apache.hadoop.scm.XceiverClient.sendCommand(XceiverClient.java:132)
at
org.apache.hadoop.scm.storage.ContainerProtocolCalls.createContainer(ContainerProtocolCalls.java:251)
at
org.apache.hadoop.ozone.client.io.ChunkGroupOutputStream.getFromKsmKeyInfo(ChunkGroupOutputStream.java:294)
at
org.apache.hadoop.ozone.client.rpc.OzoneRpcClient.createKey(OzoneRpcClient.java:487)
at TestDriver.main(TestDriver.java:33)
Causedby: java.lang.ClassNotFoundException: com.sun.tools.javac.util.Pair
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 7 more
{code}
{{com.sun.tools.javac.util.Pair}} is found in tools.jar, which is not part of
JRE.
> Ozone: Add metrics for pending storage container requests
> ---------------------------------------------------------
>
> Key: HDFS-12268
> URL: https://issues.apache.org/jira/browse/HDFS-12268
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Affects Versions: HDFS-7240
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Labels: ozoneMerge
> Attachments: HDFS-12268-HDFS-7240.001.patch,
> HDFS-12268-HDFS-7240.002.patch, HDFS-12268-HDFS-7240.003.patch,
> HDFS-12268-HDFS-7240.004.patch, HDFS-12268-HDFS-7240.005.patch,
> HDFS-12268-HDFS-7240.006.patch, HDFS-12268-HDFS-7240.007.patch
>
>
> As storage container async interface has been supported after HDFS-11580, we
> need to keep an eye on the queue depth of pending container requests. It can
> help us better found if there are some performance problems.
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