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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. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org