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https://issues.apache.org/jira/browse/IGNITE-12104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16916574#comment-16916574
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Ignite TC Bot commented on IGNITE-12104:
----------------------------------------
{panel:title=Branch: [pull/6812/head] Base: [master] : No blockers
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
[TeamCity *--> Run :: All*
Results|https://ci.ignite.apache.org/viewLog.html?buildId=4538611&buildTypeId=IgniteTests24Java8_RunAll]
> Check deployment from cache before to load it from local or version storage
> ---------------------------------------------------------------------------
>
> Key: IGNITE-12104
> URL: https://issues.apache.org/jira/browse/IGNITE-12104
> Project: Ignite
> Issue Type: Improvement
> Reporter: Vladislav Pyatkov
> Assignee: Vladislav Pyatkov
> Priority: Major
> Fix For: 2.8
>
>
> In several cases, when using p2p class loading, consume a lot of time
> checking loader hierarchy.
> This scenario easy to see by that stack in samples of profile:
> {noformat}
> "pub-#3217917%DPL_GRID%DplGridNodeName%" #3223897 prio=5 os_prio=0
> tid=0x00007f47a414f800 nid=0x1dca46 runnable [0x00007eaca31b0000]
> java.lang.Thread.State: RUNNABLE
> at java.lang.String.concat(String.java:2034)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:364)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> - locked <0x00007f4c8dd6c888> (a java.lang.Object)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
> - locked <0x00007f4c8db4f530> (a java.lang.Object)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
> - locked <0x00007f4ba0138340> (a
> com.sbt.core.envelope.container.loader.NamedClassLoader)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
> - locked <0x00007f4ba012a800> (a
> com.sbt.core.envelope.container.loader.ImplClassLoader)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:348)
> at
> org.apache.ignite.internal.managers.deployment.GridDeploymentLocalStore.getDeployment(GridDeploymentLocalStore.java:191)
> at
> org.apache.ignite.internal.managers.deployment.GridDeploymentManager.getGlobalDeployment(GridDeploymentManager.java:462)
> at
> org.apache.ignite.internal.processors.job.GridJobProcessor.processJobExecuteRequest(GridJobProcessor.java:983)
> at
> org.apache.ignite.internal.processors.job.GridJobProcessor$JobExecutionListener.onMessage(GridJobProcessor.java:1921)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.invokeListener(GridIoManager.java:1556)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:1184)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.access$4200(GridIoManager.java:125)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager$9.run(GridIoManager.java:1091)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {noformat}
> We can to put down the issue by searching class from deployment cache (it
> will give a result if class was loaded earlier) before to go to class loader.
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