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[equinox-dev] performance problems with Eclipse startup due to long DirectoryWatcher.poll() (25 minutes!)
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Hi
I have an Eclipse 3.4.1 install (of ~3000 plug-ins), that's starting for
about 25minutes. Most of this time is spent in
org.eclipse.equinox.internal.p2.reconciler.dropins.Activator.start()
calling (indirectly) DirectoryWatcher.poll().
Looking at several coredumps collected during this startup time it seems
that all threads wait() or sleep() and only "Start Level Event Dispatcher"
is working. All the time this thread is writing some XML. (See it's
stacktrace below)
Is this expected behaviour? What XML is actually written?
I also notice that p2 directory has about 600mb.
I was looking for bugs with similar stack traces, but with no luck so
far - should I open new?
thanks
Jacek
stacktrace:
3XMTHREADINFO "Start Level Event Dispatcher" TID:0x4274C100,
j9thread_t:0x0001BA70, state:CW, prio=5
3XMTHREADINFO1 (native thread ID:0x890, native priority:0x5,
native policy:UNKNOWN)
4XESTACKTRACE at java/io/OutputStreamWriter.write(Bytecode
PC:71(Compiled Code))
4XESTACKTRACE at java/io/PrintWriter.write(Bytecode
PC:71(Compiled Code))
4XESTACKTRACE at java/io/PrintWriter.write(Bytecode
PC:71(Compiled Code))
4XESTACKTRACE at java/io/PrintWriter.print(Bytecode
PC:71(Compiled Code))
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/persistence/XMLWriter.print(Bytecode
PC:71(Compiled Code))
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/persistence/XMLWriter.start(Bytecode
PC:71(Compiled Code))
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/persistence/XMLWriter.writeProperty(Bytecode
PC:71(Compiled Code))
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/persistence/XMLWriter.writeProperties(Bytecode
PC:70(Compiled Code))
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/persistence/XMLWriter.writeProperties(Bytecode
PC:4(Compiled Code))
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/artifact/repository/simple/SimpleArtifactRepositoryIO$Writer.writeArtifacts(Bytecode
PC:102(Compiled Code))
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/artifact/repository/simple/SimpleArtifactRepositoryIO$Writer.write(Bytecode
PC:77(Compiled Code))
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/artifact/repository/simple/SimpleArtifactRepositoryIO.write(Bytecode
PC:25)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/artifact/repository/simple/SimpleArtifactRepository.save(Bytecode
PC:214(Compiled Code))
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/artifact/repository/simple/SimpleArtifactRepository.save(Bytecode
PC:24)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/artifact/repository/simple/SimpleArtifactRepository.removeDescriptor(Bytecode
PC:9)
4XESTACKTRACE at
org/eclipse/equinox/internal/provisional/p2/directorywatcher/RepositoryListener.synchronizeArtifactRepository(Bytecode
PC:105)
4XESTACKTRACE at
org/eclipse/equinox/internal/provisional/p2/directorywatcher/RepositoryListener.stopPoll(Bytecode
PC:92)
4XESTACKTRACE at
org/eclipse/equinox/internal/provisional/p2/directorywatcher/DirectoryWatcher.stopPoll(Bytecode
PC:34)
4XESTACKTRACE at
org/eclipse/equinox/internal/provisional/p2/directorywatcher/DirectoryWatcher.poll(Bytecode
PC:9)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/extensionlocation/ExtensionLocationArtifactRepository.ensureInitialized(Bytecode
PC:80)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/extensionlocation/ExtensionLocationArtifactRepository.getProperties(Bytecode
PC:1)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/artifact/repository/ArtifactRepositoryManager.addRepository(Bytecode
PC:108)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/artifact/repository/ArtifactRepositoryManager.loadRepository(Bytecode
PC:106)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/artifact/repository/ArtifactRepositoryManager.loadRepository(Bytecode
PC:5)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/reconciler/dropins/Activator.loadArtifactRepository(Bytecode
PC:66)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/reconciler/dropins/PlatformXmlListener.synchronizeConfiguration(Bytecode
PC:398)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/reconciler/dropins/PlatformXmlListener.stopPoll(Bytecode
PC:31)
4XESTACKTRACE at
org/eclipse/equinox/internal/provisional/p2/directorywatcher/DirectoryWatcher.stopPoll(Bytecode
PC:34)
4XESTACKTRACE at
org/eclipse/equinox/internal/provisional/p2/directorywatcher/DirectoryWatcher.poll(Bytecode
PC:9)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/reconciler/dropins/Activator.watchConfiguration(Bytecode
PC:224)
4XESTACKTRACE at
org/eclipse/equinox/internal/p2/reconciler/dropins/Activator.start(Bytecode
PC:127)
4XESTACKTRACE at
org/eclipse/osgi/framework/internal/core/BundleContextImpl$2.run(Bytecode
PC:58)
4XESTACKTRACE at
java/security/AccessController.doPrivileged(Bytecode PC:3(Compiled Code))
4XESTACKTRACE at
org/eclipse/osgi/framework/internal/core/BundleContextImpl.startActivator(Bytecode
PC:22)
4XESTACKTRACE at
org/eclipse/osgi/framework/internal/core/BundleContextImpl.start(Bytecode
PC:23)
4XESTACKTRACE at
org/eclipse/osgi/framework/internal/core/BundleHost.startWorker(Bytecode
PC:381)
4XESTACKTRACE at
org/eclipse/osgi/framework/internal/core/AbstractBundle.resume(Bytecode
PC:22(Compiled Code))
4XESTACKTRACE at
org/eclipse/osgi/framework/internal/core/Framework.resumeBundle(Bytecode
PC:35(Compiled Code))
4XESTACKTRACE at
org/eclipse/osgi/framework/internal/core/StartLevelManager.resumeBundles(Bytecode
PC:91)
4XESTACKTRACE at
org/eclipse/osgi/framework/internal/core/StartLevelManager.incFWSL(Bytecode
PC:33)
4XESTACKTRACE at
org/eclipse/osgi/framework/internal/core/StartLevelManager.doSetStartLevel(Bytecode
PC:236)
4XESTACKTRACE at
org/eclipse/osgi/framework/internal/core/StartLevelManager.dispatchEvent(Bytecode
PC:45)
4XESTACKTRACE at
org/eclipse/osgi/framework/eventmgr/EventManager.dispatchEvent(Bytecode
PC:39(Compiled Code))
4XESTACKTRACE at
org/eclipse/osgi/framework/eventmgr/EventManager$EventThread.run(Bytecode
PC:26)
