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    <title>topic Win32NetBIOS lead to 100%CPU usage? in Alfresco Archive</title>
    <link>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214275#M167405</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Hello,&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;My Alfresco is alfresco community 3.2r,it runs under windows server 2008 64 bit with 6 G memory.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;I have inserted 2 million records into alfresco in many days.During the inserting process if the alfresco is running about 20 hours,&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;the cpu usage of JVM will jump to 100% and didn't drop even suspended the inserting process.The computer will become very slow.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I have been using HotThread or jstack to trace what happen inside.It show the following :&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;182.8% CPU Usage by Thread 'Sess_W0_LSN1'&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; 9/10 snapshots sharing following 4 elements&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.jlan.netbios.win32.Win32NetBIOS.Receive(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.jlan.smb.server.win32.Win32NetBIOSPacketHandler.readPacket(Win32NetBIOSPacketHandler.java:133)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.jlan.smb.server.SMBSrvSession.run(SMBSrvSession.java:1264)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.lang.Thread.run(Thread.java:619)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; Unique snapshot&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.jlan.smb.server.SMBSrvSession.run(SMBSrvSession.java:1295)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.lang.Thread.run(Thread.java:619)&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;53.1% CPU Usage by Thread 'indexThread4'&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; 2/10 snapshots sharing following 22 elements&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.io.RandomAccessFile.readBytes(Native Method)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.io.RandomAccessFile.read(RandomAccessFile.java:322)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.store.FSDirectory$FSIndexInput.readInternal(FSDirectory.java:596)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.store.BufferedIndexInput.readBytes(BufferedIndexInput.java:136)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.CompoundFileReader$CSIndexInput.readInternal(CompoundFileReader.java:247)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.store.BufferedIndexInput.refill(BufferedIndexInput.java:157)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.store.BufferedIndexInput.readBytes(BufferedIndexInput.java:116)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.store.BufferedIndexInput.readBytes(BufferedIndexInput.java:92)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.TermBuffer.read(TermBuffer.java:82)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentTermEnum.next(SegmentTermEnum.java:127)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMergeInfo.next(SegmentMergeInfo.java:65)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.mergeTermInfos(SegmentMerger.java:554)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:500)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:116)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.IndexWriter.addIndexes(IndexWriter.java:3220)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$Merger.mergeIndexes(IndexInfo.java:3810)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$Merger.runImpl(IndexInfo.java:3223)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$AbstractSchedulable.run(IndexInfo.java:3059)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.lang.Thread.run(Thread.java:619)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; 3/10 snapshots sharing following 12 elements&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.mergeTermInfo(SegmentMerger.java:586)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.mergeTermInfos(SegmentMerger.java:547)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:500)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:116)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.IndexWriter.addIndexes(IndexWriter.java:3220)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$Merger.mergeIndexes(IndexInfo.java:3810)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$Merger.runImpl(IndexInfo.java:3223)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$AbstractSchedulable.run(IndexInfo.java:3059)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.lang.Thread.run(Thread.java:619)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; 3/10 snapshots sharing following 12 elements&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.mergeTermInfo(SegmentMerger.java:594)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.mergeTermInfos(SegmentMerger.java:547)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:500)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:116)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.IndexWriter.addIndexes(IndexWriter.java:3220)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$Merger.mergeIndexes(IndexInfo.java:3810)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$Merger.runImpl(IndexInfo.java:3223)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$AbstractSchedulable.run(IndexInfo.java:3059)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.lang.Thread.run(Thread.java:619)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp; 2/10 snapshots sharing following 10 elements&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:500)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:116)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.apache.lucene.index.IndexWriter.addIndexes(IndexWriter.java:3220)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$Merger.mergeIndexes(IndexInfo.java:3810)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$Merger.runImpl(IndexInfo.java:3223)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; org.alfresco.repo.search.impl.lucene.index.IndexInfo$AbstractSchedulable.run(IndexInfo.java:3059)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; java.lang.Thread.run(Thread.java:619)&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;It may be the &lt;/SPAN&gt;&lt;STRONG&gt;Win32NetBIOS &lt;/STRONG&gt;&lt;SPAN&gt; problem.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;I search a bit,suggested to copying Win32NetBIOS.dll,Win32NetBIOSx64.dll,Win32Utils.dll,Win32Utilsx64.dll in C:\alfresco\bin&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;to C:\windows\system32 directory.But it doesn't help. Are there any solution on this,Please help?&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;thanks&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Mon, 26 Apr 2010 10:00:47 GMT</pubDate>
    <dc:creator>alvisccc</dc:creator>
    <dc:date>2010-04-26T10:00:47Z</dc:date>
    <item>
      <title>Win32NetBIOS lead to 100%CPU usage?</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214275#M167405</link>
      <description>Hello,My Alfresco is alfresco community 3.2r,it runs under windows server 2008 64 bit with 6 G memory.I have inserted 2 million records into alfresco in many days.During the inserting process if the alfresco is running about 20 hours,the cpu usage of JVM will jump to 100% and didn't drop even suspen</description>
      <pubDate>Mon, 26 Apr 2010 10:00:47 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214275#M167405</guid>
      <dc:creator>alvisccc</dc:creator>
      <dc:date>2010-04-26T10:00:47Z</dc:date>
    </item>
    <item>
      <title>Re: Win32NetBIOS lead to 100%CPU usage?</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214276#M167406</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Please configure your smb(File server subsystem).&lt;/SPAN&gt;&lt;A href="http://wiki.alfresco.com/wiki/File_Server_Subsystem" rel="nofollow noopener noreferrer"&gt;http://wiki.alfresco.com/wiki/File_Server_Subsystem&lt;/A&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 27 Apr 2010 14:31:10 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214276#M167406</guid>
      <dc:creator>arun5s</dc:creator>
      <dc:date>2010-04-27T14:31:10Z</dc:date>
    </item>
    <item>
      <title>Re: Win32NetBIOS lead to 100%CPU usage?</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214277#M167407</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Can i disable smb alfresco server,by typing cifs.enabled=false in file-server.properties file .It's that correct ?&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 28 Apr 2010 09:38:33 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214277#M167407</guid>
      <dc:creator>alvisccc</dc:creator>
      <dc:date>2010-04-28T09:38:33Z</dc:date>
    </item>
    <item>
      <title>Re: Win32NetBIOS lead to 100%CPU usage?</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214278#M167408</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;this should be correct.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Regards,&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Markus&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 28 Apr 2010 11:00:09 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214278#M167408</guid>
      <dc:creator>sfreeper</dc:creator>
      <dc:date>2010-04-28T11:00:09Z</dc:date>
    </item>
    <item>
      <title>Re: Win32NetBIOS lead to 100%CPU usage?</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214279#M167409</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Hi,&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I am also facing the same issue , indexing&amp;nbsp; increases and&amp;nbsp; cpu utilization goes to 100%.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;How did you solve the issue.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Thanks,&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Amita&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 29 Jul 2011 09:34:21 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/win32netbios-lead-to-100-cpu-usage/m-p/214279#M167409</guid>
      <dc:creator>amitabhandari1</dc:creator>
      <dc:date>2011-07-29T09:34:21Z</dc:date>
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