[ https://issues.jboss.org/browse/TEIID-3106?page=com.atlassian.jira.plugin... ] Devesh Mishra edited comment on TEIID-3106 at 8/30/14 12:49 PM: ---------------------------------------------------------------- It still looked to loop around the remove, This is the thread which has consumed most of the cpu. 3XMTHREADINFO "BufferManager Cleaner" J9VMThread:0x0000004CBCED9100, j9thread_t:0x0000004C9B9F5D60, java/lang/Thread:0x000000481C116478, state:CW, prio=5 3XMJAVALTHREAD (java/lang/Thread getId:0x7F, isDaemon:true) 3XMTHREADINFO1 (native thread ID:0x5506D400, native priority:0x5, native policy:UNKNOWN) 3XMHEAPALLOC Heap bytes allocated since last GC cycle=376012832 (0x16698020) 3XMTHREADINFO3 Java callstack: 4XESTACKTRACE at java/util/concurrent/ConcurrentSkipListMap.remove(ConcurrentSkipListMap.java:1659(Compiled Code)) 4XESTACKTRACE at org/teiid/common/buffer/impl/LrfuEvictionQueue.remove(LrfuEvictionQueue.java:60(Compiled Code)) 4XESTACKTRACE at org/teiid/common/buffer/impl/BufferManagerImpl.doEvictions(BufferManagerImpl.java:855(Compiled Code)) 5XESTACKTRACE (entered lock: org/teiid/common/buffer/CacheEntry@0x000000483A574070, entry count: 1) 4XESTACKTRACE at org/teiid/common/buffer/impl/BufferManagerImpl$Cleaner.run(BufferManagerImpl.java:108) 4XESTACKTRACE at java/util/TimerThread.mainLoop(Timer.java:555) 4XESTACKTRACE at java/util/TimerThread.run(Timer.java:505) 3XMTHREADINFO3 No native callstack available on this platform NULL was (Author: deveshmishra): It still looked to loop around the remove, but the dump shows the following. This is the thread which has consumed most of the cpu. 3XMTHREADINFO "BufferManager Cleaner" J9VMThread:0x0000004CB725DC00, j9thread_t:0x0000004CA3A3A720, java/lang/Thread:0x000000481C0E6330, state:CW, prio=5 3XMJAVALTHREAD (java/lang/Thread getId:0x7F, isDaemon:true) 3XMTHREADINFO1 (native thread ID:0x5508B800, native priority:0x5, native policy:UNKNOWN) 3XMHEAPALLOC Heap bytes allocated since last GC cycle=113578488 (0x6C511F8) 3XMTHREADINFO3 Java callstack: 4XESTACKTRACE at java/io/FileOutputStream.writeBytes(Native Method) 4XESTACKTRACE at java/io/FileOutputStream.write(FileOutputStream.java:318(Compiled Code)) 4XESTACKTRACE at java/io/BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82(Compiled Code)) 4XESTACKTRACE at java/io/BufferedOutputStream.write(BufferedOutputStream.java:95(Compiled Code)) 5XESTACKTRACE (entered lock: java/io/BufferedOutputStream@0x0000004845728470, entry count: 1) -- This message was sent by Atlassian JIRA (v6.3.1#6329)