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| ##################################################### | |
| # Normally I get somthing like this during a spike: # | |
| ##################################################### | |
| 7.3% (730.4ms out of 10s) cpu usage by thread 'elasticsearch[vlas-p-log-1][management][T#4]' | |
| 10/10 snapshots sharing following 9 elements | |
| sun.misc.Unsafe.park(Native Method) | |
| java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) | |
| java.util.concurrent.LinkedTransferQueue.awaitMatch(LinkedTransferQueue.java:731) | |
| java.util.concurrent.LinkedTransferQueue.xfer(LinkedTransferQueue.java:644) | |
| java.util.concurrent.LinkedTransferQueue.poll(LinkedTransferQueue.java:1145) | |
| java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) | |
| java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) | |
| java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) | |
| java.lang.Thread.run(Thread.java:744) | |
| 7.1% (705.3ms out of 10s) cpu usage by thread 'elasticsearch[vlas-p-log-1][management][T#3]' | |
| 10/10 snapshots sharing following 9 elements | |
| sun.misc.Unsafe.park(Native Method) | |
| java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) | |
| java.util.concurrent.LinkedTransferQueue.awaitMatch(LinkedTransferQueue.java:731) | |
| java.util.concurrent.LinkedTransferQueue.xfer(LinkedTransferQueue.java:644) | |
| java.util.concurrent.LinkedTransferQueue.poll(LinkedTransferQueue.java:1145) | |
| java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) | |
| java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) | |
| java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) | |
| java.lang.Thread.run(Thread.java:744) | |
| 6.6% (661.3ms out of 10s) cpu usage by thread 'elasticsearch[vlas-p-log-1][management][T#2]' | |
| 10/10 snapshots sharing following 9 elements | |
| sun.misc.Unsafe.park(Native Method) | |
| java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) | |
| java.util.concurrent.LinkedTransferQueue.awaitMatch(LinkedTransferQueue.java:731) | |
| java.util.concurrent.LinkedTransferQueue.xfer(LinkedTransferQueue.java:644) | |
| java.util.concurrent.LinkedTransferQueue.poll(LinkedTransferQueue.java:1145) | |
| java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) | |
| java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) | |
| java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) | |
| java.lang.Thread.run(Thread.java:744) | |
| ########################################################### | |
| # However, I have occasionally gotten some other results: # | |
| ########################################################### | |
| 98.8% (493.9ms out of 500ms) cpu usage by thread 'elasticsearch[vlas-p-log-1][[graylog2_196][3]: Lucene Merge Thread #76]' | |
| 2/10 snapshots sharing following 12 elements | |
| org.apache.lucene.codecs.compressing.LZ4.compress(LZ4.java:243) | |
| org.apache.lucene.codecs.compressing.CompressionMode$LZ4FastCompressor.compress(CompressionMode.java:161) | |
| org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.flush(CompressingStoredFieldsWriter.java:236) | |
| org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.finishDocument(CompressingStoredFieldsWriter.java:166) | |
| org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.merge(CompressingStoredFieldsWriter.java:388) | |
| org.apache.lucene.index.SegmentMerger.mergeFields(SegmentMerger.java:332) | |
| org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:100) | |
| org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4225) | |
| org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3820) | |
| org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:405) | |
| org.apache.lucene.index.TrackingConcurrentMergeScheduler.doMerge(TrackingConcurrentMergeScheduler.java:106) | |
| org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:482) | |
| 2/10 snapshots sharing following 10 elements | |
| org.apache.lucene.codecs.compressing.CompressionMode$4.decompress(CompressionMode.java:135) | |
| org.apache.lucene.codecs.compressing.CompressingStoredFieldsReader$ChunkIterator.decompress(CompressingStoredFieldsReader.java:501) | |
| org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.merge(CompressingStoredFieldsWriter.java:378) | |
| org.apache.lucene.index.SegmentMerger.mergeFields(SegmentMerger.java:332) | |
| org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:100) | |
| org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4225) | |
| org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3820) | |
| org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:405) | |
| org.apache.lucene.index.TrackingConcurrentMergeScheduler.doMerge(TrackingConcurrentMergeScheduler.java:106) | |
| org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:482) | |
| 6/10 snapshots sharing following 8 elements | |
| org.apache.lucene.codecs.FieldsConsumer.merge(FieldsConsumer.java:72) | |
| org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:399) | |
| org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:112) | |
| org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4225) | |
| org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3820) | |
| org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:405) | |
| org.apache.lucene.index.TrackingConcurrentMergeScheduler.doMerge(TrackingConcurrentMergeScheduler.java:106) | |
| org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:482) | |
| 2.5% (12.6ms out of 500ms) cpu usage by thread 'elasticsearch[vlas-p-log-1][refresh][T#1]' | |
| 10/10 snapshots sharing following 9 elements | |
| sun.misc.Unsafe.park(Native Method) | |
| java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) | |
| java.util.concurrent.LinkedTransferQueue.awaitMatch(LinkedTransferQueue.java:731) | |
| java.util.concurrent.LinkedTransferQueue.xfer(LinkedTransferQueue.java:644) | |
| java.util.concurrent.LinkedTransferQueue.poll(LinkedTransferQueue.java:1145) | |
| java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) | |
| java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) | |
| java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) | |
| java.lang.Thread.run(Thread.java:744) | |
| 0.3% (1.7ms out of 500ms) cpu usage by thread 'elasticsearch[vlas-p-log-1][scheduler][T#1]' | |
| 10/10 snapshots sharing following 9 elements | |
| sun.misc.Unsafe.park(Native Method) | |
| java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) | |
| java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2082) | |
| java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1090) | |
| java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:807) | |
| java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) | |
| java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) | |
| java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) | |
| ###### | |
| # Or # | |
| ###### | |
| 49.2% (246.1ms out of 500ms) cpu usage by thread 'elasticsearch[vaus-p-log-1][management][T#1]' | |
| 2/10 snapshots sharing following 6 elements | |
| org.elasticsearch.action.support.broadcast.TransportBroadcastOperationAction$ShardTransportHandler.messageReceived(TransportBroadcastOperationAction.java:338) | |
| org.elasticsearch.action.support.broadcast.TransportBroadcastOperationAction$ShardTransportHandler.messageReceived(TransportBroadcastOperationAction.java:324) | |
| org.elasticsearch.transport.netty.MessageChannelHandler$RequestHandler.run(MessageChannelHandler.java:275) | |
| java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) | |
| java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) | |
| java.lang.Thread.run(Thread.java:744) | |
| 8/10 snapshots sharing following 9 elements | |
| sun.misc.Unsafe.park(Native Method) | |
| java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) | |
| java.util.concurrent.LinkedTransferQueue.awaitMatch(LinkedTransferQueue.java:731) | |
| java.util.concurrent.LinkedTransferQueue.xfer(LinkedTransferQueue.java:644) | |
| java.util.concurrent.LinkedTransferQueue.poll(LinkedTransferQueue.java:1145) | |
| java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) | |
| java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) | |
| java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) | |
| java.lang.Thread.run(Thread.java:744) | |
| 49.0% (245.2ms out of 500ms) cpu usage by thread 'elasticsearch[vaus-p-log-1][management][T#3]' | |
| 2/10 snapshots sharing following 12 elements | |
| org.elasticsearch.index.store.Store.stats(Store.java:184) | |
| org.elasticsearch.index.shard.service.InternalIndexShard.storeStats(InternalIndexShard.java:524) | |
| org.elasticsearch.action.admin.indices.stats.CommonStats.<init>(CommonStats.java:130) | |
| org.elasticsearch.action.admin.indices.stats.ShardStats.<init>(ShardStats.java:49) | |
| org.elasticsearch.action.admin.indices.stats.TransportIndicesStatsAction.shardOperation(TransportIndicesStatsAction.java:195) | |
| org.elasticsearch.action.admin.indices.stats.TransportIndicesStatsAction.shardOperation(TransportIndicesStatsAction.java:53) | |
| org.elasticsearch.action.support.broadcast.TransportBroadcastOperationAction$ShardTransportHandler.messageReceived(TransportBroadcastOperationAction.java:338) | |
| org.elasticsearch.action.support.broadcast.TransportBroadcastOperationAction$ShardTransportHandler.messageReceived(TransportBroadcastOperationAction.java:324) | |
| org.elasticsearch.transport.netty.MessageChannelHandler$RequestHandler.run(MessageChannelHandler.java:275) | |
| java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) | |
| java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) | |
| java.lang.Thread.run(Thread.java:744) | |
| 8/10 snapshots sharing following 9 elements | |
| sun.misc.Unsafe.park(Native Method) | |
| java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) | |
| java.util.concurrent.LinkedTransferQueue.awaitMatch(LinkedTransferQueue.java:731) | |
| java.util.concurrent.LinkedTransferQueue.xfer(LinkedTransferQueue.java:644) | |
| java.util.concurrent.LinkedTransferQueue.poll(LinkedTransferQueue.java:1145) | |
| java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) | |
| java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) | |
| java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) | |
| java.lang.Thread.run(Thread.java:744) |
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