hot threads elasticsearch

::: [Data 3-hot][AjvXKb4xS7OBafLJos6eNw][prod-factorics-es-data3][inet[/172.41.0.105:9300]]{box_type=hot, master=false}
   Hot threads at 2016-02-14T17:48:33.984Z, interval=500ms, busiestThreads=3, ignoreIdleThreads=true:

   34.4% (171.7ms out of 500ms) cpu usage by thread 'elasticsearch[Data 3-hot][bulk][T#2]'
     3/10 snapshots sharing following 22 elements
       org.apache.lucene.util.UnicodeUtil.UTF16toUTF8(UnicodeUtil.java:187)
       org.apache.lucene.util.BytesRef.<init>(BytesRef.java:84)
       org.elasticsearch.index.mapper.core.StringFieldMapper.parseCreateField(StringFieldMapper.java:294)
       org.elasticsearch.index.mapper.core.AbstractFieldMapper.parse(AbstractFieldMapper.java:401)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeValue(ObjectMapper.java:706)
       org.elasticsearch.index.mapper.object.ObjectMapper.parse(ObjectMapper.java:497)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeObject(ObjectMapper.java:554)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeNonDynamicArray(ObjectMapper.java:685)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeArray(ObjectMapper.java:604)
       org.elasticsearch.index.mapper.object.ObjectMapper.parse(ObjectMapper.java:489)
       org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:544)
       org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:493)
       org.elasticsearch.index.shard.IndexShard.prepareIndex(IndexShard.java:493)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardIndexOperation(TransportShardBulkAction.java:409)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardUpdateOperation(TransportShardBulkAction.java:515)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:232)
       org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase.performOnPrimary(TransportShardReplicationOperationAction.java:574)
       org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase$1.doRun(TransportShardReplicationOperationAction.java:440)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:36)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       java.lang.Thread.run(Thread.java:745)
     7/10 snapshots sharing following 16 elements
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeObject(ObjectMapper.java:554)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeNonDynamicArray(ObjectMapper.java:685)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeArray(ObjectMapper.java:604)
       org.elasticsearch.index.mapper.object.ObjectMapper.parse(ObjectMapper.java:489)
       org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:544)
       org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:493)
       org.elasticsearch.index.shard.IndexShard.prepareIndex(IndexShard.java:493)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardIndexOperation(TransportShardBulkAction.java:409)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardUpdateOperation(TransportShardBulkAction.java:515)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:232)
       org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase.performOnPrimary(TransportShardReplicationOperationAction.java:574)
       org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase$1.doRun(TransportShardReplicationOperationAction.java:440)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:36)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       java.lang.Thread.run(Thread.java:745)

   30.9% (154.3ms out of 500ms) cpu usage by thread 'elasticsearch[Data 3-hot][bulk][T#1]'
     3/10 snapshots sharing following 22 elements
       org.apache.lucene.util.UnicodeUtil.UTF16toUTF8(UnicodeUtil.java:187)
       org.apache.lucene.util.BytesRef.<init>(BytesRef.java:84)
       org.elasticsearch.index.mapper.core.StringFieldMapper.parseCreateField(StringFieldMapper.java:294)
       org.elasticsearch.index.mapper.core.AbstractFieldMapper.parse(AbstractFieldMapper.java:401)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeValue(ObjectMapper.java:706)
       org.elasticsearch.index.mapper.object.ObjectMapper.parse(ObjectMapper.java:497)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeObject(ObjectMapper.java:554)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeNonDynamicArray(ObjectMapper.java:685)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeArray(ObjectMapper.java:604)
       org.elasticsearch.index.mapper.object.ObjectMapper.parse(ObjectMapper.java:489)
       org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:544)
       org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:493)
       org.elasticsearch.index.shard.IndexShard.prepareIndex(IndexShard.java:493)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardIndexOperation(TransportShardBulkAction.java:409)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardUpdateOperation(TransportShardBulkAction.java:515)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:232)
       org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase.performOnPrimary(TransportShardReplicationOperationAction.java:574)
       org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase$1.doRun(TransportShardReplicationOperationAction.java:440)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:36)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       java.lang.Thread.run(Thread.java:745)
     2/10 snapshots sharing following 22 elements
       org.elasticsearch.index.mapper.core.IntegerFieldMapper.addIntegerFields(IntegerFieldMapper.java:314)
       org.elasticsearch.index.mapper.core.IntegerFieldMapper.innerParseCreateField(IntegerFieldMapper.java:304)
       org.elasticsearch.index.mapper.core.NumberFieldMapper.parseCreateField(NumberFieldMapper.java:239)
       org.elasticsearch.index.mapper.core.AbstractFieldMapper.parse(AbstractFieldMapper.java:401)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeValue(ObjectMapper.java:706)
       org.elasticsearch.index.mapper.object.ObjectMapper.parse(ObjectMapper.java:497)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeObject(ObjectMapper.java:554)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeNonDynamicArray(ObjectMapper.java:685)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeArray(ObjectMapper.java:604)
       org.elasticsearch.index.mapper.object.ObjectMapper.parse(ObjectMapper.java:489)
       org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:544)
       org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:493)
       org.elasticsearch.index.shard.IndexShard.prepareIndex(IndexShard.java:493)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardIndexOperation(TransportShardBulkAction.java:409)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardUpdateOperation(TransportShardBulkAction.java:515)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:232)
       org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase.performOnPrimary(TransportShardReplicationOperationAction.java:574)
       org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase$1.doRun(TransportShardReplicationOperationAction.java:440)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:36)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       java.lang.Thread.run(Thread.java:745)
     5/10 snapshots sharing following 16 elements
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeObject(ObjectMapper.java:554)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeNonDynamicArray(ObjectMapper.java:685)
       org.elasticsearch.index.mapper.object.ObjectMapper.serializeArray(ObjectMapper.java:604)
       org.elasticsearch.index.mapper.object.ObjectMapper.parse(ObjectMapper.java:489)
       org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:544)
       org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:493)
       org.elasticsearch.index.shard.IndexShard.prepareIndex(IndexShard.java:493)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardIndexOperation(TransportShardBulkAction.java:409)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardUpdateOperation(TransportShardBulkAction.java:515)
       org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:232)
       org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase.performOnPrimary(TransportShardReplicationOperationAction.java:574)
       org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$PrimaryPhase$1.doRun(TransportShardReplicationOperationAction.java:440)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:36)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       java.lang.Thread.run(Thread.java:745)

   20.1% (100.7ms out of 500ms) cpu usage by thread 'elasticsearch[Data 3-hot][refresh][T#1]'
     2/10 snapshots sharing following 25 elements
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addNumericField(Lucene410DocValuesConsumer.java:159)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addSortedField(Lucene410DocValuesConsumer.java:472)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addSortedSetField(Lucene410DocValuesConsumer.java:500)
       org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addSortedSetField(PerFieldDocValuesFormat.java:127)
       org.apache.lucene.index.SortedSetDocValuesWriter.flush(SortedSetDocValuesWriter.java:164)
       org.apache.lucene.index.DefaultIndexingChain.writeDocValues(DefaultIndexingChain.java:145)
       org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:95)
       org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:441)
       org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:521)
       org.apache.lucene.index.DocumentsWriter.flushAllThreads(DocumentsWriter.java:632)
       org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:410)
       org.apache.lucene.index.StandardDirectoryReader.doOpenFromWriter(StandardDirectoryReader.java:297)
       org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:272)
       org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262)
       org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:171)
       org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:118)
       org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:58)
       org.apache.lucene.search.ReferenceManager.doMaybeRefresh(ReferenceManager.java:176)
       org.apache.lucene.search.ReferenceManager.maybeRefreshBlocking(ReferenceManager.java:253)
       org.elasticsearch.index.engine.InternalEngine.refresh(InternalEngine.java:567)
       org.elasticsearch.index.shard.IndexShard.refresh(IndexShard.java:595)
       org.elasticsearch.index.shard.IndexShard$EngineRefresher$1.run(IndexShard.java:1186)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       java.lang.Thread.run(Thread.java:745)
     2/10 snapshots sharing following 30 elements
       org.apache.lucene.util.packed.PackedLongValues$Iterator.next(PackedLongValues.java:157)
       org.apache.lucene.index.SortedNumericDocValuesWriter$CountIterator.next(SortedNumericDocValuesWriter.java:173)
       org.apache.lucene.index.SortedNumericDocValuesWriter$CountIterator.next(SortedNumericDocValuesWriter.java:156)
       org.apache.lucene.codecs.DocValuesConsumer$10$1.next(DocValuesConsumer.java:860)
       org.apache.lucene.codecs.DocValuesConsumer$10$1.next(DocValuesConsumer.java:851)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addNumericField(Lucene410DocValuesConsumer.java:125)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addNumericField(Lucene410DocValuesConsumer.java:111)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addSortedNumericField(Lucene410DocValuesConsumer.java:482)
       org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addSortedNumericField(PerFieldDocValuesFormat.java:122)
       org.apache.lucene.index.SortedNumericDocValuesWriter.flush(SortedNumericDocValuesWriter.java:111)
       org.apache.lucene.index.DefaultIndexingChain.writeDocValues(DefaultIndexingChain.java:145)
       org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:95)
       org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:441)
       org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:521)
       org.apache.lucene.index.DocumentsWriter.flushAllThreads(DocumentsWriter.java:632)
       org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:410)
       org.apache.lucene.index.StandardDirectoryReader.doOpenFromWriter(StandardDirectoryReader.java:297)
       org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:272)
       org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262)
       org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:171)
       org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:118)
       org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:58)
       org.apache.lucene.search.ReferenceManager.doMaybeRefresh(ReferenceManager.java:176)
       org.apache.lucene.search.ReferenceManager.maybeRefreshBlocking(ReferenceManager.java:253)
       org.elasticsearch.index.engine.InternalEngine.refresh(InternalEngine.java:567)
       org.elasticsearch.index.shard.IndexShard.refresh(IndexShard.java:595)
       org.elasticsearch.index.shard.IndexShard$EngineRefresher$1.run(IndexShard.java:1186)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       java.lang.Thread.run(Thread.java:745)
     2/10 snapshots sharing following 24 elements
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addNumericField(Lucene410DocValuesConsumer.java:111)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addSortedNumericField(Lucene410DocValuesConsumer.java:482)
       org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addSortedNumericField(PerFieldDocValuesFormat.java:122)
       org.apache.lucene.index.SortedNumericDocValuesWriter.flush(SortedNumericDocValuesWriter.java:111)
       org.apache.lucene.index.DefaultIndexingChain.writeDocValues(DefaultIndexingChain.java:145)
       org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:95)
       org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:441)
       org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:521)
       org.apache.lucene.index.DocumentsWriter.flushAllThreads(DocumentsWriter.java:632)
       org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:410)
       org.apache.lucene.index.StandardDirectoryReader.doOpenFromWriter(StandardDirectoryReader.java:297)
       org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:272)
       org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262)
       org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:171)
       org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:118)
       org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:58)
       org.apache.lucene.search.ReferenceManager.doMaybeRefresh(ReferenceManager.java:176)
       org.apache.lucene.search.ReferenceManager.maybeRefreshBlocking(ReferenceManager.java:253)
       org.elasticsearch.index.engine.InternalEngine.refresh(InternalEngine.java:567)
       org.elasticsearch.index.shard.IndexShard.refresh(IndexShard.java:595)
       org.elasticsearch.index.shard.IndexShard$EngineRefresher$1.run(IndexShard.java:1186)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       java.lang.Thread.run(Thread.java:745)
     3/10 snapshots sharing following 26 elements
       org.apache.lucene.codecs.DocValuesConsumer$10$1.next(DocValuesConsumer.java:851)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addNumericField(Lucene410DocValuesConsumer.java:214)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addSortedField(Lucene410DocValuesConsumer.java:472)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addSortedSetField(Lucene410DocValuesConsumer.java:500)
       org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addSortedSetField(PerFieldDocValuesFormat.java:127)
       org.apache.lucene.index.SortedSetDocValuesWriter.flush(SortedSetDocValuesWriter.java:164)
       org.apache.lucene.index.DefaultIndexingChain.writeDocValues(DefaultIndexingChain.java:145)
       org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:95)
       org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:441)
       org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:521)
       org.apache.lucene.index.DocumentsWriter.flushAllThreads(DocumentsWriter.java:632)
       org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:410)
       org.apache.lucene.index.StandardDirectoryReader.doOpenFromWriter(StandardDirectoryReader.java:297)
       org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:272)
       org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262)
       org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:171)
       org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:118)
       org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:58)
       org.apache.lucene.search.ReferenceManager.doMaybeRefresh(ReferenceManager.java:176)
       org.apache.lucene.search.ReferenceManager.maybeRefreshBlocking(ReferenceManager.java:253)
       org.elasticsearch.index.engine.InternalEngine.refresh(InternalEngine.java:567)
       org.elasticsearch.index.shard.IndexShard.refresh(IndexShard.java:595)
       org.elasticsearch.index.shard.IndexShard$EngineRefresher$1.run(IndexShard.java:1186)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       java.lang.Thread.run(Thread.java:745)
     unique snapshot
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addNumericField(Lucene410DocValuesConsumer.java:164)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addSortedField(Lucene410DocValuesConsumer.java:472)
       org.apache.lucene.codecs.lucene410.Lucene410DocValuesConsumer.addSortedSetField(Lucene410DocValuesConsumer.java:500)
       org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addSortedSetField(PerFieldDocValuesFormat.java:127)
       org.apache.lucene.index.SortedSetDocValuesWriter.flush(SortedSetDocValuesWriter.java:164)
       org.apache.lucene.index.DefaultIndexingChain.writeDocValues(DefaultIndexingChain.java:145)
       org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:95)
       org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:441)
       org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:521)
       org.apache.lucene.index.DocumentsWriter.flushAllThreads(DocumentsWriter.java:632)
       org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:410)
       org.apache.lucene.index.StandardDirectoryReader.doOpenFromWriter(StandardDirectoryReader.java:297)
       org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:272)
       org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262)
       org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:171)
       org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:118)
       org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:58)
       org.apache.lucene.search.ReferenceManager.doMaybeRefresh(ReferenceManager.java:176)
       org.apache.lucene.search.ReferenceManager.maybeRefreshBlocking(ReferenceManager.java:253)
       org.elasticsearch.index.engine.InternalEngine.refresh(InternalEngine.java:567)
       org.elasticsearch.index.shard.IndexShard.refresh(IndexShard.java:595)
       org.elasticsearch.index.shard.IndexShard$EngineRefresher$1.run(IndexShard.java:1186)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       java.lang.Thread.run(Thread.java:745)