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elasticsearch の oci-cluster.log で ' 開いているファイルが多すぎます ' というエラーが発生しました

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Category:
oncommand-insight
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oci
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に適用されます

  • OnCommand Insight 7.3.
  • Red Hat Enterprise Linux(RHEL)

問題

OnCommand Insight Web GUI が応答しないか、または完全にロードされていません。
elasticsearch の oci-cluster.log に ' 開いているファイルが多すぎます ' というエラーが含まれています。次の例を参照してください。
      [DEBUG][o.e.a.a.i.s.TransportIndicesStatsA ction] [xxx.xxx.local] [indices:monitor/stats] failed to execute operation for shard [[oci-inventory-qtree-2018-04-02-12-48][1], node[gtIfs6jjQdmsxx5Ji4Uo7g], [P], s[STARTED], a[id=2YH5gjjRQk-ooHjtZr3uhg]]
      org.elasticsearch.ElasticsearchException: failed to refresh store stats
       at org.elasticsearch.index.store.Store$StoreStatsCache.refresh(Store.java:1393) ~[elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.index.store.Store$StoreStatsCache.refresh(Store.java:1378) ~[elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.common.util.SingleObjectCache.getOrRefresh(SingleObjectCache.java:54) ~[elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.index.store.Store.stats(Store.java:332) ~[elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.index.shard.IndexShard.storeStats(IndexShard.java:703) ~[elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.action.admin.indices.stats.CommonStats.<init>(CommonStats.java:177) ~[elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.action.admin.indices.stats.TransportIndicesStatsAction.shardOperation(TransportIndicesStatsAction.java:163) ~[elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.action.admin.indices.stats.TransportIndicesStatsAction.shardOperation(TransportIndicesStatsAction.java:47) ~[elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction$BroadcastByNodeTransportRequestHandler.onShardOperati on(TransportBroadcastByNodeAction.java:433) [elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction$BroadcastByNodeTransportRequestHandler.messageReceive d(TransportBroadcastByNodeAction.java:412) [elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction$BroadcastByNodeTransportRequestHandler.messageReceive d(TransportBroadcastByNodeAction.java:399) [elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.transport.TransportRequestHandler.messageReceived(TransportRequestHandler.java:33) [elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:69) [elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.transport.TransportService$7.doRun(TransportService.java:644) [elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:638) [elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-5.6.3.jar:5.6.3]
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_162]
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_162]
       at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162]
      Caused by: java.nio.file.FileSystemException: /var/lib/netapp/oci/elasticsearch/nodes/0/indices/tKE39cPAR5CG88PIDruJRg/1/index: Too many open files
       at sun.nio.fs.UnixException.translateToIOException(UnixException.java:91) ~[?:?]
       at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) ~[?:?]
       at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) ~[?:?]
       at sun.nio.fs.UnixFileSystemProvider.newDirectoryStream(UnixFileSystemProvider.java:427) ~[?:?]
       at java.nio.file.Files.newDirectoryStream(Files.java:457) ~[?:1.8.0_162]
       at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:215) ~[lucene-core-6.6.1.jar:6.6.1 9aa465a89b64ff2dabe7b4d50c472de32c298683 - varunthacker - 2017-08-29 21:54:39]
       at org.apache.lucene.store.FSDirectory.listAll(FSDirectory.java:234) ~[lucene-core-6.6.1.jar:6.6.1 9aa465a89b64ff2dabe7b4d50c472de32c298683 - varunthacker - 2017-08-29 21:54:39]
       at org.apache.lucene.store.FilterDirectory.listAll(FilterDirectory.java:57) ~[lucene-core-6.6.1.jar:6.6.1 9aa465a89b64ff2dabe7b4d50c472de32c298683 - varunthacker - 2017-08-29 21:54:39]
       at org.apache.lucene.store.FilterDirectory.listAll(FilterDirectory.java:57) ~[lucene-core-6.6.1.jar:6.6.1 9aa465a89b64ff2dabe7b4d50c472de32c298683 - varunthacker - 2017-08-29 21:54:39]
       at org.elasticsearch.index.store.Store$StoreStatsCache.estimateSize(Store.java:1399) ~[elasticsearch-5.6.3.jar:5.6.3]
       at org.elasticsearch.index.store.Store$StoreStatsCache.refresh(Store.java:1391) ~[elasticsearch-5.6.3.jar:5.6.3]

 

 

 

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