Elasticsearch存儲空間不夠致使索引只讀的解決方法

問題描述

今天發現當天的索引在ES中並無建立，logstash中不停的報錯：

[INFO ][logstash.outputs.elasticsearch] Retrying individual bulk actions that failed or were rejected by the previous bulk request. {:count=>1}
[INFO ][logstash.outputs.elasticsearch] retrying failed action with response code: 403 ({"type"=>"cluster_block_exception", "reason"=>"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"})

索引變成了只讀：

index read-only / allow delete (api)];"}

es報錯，es報錯也是索引只讀錯誤

[2018-08-23T17:30:35,546][WARN ][o.e.x.m.e.l.LocalExporter] unexpected error while indexing monitoring document
org.elasticsearch.xpack.monitoring.exporter.ExportException: ClusterBlockException[blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];]
	at org.elasticsearch.xpack.monitoring.exporter.local.LocalBulk.lambda$throwExportException$2(LocalBulk.java:134) ~[?:?]
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[?:1.8.0_144]
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) ~[?:1.8.0_144]
	at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[?:1.8.0_144]
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[?:1.8.0_144]
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[?:1.8.0_144]
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) ~[?:1.8.0_144]
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) ~[?:1.8.0_144]
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:1.8.0_144]
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) ~[?:1.8.0_144]
	at org.elasticsearch.xpack.monitoring.exporter.local.LocalBulk.throwExportException(LocalBulk.java:135) ~[?:?]
	at org.elasticsearch.xpack.monitoring.exporter.local.LocalBulk.lambda$doFlush$0(LocalBulk.java:118) ~[?:?]
	at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:59) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.ContextPreservingActionListener.onResponse(ContextPreservingActionListener.java:43) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.TransportAction$1.onResponse(TransportAction.java:85) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.TransportAction$1.onResponse(TransportAction.java:81) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.bulk.TransportBulkAction$BulkRequestModifier.lambda$wrapActionListenerIfNeeded$0(TransportBulkAction.java:571) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:59) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation$1.finishHim(TransportBulkAction.java:380) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation$1.onFailure(TransportBulkAction.java:375) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.TransportAction$1.onFailure(TransportAction.java:91) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.replication.TransportReplicationAction$ReroutePhase.finishAsFailed(TransportReplicationAction.java:908) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.replication.TransportReplicationAction$ReroutePhase.handleBlockException(TransportReplicationAction.java:826) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.replication.TransportReplicationAction$ReroutePhase.handleBlockExceptions(TransportReplicationAction.java:814) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.replication.TransportReplicationAction$ReroutePhase.doRun(TransportReplicationAction.java:712) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.replication.TransportReplicationAction.doExecute(TransportReplicationAction.java:169) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.replication.TransportReplicationAction.doExecute(TransportReplicationAction.java:97) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:167) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.apply(SecurityActionFilter.java:125) ~[?:?]
	at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:165) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:139) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:81) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation.doRun(TransportBulkAction.java:350) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.bulk.TransportBulkAction.executeBulk(TransportBulkAction.java:462) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.bulk.TransportBulkAction.doExecute(TransportBulkAction.java:175) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.bulk.TransportBulkAction.lambda$processBulkIndexIngestRequest$4(TransportBulkAction.java:514) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.ingest.PipelineExecutionService$2.doRun(PipelineExecutionService.java:98) [elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:638) [elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-6.0.0.jar:6.0.0]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_144]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_144]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144]
Caused by: org.elasticsearch.cluster.block.ClusterBlockException: blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];
	at org.elasticsearch.cluster.block.ClusterBlocks.indexBlockedException(ClusterBlocks.java:182) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.action.support.replication.TransportReplicationAction$ReroutePhase.handleBlockExceptions(TransportReplicationAction.java:812) ~[elasticsearch-6.0.0.jar:6.0.0]
	... 20 more

解決辦法

通過分析，發現是由於ES所在服務器磁盤空間過低引發，具體解決辦法以下：

在kibana開發控制檯執行下面語句便可：

PUT _settings
{
  "index": {
    "blocks": {
      "read_only_allow_delete": "false"
    }
  }
}

緣由

一旦在存儲超過95％的磁盤中的節點上分配了一個或多個分片的任何索引，該索引將被強制進入只讀模式

參考連接：https://www.aityp.com/%E8%A7%A3%E5%86%B3elasticsearch%E7%B4%A2%E5%BC%95%E5%8F%AA%E8%AF%BB/