Elastic Search-Java.lang.OutOfMemoryError

问题描述 投票：0回答：1

我们经常在弹性搜索实例上获得“Out of Memory Exception”。 3台计算机位于具有类似配置的弹性搜索群集中。

环境：Windows Server 2012 R2 64位操作系统。 Ram：24gb弹性搜索：6.3.2 JVM堆大小（弹性搜索中的jvm.options）： - Xms16g -Xmx16g

我们已尝试使用2g（Xms2g和Xmx2g）和8g（Xms8g和Xmx8g）来获得最小和最大堆大小但最终出现相同的错误。

并根据以下链接https://www.elastic.co/guide/en/elasticsearch/guide/current/heap-sizing.html

我们尝试使用（Xms12g和Xmx12g）堆大小，即24gb RAM的50％，但仍然失败。

[2018-09-14T04:14:37,545][ERROR][o.e.b.ElasticsearchUncaughtExceptionHandler] [Machine1] fatal error in thread [elasticsearch[Machine1][refresh][T#2]], exiting java.lang.OutOfMemoryError: Java heap space     at org.apache.lucene.util.fst.BytesStore.writeByte(BytesStore.java:89) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.util.fst.FST.<init>(FST.java:265) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.util.fst.Builder.<init>(Builder.java:157) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter$PendingBlock.compileIndex(BlockTreeTermsWriter.java:456) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter$TermsWriter.writeBlocks(BlockTreeTermsWriter.java:633) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter$TermsWriter.finish(BlockTreeTermsWriter.java:934) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter.write(BlockTreeTermsWriter.java:346) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.write(PerFieldPostingsFormat.java:140) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.FreqProxTermsWriter.flush(FreqProxTermsWriter.java:108) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:162) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:452) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:557) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.DocumentsWriter.flushAllThreads(DocumentsWriter.java:673) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:453) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.StandardDirectoryReader.doOpenFromWriter(StandardDirectoryReader.java:293) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:268) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:258) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.FilterDirectoryReader.doOpenIfChanged(FilterDirectoryReader.java:104) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:140) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:156) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.search.SearcherManager.refreshIfNeeded(SearcherManager.java:58) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.search.ReferenceManager.doMaybeRefresh(ReferenceManager.java:176) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.search.ReferenceManager.maybeRefreshBlocking(ReferenceManager.java:253) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.elasticsearch.index.engine.InternalEngine$ExternalSearcherManager.refreshIfNeeded(InternalEngine.java:281) ~[elasticsearch-6.3.2.jar:6.3.2]  at org.elasticsearch.index.engine.InternalEngine$ExternalSearcherManager.refreshIfNeeded(InternalEngine.java:256) ~[elasticsearch-6.3.2.jar:6.3.2]  at org.apache.lucene.search.ReferenceManager.doMaybeRefresh(ReferenceManager.java:176) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.apache.lucene.search.ReferenceManager.maybeRefreshBlocking(ReferenceManager.java:253) ~[lucene-core-7.3.1.jar:7.3.1 ae0705edb59eaa567fe13ed3a222fdadc7153680
- caomanhdat - 2018-05-09 09:27:24]     at org.elasticsearch.index.engine.InternalEngine.refresh(InternalEngine.java:1356) ~[elasticsearch-6.3.2.jar:6.3.2]     at org.elasticsearch.index.engine.InternalEngine.refresh(InternalEngine.java:1335) ~[elasticsearch-6.3.2.jar:6.3.2]     at org.elasticsearch.index.shard.IndexShard.refresh(IndexShard.java:853) ~[elasticsearch-6.3.2.jar:6.3.2]   at org.elasticsearch.index.IndexService.maybeRefreshEngine(IndexService.java:696) ~[elasticsearch-6.3.2.jar:6.3.2]  at org.elasticsearch.index.IndexService.access$400(IndexService.java:97) ~[elasticsearch-6.3.2.jar:6.3.2]
windows elasticsearch
1个回答
0
投票

解决了。在使用堆大小（Xms12g和Xmx12g）更新jvm.options文件后，对于Windows机器，我们需要重新安装弹性搜索服务实例以反映堆大小的变化，根据链接https://www.elastic.co/guide/en/elasticsearch/reference/current/heap-size.html

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