elasticsearch 内存溢出,节点崩溃
elasticsearch内存溢出.错误日志
fatal error in thread ], exiting
java.lang.OutOfMemoryError: Java heap space
fatal error on the network layer
at org.elasticsearch.transport.netty4.Netty4Utils.maybeDie(Netty4Utils.java:140)
at org.elasticsearch.transport.netty4.Netty4MessageChannelHandler.exceptionCaught(Netty4MessageChannelHandler.java:83)
at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:286)
at io.netty.channel.AbstractChannelHandlerContext.notifyHandlerException(AbstractChannelHandlerContext.java:851)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:280)
配置信息
jvm.options
-Xms6g
-Xmx6g
此处未超过内存的50%
elasticsearch.yml
限制fielddata 上限
indices.fielddata.cache.size:20%
##参考链接
https://www.elastic.co/guide/cn/elasticsearch/guide/current/_limiting_memory_usage.html
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