Elasticsearch提示low disk watermark [85%] exceeded on [UTyrLH40Q9uIzHzX-yMFXg][Sonofelice][/Users/baid...
mac本地启动es之后发现运行一段时间一分钟就能打印好几条info日志:
[2018-03-13T10:15:42,497][INFO ][o.e.c.r.a.DiskThresholdMonitor] [Sonofelice] low disk watermark [85%] exceeded on [UTyrLH40Q9uIzHzX-yMFXg][Sonofelice][/Users/baidu/Documents/work/soft/data/nodes/0] free: 15.2gb[13.4%], replicas will not be assigned to this node [2018-03-13T10:16:12,505][INFO ][o.e.c.r.a.DiskThresholdMonitor] [Sonofelice] low disk watermark [85%] exceeded on [UTyrLH40Q9uIzHzX-yMFXg][Sonofelice][/Users/baidu/Documents/work/soft/data/nodes/0] free: 15.2gb[13.4%], replicas will not be assigned to this node
看日志的意思就是,节点sonofelice上的磁盘空间使用率超过了85%,空闲15.2gb,占总磁盘空间的13.4%。将不会在该节点上分配副本了。
虽然不影响es的正常功能使用,但是打印一堆日志够烦的,看一下是什么原因呢,能不能关掉。
第一种方式,是简单粗暴的在elasticsearch.yml文件中直接加入下面一行命令:
cluster.routing.allocation.disk.threshold_enabled: false 第二种方式,则是自己控制磁盘空间使用率超过多少的时候不再分配副本。默认是85%,所以才会有上面的日志
cluster.routing.allocation.disk.threshold_enabled: true cluster.routing.allocation.disk.watermark.low: 30gb cluster.routing.allocation.disk.watermark.high: 20gb
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