Cpu load high ,cpu usage by thread 'elasticsearch[node-1][management]


(changxy) #1

what is meaning of management thread ? and possible reasons

_nodes/hot_threads

85.2% (426ms out of 500ms) cpu usage by thread 'elasticsearch[node-2][management][T#5]'
6/10 snapshots sharing following 38 elements
java.io.UnixFileSystem.canonicalize0(Native Method)
java.io.UnixFileSystem.canonicalize(UnixFileSystem.java:172)
java.io.File.getCanonicalPath(File.java:618)

85.4% (427.2ms out of 500ms) cpu usage by thread 'elasticsearch[node-1][management][T#5]'
2/10 snapshots sharing following 31 elements
sun.nio.fs.UnixNativeDispatcher.stat0(Native Method)
sun.nio.fs.UnixNativeDispatcher.stat(UnixNativeDispatcher.java:286)


(Mark Walkom) #2

Depends.
What version are you on? How big is your cluster?


(changxy) #3

version 2.3.0,
2 data node,1 client node


(system) #4