Hi! I have 6-nodes cluster. Sometimes cpu usage become very high and lows only after restarting elastic. Any suggestions? Here is my munin output: [image] And hot threads from one of the nodes: Hot threads at 2015-09-16T14:30:20.501Z, interval=500ms, busiestThreads=3, ignoreIdleThreads=true: …

ES suddenly begin to consume CPU

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ES suddenly begin to consume CPU

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