My ES stuck once a week with no reason?

I have a 4 box ES installed, the version that I am using is 0.90.10 but it fails once in a week. What I am getting is 50X error in kibana. When I check the log one of the nodes are stuck. It is fine after restart. The memories are fine for them. What else can I check ? -- You received this

Re: My ES stuck once a week with no reason?

$Worker.run(ThreadPoolExecutor.java:615) @4000532216d90c46826c at java.lang.Thread.run(Thread.java:724) On Thursday, March 13, 2014 1:35:25 PM UTC-7, Khasan Bold wrote: I have a 4 box ES installed, the version that I am using is 0.90.10 but it fails once in a week. What I am getting is 50X