ES-5.2.1 server is continuously getting dead

[Akhilesh_Anb]

I'm having the same problem, for every few days my service is getting dead.

Problem with elasticsearch service

I have upgraded our cluster to 5.1.2. After the upgrade we are getting frequent problem with elasticsearch. For every 3-4 days elasticsearch is dying with fowllowing error. [root@ushapld001211a ~]# service elasticsearch status elasticsearch dead but pid file exists We have enough space. we are restarting the service and its becoming normal. Its happening for every 3-4 days .Please provide me a solution what i need to check. @warkolm please help me