Re: Frequent Region Server Failures with namenode.LeaseExpiredException

2018-02-08 Thread Ted Yu
Do you use Phoenix functionality ? If not, you can try disabling the Phoenix side altogether (removing Phoenix coprocessors). 2.3.4 is really old - please upgrade to 2.6.3 You should consider asking on the vendor's community forum. Cheers On Thu, Feb 8, 2018 at 3:06 PM, anil gupta

Frequent Region Server Failures with namenode.LeaseExpiredException

2018-02-08 Thread anil gupta
Hi Folks, We are running a 60 Node MapReduce/HBase HDP cluster. HBase 1.1.2 , HDP: 2.3.4.0-3485. Phoenix is enabled on this cluster. Each slave has ~120gb ram. RS has 20 Gb heap, 12 disk of 2Tb each and 24 cores. This cluster has been running OK for last 2 years but recently with few disk