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From Ankit Singhal <ankitsingha...@gmail.com>
Subject Re: Region Server Crashes with below ERROR
Date Mon, 13 Aug 2018 21:31:16 GMT
bq. Region Server Crashes with below ERROR, Looks like some issues with GC
configuration ?
bq. 2018-08-09 14:54:26,104 INFO org.apache.hadoop.hbase.util.JvmPauseMonitor:
Detected pause in JVM or host machine (eg GC): pause of approximately 6173ms
bq. GC pool 'ParNew' had collection(s): count=2 time=114ms
bq. GC pool 'ConcurrentMarkSweep' had collection(s): count=1 time=6262ms

A 6-second pause cannot result in a timeout with
zookeeper(zookeeper.session.timeout) and may not be the reason for
regionserver failure. Check for large pauses or errors(with FATAL/ERROR) in
logs as Josh said.

On Mon, Aug 13, 2018 at 2:00 PM, Josh Elser <elserj@apache.org> wrote:

> Nothing in here indicates why the RegionServers actually failed.
>
> If the RegionServer crashed, there is very likely a log message at FATAL.
> You want to find that to understand what actually caused it.
>
>
> On 8/13/18 4:22 PM, Adep, Karankumar (ETW - FLEX) wrote:
>
>> Hi,
>>
>> Region Server Crashes with below ERROR, Looks like some issues with GC
>> configuration ?
>>
>> 2018-08-09 14:54:26,106 INFO org.apache.hadoop.hbase.regionserver.RSRpcServices:
>> Scanner 2847160913172185436 lease expired on region
>> pi,ea000000,1519782669886.393add40963aadf9d6a3ceeceaee1106.
>> 2018-08-09 14:54:26,104 INFO org.apache.hadoop.hbase.util.JvmPauseMonitor:
>> Detected pause in JVM or host machine (eg GC): pause of approximately 6173ms
>> GC pool 'ParNew' had collection(s): count=2 time=114ms
>> GC pool 'ConcurrentMarkSweep' had collection(s): count=1 time=6262ms
>> 2018-08-09 14:54:26,100 INFO org.apache.hadoop.hbase.ScheduledChore:
>> Chore: CompactionChecker missed its start time
>> 2018-08-09 14:54:26,106 INFO org.apache.hadoop.hbase.regionserver.RSRpcServices:
>> Scanner 2847160913172185429 lease expired on region
>> pi,9c000000,1519782669886.962035d50bed0ead188dc55484587c5c.
>> 2018-08-09 14:54:26,106 INFO org.apache.hadoop.hbase.regionserver.RSRpcServices:
>> Scanner 2847160913172185442 lease expired on region
>> pt,b8000000,1519942253050.7cb5a194271207df2456220c1bfacda8.
>>
>> Thank You,
>> Karan Adep | Platform Operations Team | Cell: 917-873-6163
>>
>>
>

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