Created on 04-27-2019 05:20 AM - edited 08-17-2019 03:43 PM
We are using hdp 3.1 We have give hive metastore heap 3GB of memory but it is doing GC and metastore process dies after that. the heapdump (hms_heapdump.hprof) showing the below in some class MutableQuantiles? Any pointers what could be going on wrong here.
Created 04-29-2019 01:14 PM
The image of heapdump not showing up so pasting the heapdump
Class Name | Shallow Heap | Retained Heap | Percentage
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java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue @ 0x70128be78 | 32 | 2,997,787,240 | 97.85%
|- java.util.concurrent.RunnableScheduledFuture[898656] @ 0x7afe00000 | 3,594,640 | 2,997,787,184 | 97.85%
| |- java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask @ 0x79ba68588| 72 | 4,656 | 0.00%
| | '- java.util.concurrent.Executors$RunnableAdapter @ 0x79ba685d0 | 24 | 4,584 | 0.00%
| | '- org.apache.hadoop.metrics2.lib.MutableQuantiles$RolloverSample @ 0x79ba685e8| 16 | 4,560 | 0.00%
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Created 04-30-2019 03:14 PM
Created 05-02-2019 07:06 AM
My colleague Rajat has created a ticket for this at hadoop
https://issues.apache.org/jira/browse/HADOOP-16278
and this might be related to a similar issue reported at