[
https://issues.apache.org/jira/browse/HBASE-28293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ranganath Govardhanagiri reassigned HBASE-28293:
------------------------------------------------
Assignee: Ranganath Govardhanagiri
> Add metric for GetClusterStatus request count.
> ----------------------------------------------
>
> Key: HBASE-28293
> URL: https://issues.apache.org/jira/browse/HBASE-28293
> Project: HBase
> Issue Type: Bug
> Reporter: Rushabh Shah
> Assignee: Ranganath Govardhanagiri
> Priority: Major
>
> We have been bitten multiple times by GetClusterStatus request overwhelming
> HMaster's memory usage. It would be good to add a metric for the total
> GetClusterStatus requests count.
> In almost all of our production incidents involving GetClusterStatus request,
> HMaster were running out of memory with many clients call this RPC in
> parallel and the response size is very big.
> In hbase2 we have
> [ClusterMetrics.Option|https://github.com/apache/hbase/blob/master/hbase-client/src/main/java/org/apache/hadoop/hbase/ClusterMetrics.java#L164-L224]
> which can reduce the size of the response.
> It would be nice to add another metric to indicate if the response size of
> GetClusterStatus is greater than some threshold (like 5MB)
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
