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https://issues.apache.org/jira/browse/HBASE-9410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kirubakaran Pakkirisamy updated HBASE-9410:
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Attachment: SearchProtocol.java
SearchEndpoint.java
Search.java
Attached files which demonstrate the problem. The Thread.sleep in the client
allows for clients to have created the HTable. It then loops for say, 50 times.
What is usually 10-20msec suddenly jumps to few hundreds and some in thousands.
This is with 32 conncurrent connections to a 4 node ec2 cluster with 32 cores
in total
> Concurrent coprocessor endpoint executions slow down exponentially
> ------------------------------------------------------------------
>
> Key: HBASE-9410
> URL: https://issues.apache.org/jira/browse/HBASE-9410
> Project: HBase
> Issue Type: Bug
> Components: Coprocessors
> Affects Versions: 0.94.11
> Environment: Amazon ec2
> Reporter: Kirubakaran Pakkirisamy
> Attachments: SearchEndpoint.java, Search.java, SearchProtocol.java
>
>
> Multiple concurrent executions of coprocessor endpoints slow down
> drastically. It is compounded further when there are more Htable connection
> setups happening.
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