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From "Karthik Ranganathan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-7477) Remove Proxy instance from HBase RPC
Date Wed, 09 Jan 2013 17:38:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-7477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Karthik Ranganathan updated HBASE-7477:

    Attachment: HBASE-7477.patch

In this patch, HRegionInterfaceProxyImpl is the serializer that eliminates the proxy. This
eliminates a decent chunk of CPU on the HBase client and entirely shifted the bottleneck to
the server side. Was able to push the max get ops/sec to around 196K with this on the client
and other server side changes. Will write up about this in detail sometime.
> Remove Proxy instance from HBase RPC
> ------------------------------------
>                 Key: HBASE-7477
>                 URL: https://issues.apache.org/jira/browse/HBASE-7477
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Karthik Ranganathan
>         Attachments: 7477experiment.txt, HBASE-7477.patch
> Currently, we use HBaseRPC.getProxy() to get an Invoker object to serialize the RPC parameters.
This is pretty inefficient as it uses reflection to lookup the current method name.
> The aim is to break up the proxy into an actual proxy implementation so that:
> 1. we can make it more efficient by eliminating reflection
> 2. can re-write some parts of the protocol to make it even better

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