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From "Jesse Yates (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-9534) Short-Circuit Coprocess HTable writes when on same server
Date Sat, 14 Sep 2013 02:53:51 GMT
Jesse Yates created HBASE-9534:
----------------------------------

             Summary: Short-Circuit Coprocess HTable writes when on same server
                 Key: HBASE-9534
                 URL: https://issues.apache.org/jira/browse/HBASE-9534
             Project: HBase
          Issue Type: Bug
            Reporter: Jesse Yates
            Assignee: Jesse Yates
             Fix For: 0.98.0


Coprocessors currently create a full HTable when they want to write. However, we know that
coprocessors must run from within an HBase server (either master or RS). For the master, its
rare that we are going to be doing performance sensitive operations, but RS calls could be
very time-intensive. 

Therefore, we should be able to tell when a call from a CP attempts to talk to the RS on which
it lives and just short-circuit to calling that RS, rather than going the long way around
(which does the full marshalling/unmarshalling of data, as well as going over the loopback
interface).

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