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From "Lars Hofhansl (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4805) Allow better control of resource consumption in HTable
Date Wed, 16 Nov 2011 23:23:51 GMT
Allow better control of resource consumption in HTable

                 Key: HBASE-4805
                 URL: https://issues.apache.org/jira/browse/HBASE-4805
             Project: HBase
          Issue Type: Bug
          Components: client
    Affects Versions: 0.94.0
            Reporter: Lars Hofhansl
            Assignee: Lars Hofhansl

>From some internal discussions at Salesforce we concluded that we need better control
over the resources (mostly threads) consumed by HTable when used in a AppServer with many
client threads.

Since HTable is not thread safe, the only options are cache them (in a custom thread local
or using HTablePool) or to create them on-demand.

I propose a simple change: Add a new constructor to HTable that takes an optional ExecutorService
and HConnection instance. That would make HTable a pretty lightweight object and we would
manage the ES and HC separately.

I'll upload a patch a soon to get some feedback.

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