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From "Weiqing Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16638) Reduce the number of Connection's created in classes of hbase-spark module
Date Wed, 05 Oct 2016 00:10:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15547129#comment-15547129
] 

Weiqing Yang commented on HBASE-16638:
--------------------------------------

Hi, [~ted_yu] I have attached the patch. But there is another jira [HBASE-16713|https://issues.apache.org/jira/browse/HBASE-16713]
which will implement the connection caching on HBase side. If HBASE-16713 is fixed, this patch
would be not necessary. So I am not sure how to deal with this? Could you please give some
direction? Thanks. Adding [~enis]

> Reduce the number of Connection's created in classes of hbase-spark module
> --------------------------------------------------------------------------
>
>                 Key: HBASE-16638
>                 URL: https://issues.apache.org/jira/browse/HBASE-16638
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Weiqing Yang
>         Attachments: HBASE-16638_v1.patch
>
>
> In HBaseResources.scala :
> {code}
> case class RegionResource(relation: HBaseRelation) extends ReferencedResource {
>   var connection: Connection = _
>   var rl: RegionLocator = _
> ...
>   override def init(): Unit = {
>     connection = ConnectionFactory.createConnection(relation.hbaseConf)
> {code}
> Connection is created per RegionResource.
> This is not necessary.
> Caching of Connection's should be provided to reduce the number of concurrent Connection's.



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