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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-19299) Assert only one Connection is constructed when calculating splits in a MultiTableInputFormat
Date Mon, 20 Nov 2017 17:03:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-19299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16259483#comment-16259483
] 

stack commented on HBASE-19299:
-------------------------------

[~Apache9] Done sir. Pushed to branch-2 too.

> Assert only one Connection is constructed when calculating splits in a MultiTableInputFormat
> --------------------------------------------------------------------------------------------
>
>                 Key: HBASE-19299
>                 URL: https://issues.apache.org/jira/browse/HBASE-19299
>             Project: HBase
>          Issue Type: Test
>          Components: test
>            Reporter: stack
>            Assignee: stack
>            Priority: Minor
>             Fix For: 2.0.0-beta-1
>
>         Attachments: 0002-HBASE-19299-Assert-only-one-Connection-is-constructe.patch
>
>
> Small test that verifies only one Connection made when calculating splits. We used to
put up one per Table until recently and before that, a Connection per table per split which
put a heavy load on hbase;meta. Here is a test to ensure we don't go back to the bad-old-days.



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