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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15066) Small improvements to Canary tool
Date Wed, 10 Feb 2016 17:21:19 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15141230#comment-15141230
] 

Hudson commented on HBASE-15066:
--------------------------------

FAILURE: Integrated in HBase-0.98-on-Hadoop-1.1 #1169 (See [https://builds.apache.org/job/HBase-0.98-on-Hadoop-1.1/1169/])
HBASE-15066 Small improvements to Canary tool (apurtell: rev 2c239e05895ee708c71f15d995b92b661a6b38f7)
* src/main/asciidoc/_chapters/ops_mgt.adoc
* bin/hbase
* hbase-server/src/main/java/org/apache/hadoop/hbase/tool/Canary.java


> Small improvements to Canary tool
> ---------------------------------
>
>                 Key: HBASE-15066
>                 URL: https://issues.apache.org/jira/browse/HBASE-15066
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 2.0.0, 1.3.0, 0.98.18
>
>         Attachments: hbase-15066_v1.patch
>
>
> From an internal request from a user: 
> {quote}
> HBase comes with a canary tool which is very useful, but a few minor changes would make
it substantially better. Specifically, you don't know what it's testing until it completes
the test, so if it hangs, you can't tell where it's hanging. For example, if I run it with
the -regionserver option, it sends get requests to each of the regionservers in some random
order...
> And the same goes for the non-default mode, which hits each region for each table. 
> If it would just print a message prior to each 'get', it would be extremely helpful.
> {quote}
> This patch: 
>   - Adds debug statements for pre-operation steps. 
>   - Adds bin/hbase canary support 
>   - Fixes table names with patterns where the pattern was not matched previously. 



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