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From "dhruba borthakur (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4989) Metrics to measure sequential reads and random reads separately
Date Fri, 09 Dec 2011 09:02:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13165958#comment-13165958
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dhruba borthakur commented on HBASE-4989:
-----------------------------------------

Code here : https://reviews.facebook.net/D693
                
> Metrics to measure sequential reads and random reads separately
> ---------------------------------------------------------------
>
>                 Key: HBASE-4989
>                 URL: https://issues.apache.org/jira/browse/HBASE-4989
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>            Priority: Minor
>
> HBase does sequential reads for compactions and positional random reads for satisfying
user's queries. It would be nice if we can measure their latencies separately. It is mostly
the random reads that dominate a transactional workload.

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