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Posted to issues@kylin.apache.org by "Dayue Gao (JIRA)" <ji...@apache.org> on 2017/02/10 07:51:41 UTC

[jira] [Updated] (KYLIN-2437) collect number of bytes scanned to query metrics

     [ https://issues.apache.org/jira/browse/KYLIN-2437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dayue Gao updated KYLIN-2437:
-----------------------------
    Fix Version/s: v2.0.0

> collect number of bytes scanned to query metrics
> ------------------------------------------------
>
>                 Key: KYLIN-2437
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2437
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Storage - HBase
>    Affects Versions: v1.6.0
>            Reporter: Dayue Gao
>            Assignee: Dayue Gao
>             Fix For: v2.0.0
>
>
> Besides scanned row count, it's useful to know how many bytes are scanned from HBase to fulfil a query. It is perhaps a better indicator than row count that shows how much pressure a query puts on HBase. 



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