phoenix-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Bin Shi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-4913) UPDATE STATISTICS should run raw scan to collect the deleted rows
Date Thu, 20 Sep 2018 23:20:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-4913?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bin Shi updated PHOENIX-4913:
-----------------------------
    Description: 
In order to truly measure the size of data when calculating guide posts, UPDATE STATISTIC
should run raw scan to take into account the deleted rows.

For the deleted rows, they will contribute to estimated size of guide post but it has no contribution
to the count of rows of guide post.

  was:
In order to truly measure the size of data when calculating guide posts, UPDATE STATISTIC
should run raw scan to take into account all versions of cells.

For the deleted rows, they will contribute to estimated size of guide post but it has no contribution
to the count of rows of guide post.


> UPDATE STATISTICS should run raw scan to collect the deleted rows
> -----------------------------------------------------------------
>
>                 Key: PHOENIX-4913
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4913
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 5.0.0
>            Reporter: Bin Shi
>            Assignee: Bin Shi
>            Priority: Major
>
> In order to truly measure the size of data when calculating guide posts, UPDATE STATISTIC
should run raw scan to take into account the deleted rows.
> For the deleted rows, they will contribute to estimated size of guide post but it has
no contribution to the count of rows of guide post.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

Mime
View raw message