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https://issues.apache.org/jira/browse/PHOENIX-4008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16640510#comment-16640510
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Ethan Wang commented on PHOENIX-4008:
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{quote}could you give me more details of......
{quote}
So let's say you are in a replication scenario. Let's say we have table A.t1
which gets copied and backed up in B.t2. To make sure A.t1 is same as B.t2, one
thing you can do is to check if each row in LHS == each row in RHS. Or, if you
want it compared fast, with a small risk, you can check tableSampled in LHS ==
tableSampled in RHS.
> UPDATE STATISTIC should collect all versions of cells
> -----------------------------------------------------
>
> Key: PHOENIX-4008
> URL: https://issues.apache.org/jira/browse/PHOENIX-4008
> Project: Phoenix
> Issue Type: Bug
> Reporter: Samarth Jain
> Assignee: Bin Shi
> Priority: Major
> Fix For: 4.15.0, 5.1.0
>
> Attachments: PHOENIX-4008_0918.patch, PHOENIX-4008_0920.patch,
> PHONEIX-4008.4.X-HBase-1.2.001.patch, PHONEIX-4008.4.X-HBase-1.3.001.patch,
> PHONEIX-4008.4.X-HBase-1.4.001.patch
>
>
> In order to truly measure the size of data when calculating guide posts,
> UPDATE STATISTIC should taken into account all versions of cells. We should
> also be setting the max versions on the scan.
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