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https://issues.apache.org/jira/browse/PHOENIX-1240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14221296#comment-14221296
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Jeffrey Zhong commented on PHOENIX-1240:
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I think it's better to disallow TTL set for individual CFs because Phoenix
table data is row based. Though we can define some columns are optional but if
TTL get some columns firstly then we break data integrity and don't know if
they don't exist at first place or get garbage collected later.
> Add TTL to SYSTEM.TRACING_STATS table
> -------------------------------------
>
> Key: PHOENIX-1240
> URL: https://issues.apache.org/jira/browse/PHOENIX-1240
> Project: Phoenix
> Issue Type: Sub-task
> Affects Versions: 5.0.0, 4.1.1
> Reporter: Jesse Yates
> Assignee: Alicia Ying Shu
> Fix For: 5.0.0, 4.1.1
>
> Attachments: PHOENIX-1240.patch
>
>
> Tracing table should have a configurable TTL on it, so the table doesn't fill
> up with too much data.
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