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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (PHOENIX-4762) Performance regression with transactional immutable indexes
Date Fri, 01 Jun 2018 17:59:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-4762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Taylor resolved PHOENIX-4762.
-----------------------------------
    Resolution: Fixed

> Performance regression with transactional immutable indexes
> -----------------------------------------------------------
>
>                 Key: PHOENIX-4762
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4762
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: James Taylor
>            Priority: Major
>             Fix For: 4.14.0, 5.0.0
>
>         Attachments: PHOENIX-4762_v1.patch
>
>
> The introduction of the TAL caused a performance regression with immutable indexes. Prior
to the TAL, index rows would not be transaction participants so they would not take up client
memory. Instead, on rollback, we re-generate the index deletes.



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