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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (PHOENIX-3789) Execute cross region index maintenance calls outside of row lock
Date Fri, 14 Apr 2017 21:49:41 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-3789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15969573#comment-15969573
] 

Andrew Purtell edited comment on PHOENIX-3789 at 4/14/17 9:49 PM:
------------------------------------------------------------------

[~giacomotaylor] [~gjacoby] Wouldn't it be fair to say if there is an index defined on a Phoenix
table then the durability hint of SKIP_WAL can just be ignored? The Durability thing is just
a hint anyway, that WAL entries are not _required_. Well, if there are indexes, we could require
them nonetheless. Something to think about. 


was (Author: apurtell):
[~giacomotaylor] [~gjacoby] Wouldn't it be fair to say if there is an index defined on a Phoenix
table then a mutation with durability of SKIP_WAL can just be ignored? The Durability thing
is just a hint anyway, that WAL entries are not _required_. Well, if there are indexes, we
could require them nonetheless. Something to think about. 

> Execute cross region index maintenance calls outside of row lock
> ----------------------------------------------------------------
>
>                 Key: PHOENIX-3789
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3789
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: James Taylor
>             Fix For: 4.11.0, 4.10.1
>
>         Attachments: PHOENIX-3789.patch, PHOENIX-3789_v2.patch
>
>
> Making cross region server calls while the row is locked can lead to a greater chance
of resource starvation. We can use the postBatchMutateIndispensably hook instead of the postBatchMutate
call for our processing.



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