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https://issues.apache.org/jira/browse/PHOENIX-2622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15113223#comment-15113223
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James Taylor commented on PHOENIX-2622:
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[~poornachandra] - looks like ReadFence doesn't have an equals or hashcode
implementation which is causing our code to add a new one per row being
written. I can work around it, but would be good to get a fix in the next patch
release if you agree.
> Writes to transactional table get slower after regions splits to multiple
> region servers
> ----------------------------------------------------------------------------------------
>
> Key: PHOENIX-2622
> URL: https://issues.apache.org/jira/browse/PHOENIX-2622
> Project: Phoenix
> Issue Type: Bug
> Reporter: Mujtaba Chohan
> Fix For: 4.7.0
>
> Attachments: upsert_rate.png
>
>
> Upsert rate get slower for transactional table as more and more regions gets
> split to different region servers. More details to be added.
> !upsert_rate.png! This chart shows the upsert rate of 100K batches over time
> for transactional vs standard table for a total of 4M rows split in 6 regions.
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