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https://issues.apache.org/jira/browse/PHOENIX-1263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14154446#comment-14154446
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James Taylor commented on PHOENIX-1263:
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Yes, EMPTY_BYTE_ARRAY is fine. +1. Thanks for the patch, [~ramkrishna]!
> Only cache guideposts on physical PTable
> ----------------------------------------
>
> Key: PHOENIX-1263
> URL: https://issues.apache.org/jira/browse/PHOENIX-1263
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: James Taylor
> Assignee: ramkrishna.s.vasudevan
> Attachments: Phoenix-1263_1.patch, Phoenix-1263_6.patch,
> Phoenix-1263_7.patch, Phoenix-1263_7_3.0.patch
>
>
> Rather than caching the guideposts on all tenant-specific tables, we should
> cache them only on the physical table. On the client side, we should also
> update the cache with the latest for the base multi-tenant table when we
> update the cache for a tenant-specific table. Then when we lookup the
> guideposts, we should ensure that we're getting them from the physical table.
> Otherwise, it'll be difficult to keep the guideposts cached on the PTable in
> sync across all tenant-specific tables (not to mention using quite a bit of
> memory).
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