[jira] [Commented] (PHOENIX-1263) Only cache guideposts on physical PTable

["ramkrishna.s.vasudevan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PHOENIX-1263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14147624#comment-14147624 ] 

ramkrishna.s.vasudevan commented on PHOENIX-1263:
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[~giacomotaylor]
To do this I may need to read how the multi tenant tables are stored in the SYSTEM table and how the base multi-tenant table is accessed and how the tenant-specific tables are accessed.

> 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
>
> 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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