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https://issues.apache.org/jira/browse/HBASE-30520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18140794#comment-18140794
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Xiao Liu commented on HBASE-30520:
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Pushed to all active branches!
Thanks [~wchevreuil] for reviewing!
> HStore cache configuration reload ignores table and column family
> configuration overrides
> -----------------------------------------------------------------------------------------
>
> Key: HBASE-30520
> URL: https://issues.apache.org/jira/browse/HBASE-30520
> Project: HBase
> Issue Type: Bug
> Components: BlockCache
> Reporter: Xiao Liu
> Assignee: Xiao Liu
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0-alpha-1, 2.7.0, 3.1.0, 3.0.1, 2.6.8, 2.5.17
>
>
> {\{HStore}} initializes \{{CacheConfig}} with the merged global, table and
> column family configuration. However, during \{{update_config}},
> \{{CacheConfig}} receives only the global configuration, losing table and
> column family overrides.
> For example, a column family \{{CONFIGURATION}} override of
> \{{hbase.rs.cacheblocksonwrite=true}} is lost after \{{update_config}} when
> the global value is \{{false}}.
> Refresh \{{CacheConfig}} through \{{HStore}} using the merged store
> configuration, while keeping the shared \{{BlockCache}} subscribed to global
> configuration updates.
> This complements HBASE-30504, which preserves column family cache attributes.
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