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Posted to dev@apex.apache.org by "Ananth (JIRA)" <ji...@apache.org> on 2017/11/11 11:26:09 UTC

[jira] [Closed] (APEXMALHAR-2473) Support for global cache meta information in db CacheManager

     [ https://issues.apache.org/jira/browse/APEXMALHAR-2473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ananth closed APEXMALHAR-2473.
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> Support for global cache meta information in db CacheManager
> ------------------------------------------------------------
>
>                 Key: APEXMALHAR-2473
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2473
>             Project: Apache Apex Malhar
>          Issue Type: Improvement
>            Reporter: Pramod Immaneni
>            Assignee: Oliver Winke
>             Fix For: 3.8.0
>
>
> Currently db CacheManager has no knowledge of characteristics of the data or the cache stores, so it handles all scenarios uniformly. This may not be the optimal implementation in all cases. Better optimizations can be performed in the manager if this information is known. A few examples, if the data is read-only the keys in the primary cache need not be refreshed like they are being done daily today, if the primary cache size is known the number of initial entries loaded from backup needn't exceed it. Add support for such general cache meta information in the manager. 



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