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https://issues.apache.org/jira/browse/DRILL-4275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15106280#comment-15106280
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ASF GitHub Bot commented on DRILL-4275:
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Github user jacques-n commented on the pull request:
https://github.com/apache/drill/pull/325#issuecomment-172747355
Let's do a separate hangout. This seems to deep/specific to cover in a
large group.
On Jan 18, 2016 9:51 AM, "Hanifi Gunes" <[email protected]> wrote:
> Cool. Let's sync up on tomorrow's weekly hangout. Let me know if that does
> not work for you.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/apache/drill/pull/325#issuecomment-172604790>.
>
> Refactor e/pstore interfaces and their factories to provide a unified
> mechanism to access stores
> ------------------------------------------------------------------------------------------------
>
> Key: DRILL-4275
> URL: https://issues.apache.org/jira/browse/DRILL-4275
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Flow
> Reporter: Hanifi Gunes
> Assignee: Deneche A. Hakim
>
> We rely on E/PStore interfaces to persist data. Even though E/PStore stands
> for Ephemeral and Persistent stores respectively, the current design for
> EStore does not extend the interface/functionality of PStore at all, which
> hints abstraction for EStore is redundant. This issue proposes a new unified
> Store interface replacing the old E/PStore that exposes an additional method
> that report persistence level as follows:
> {code:title=Store interface}
> interface Store<V> {
> StoreMode getMode();
> V get(String key);
> ...
> }
> enum StoreMode {
> EPHEMERAL,
> PERSISTENT,
> ...
> }
> {code}
> The new design brings in less redundancy, more centralized code, ease to
> reason and maintain.
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