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https://issues.apache.org/jira/browse/KYLIN-4137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16907894#comment-16907894
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nichunen commented on KYLIN-4137:
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+1
> Accelerate metadata reloading
> -----------------------------
>
> Key: KYLIN-4137
> URL: https://issues.apache.org/jira/browse/KYLIN-4137
> Project: Kylin
> Issue Type: Improvement
> Components: Metadata
> Affects Versions: Future
> Reporter: Temple Zhou
> Assignee: Temple Zhou
> Priority: Minor
>
> Now, org.apache.kylin.metadata.cachesync.CachedCrudAssist#reloadAll is using
> an inappropriate method to deal with MySQLJdbcMetadata.
> As the every call of reloadAt(path) will access the database, which is almost
> fine to HBase but really unfriendly to the MySQL(RDBMS).
> I think we should get all of the resource with single request instead of the
> separate request to get every resource.
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