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Posted to issues@kylin.apache.org by "nichunen (Jira)" <ji...@apache.org> on 2020/01/21 07:47:04 UTC

[jira] [Closed] (KYLIN-4137) Accelerate metadata reloading

     [ https://issues.apache.org/jira/browse/KYLIN-4137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

nichunen closed KYLIN-4137.
---------------------------

Resolved in release v3.0.0-beta(2019-10-25)

> Accelerate metadata reloading
> -----------------------------
>
>                 Key: KYLIN-4137
>                 URL: https://issues.apache.org/jira/browse/KYLIN-4137
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Metadata
>    Affects Versions: v2.6.2
>            Reporter: Temple Zhou
>            Assignee: Temple Zhou
>            Priority: Minor
>             Fix For: v3.0.0-beta
>
>
> 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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