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Posted to issues@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2017/04/24 12:00:07 UTC

[jira] [Resolved] (KYLIN-2499) HybridInstance cache wasn't cleaned when underlying Cube be updated

     [ https://issues.apache.org/jira/browse/KYLIN-2499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shaofeng SHI resolved KYLIN-2499.
---------------------------------
    Resolution: Fixed

> HybridInstance cache wasn't cleaned when underlying Cube be updated
> -------------------------------------------------------------------
>
>                 Key: KYLIN-2499
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2499
>             Project: Kylin
>          Issue Type: Bug
>          Components: Metadata
>    Affects Versions: v1.6.0
>            Reporter: Shaofeng SHI
>            Assignee: Shaofeng SHI
>             Fix For: v2.0.0
>
>
> I have a legacy streaming cube, which has a design issue so I created a new version (changing encoding for a column). In order to query both historical and new data, I created a hybrid with them. The old cube stops and the new cube starts incremental building; At the begining the query is okay, it hits the hybrid and then fetch both hist and current data; but when running for some time, the query returns error, in the backend log I see error like "org.apache.hadoop.hbase.TableNotFoundException: KYLIN_C178KEQ2K0"; The table had been dropped after a merge, which means Kylin uses out of date info. After click "Reload metadata" button, the query goes well.
>  



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