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Posted to issues@kylin.apache.org by "ShengJun Zheng (Jira)" <ji...@apache.org> on 2021/02/18 09:08:00 UTC
[jira] [Updated] (KYLIN-4906) support query/job server dynamic
register and discovery in kylin4
[ https://issues.apache.org/jira/browse/KYLIN-4906?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ShengJun Zheng updated KYLIN-4906:
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Summary: support query/job server dynamic register and discovery in kylin4 (was: support query/job server dynamic register and discovery)
> support query/job server dynamic register and discovery in kylin4
> -----------------------------------------------------------------
>
> Key: KYLIN-4906
> URL: https://issues.apache.org/jira/browse/KYLIN-4906
> Project: Kylin
> Issue Type: Improvement
> Components: Integration
> Affects Versions: v4.0.0-beta
> Reporter: ShengJun Zheng
> Assignee: ShengJun Zheng
> Priority: Major
> Fix For: v4.0.0-GA
>
> Attachments: screenshot-1.png, screenshot-2.png
>
>
> Hi，currently we are troubled by a static configuration: kylin.server.cluster-servers. There tow situations not so friendly to us.
> 1. when adding query node to cluster, we forgot to update this configuration in job server. It caused the newly added server was not notified of all metadata update events, causing wrong query result.
> 2. we plan to deploy query server in k8s , this static configuration is not cloud native (having to update k8s configmap)
> We use kylin 2.x，seems this is still a problem in kylin 3.x (relavent code: org.apache.kylin.metadata.cachesync.Broadcaster).
> I wonder if i was wrong or is there already a solution .
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