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https://issues.apache.org/jira/browse/DRILL-4596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15235374#comment-15235374
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ASF GitHub Bot commented on DRILL-4596:
---------------------------------------
Github user arina-ielchiieva commented on the pull request:
https://github.com/apache/drill/pull/474#issuecomment-208428822
Updated PR.
New implementation approach:
1. we allow to register any drillbit (disregarding the version).
2. instead of getting available endpoints from coordinator, we'll be
receiving compatible endpoints. Version compatibility will be defined using
main application version (major.minor (+ 1). For example, drillbit with version
1.8 can work with 1.8 and 1.9. Drillbit with version 1.9 can work with 1.9 and
2.0 and so on. Even during rolling upgrades, compatible endpoints will be able
to work together.
> Drill should do version check among drillbits
> ---------------------------------------------
>
> Key: DRILL-4596
> URL: https://issues.apache.org/jira/browse/DRILL-4596
> Project: Apache Drill
> Issue Type: New Feature
> Affects Versions: 1.6.0
> Reporter: Arina Ielchiieva
> Assignee: Arina Ielchiieva
> Fix For: Future
>
>
> Before registering new drillbit in zookeeper, we should do version check, and
> make sure all the running drillbits are in the same version.
> Using drillbits of different version can lead to unexpected results.
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