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https://issues.apache.org/jira/browse/HDDS-363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Elek, Marton updated HDDS-363:
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Attachment: HDDS-363.001.patch
> Faster datanode registration during the first startup
> -----------------------------------------------------
>
> Key: HDDS-363
> URL: https://issues.apache.org/jira/browse/HDDS-363
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: Ozone Datanode
> Reporter: Elek, Marton
> Assignee: Elek, Marton
> Priority: Minor
> Fix For: 0.2.1
>
> Attachments: HDDS-363.001.patch
>
>
> During the first startup usually we need to wait about 30 s to find the scm
> usable. The datanode registration is a multiple step process
> (request/response + request/response) and we need to wait the next HB to
> finish the registration.
> I propose to use a more higher HB frequency at startup (let's say 2 seconds)
> and set the configured HB only at the end of the registration.
> It also helps for the first users as it could be less confusing (the datanode
> can be seen almost immediately on the UI)
> Also it would help a lot for me during the testing (yes, I can decrease the
> HB frequency but in that case it's harder the follow the later HBs)
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