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https://issues.apache.org/jira/browse/WHIRR-221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199920#comment-13199920
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Andrei Savu commented on WHIRR-221:
-----------------------------------
bq. Still, do you think we should ignore missing dependencies?
You are right! As long we allow the user to override the dependencies graph we
should fail fast if any of the requested dependencies is missing with a helpful
error message.
PS: nice work! I'm happy that we should be able to add this feature soon. It
should make the deployment more robust.
> Optionally control the order of starting services
> -------------------------------------------------
>
> Key: WHIRR-221
> URL: https://issues.apache.org/jira/browse/WHIRR-221
> Project: Whirr
> Issue Type: New Feature
> Components: core, documentation
> Reporter: Andrei Savu
> Assignee: David Alves
> Priority: Critical
> Fix For: 0.8.0
>
> Attachments: WHIRR-221-v1.patch, WHIRR-221-v3.patch, WHIRR-221.patch
>
>
> As Lars sugested in WHIRR-170:
> The user should "be able to optionally control the order (services start).
> This could be role based and specified like so
> {code}
> whirr.role-order=zk,nn+jt,dn+tt,hbase-master,hbase-regionserver
> {code}
> If not specified the system should make any effort to start the services as
> quickly as possible, for example in multiple threads. In other words, when
> the role-order is not given no guarantee about order can be given."
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