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https://issues.apache.org/jira/browse/WHIRR-214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12994378#comment-12994378
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David Alves commented on WHIRR-214:
-----------------------------------
Some questions:
Cluster expansion/contraction is supposed to be in a new command right (e.g.
ModifyClusterCommand)?
As I see it it could be something like:
whirr modify-cluster --instance-templates "20 dn+tt"
(where instance-templates was before 10 dn+tt)
My question is:
What are the "old" instance templates from which we are calculating the
difference? is it the current cluster instance templates or the configured
instance templates?
Is there a way to rebuild instance templates based on the current cluster
states (instead of configuration). From what I gather in ListClusterCommand the
only thing that is retrieved is current node metadata directly from jclouds
(node ids, addresses, etc, not the actual services running on the nodes).
> Add nodes to running clusters
> -----------------------------
>
> Key: WHIRR-214
> URL: https://issues.apache.org/jira/browse/WHIRR-214
> Project: Whirr
> Issue Type: New Feature
> Reporter: Elliott Clark
>
> I would like to be able to add a node to a running cluster.
> For example if I have created a hadoop, hbase, zookeeper cluster I would like
> to be able to add region servers to hbase, Zookeeper nodes to the quorum,
> and task nodes to hadoop.
> Something akin to the functionality of the hbase-ec2 script. Where if I
> launch a node on an already running cluster. It is configured to join the
> cluster.
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