[jira] [Updated] (CASSANDRA-957) convenience workflow for replacing dead node

["Vijay (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vijay updated CASSANDRA-957:
----------------------------

    Attachment: 0003-Make-HintedHandoff-More-reliable.patch
                0002-Rework-Hints-to-be-on-token.patch
                0001-Support-Token-Replace.patch

Adding support for replacing token.... This also supports replacement with the same IP. Reworked Hints to be based on Token instead of IP's.... The 3rd part of the patch also makes the hints be delivered to the host (currently seems like it is not delivered at all... Let me know if you want to move this to a different ticket).

> convenience workflow for replacing dead node
> --------------------------------------------
>
>                 Key: CASSANDRA-957
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-957
>             Project: Cassandra
>          Issue Type: Wish
>          Components: Core, Tools
>            Reporter: Jonathan Ellis
>             Fix For: 1.0
>
>         Attachments: 0001-Support-Token-Replace.patch, 0001-Support-bringing-back-a-node-to-the-cluster-that-exi.patch, 0002-Do-not-include-local-node-when-computing-workMap.patch, 0002-Rework-Hints-to-be-on-token.patch, 0003-Make-HintedHandoff-More-reliable.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Replacing a dead node with a new one is a common operation, but "nodetool removetoken" followed by bootstrap is inefficient (re-replicating data first to the remaining nodes, then to the new one) and manually bootstrapping to a token "just less than" the old one's, followed by "nodetool removetoken" is slightly painful and prone to manual errors.
> First question: how would you expose this in our tool ecosystem?  It needs to be a startup-time option to the new node, so it can't be nodetool, and messing with the config xml definitely takes the "convenience" out.  A one-off -DreplaceToken=XXY argument?

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