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Posted to commits@cassandra.apache.org by "Paulo Motta (Jira)" <ji...@apache.org> on 2020/09/17 12:50:00 UTC
[jira] [Updated] (CASSANDRA-12344) Forward writes to replacement
node with same address during replace
[ https://issues.apache.org/jira/browse/CASSANDRA-12344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paulo Motta updated CASSANDRA-12344:
------------------------------------
Component/s: (was: Legacy/Coordination)
Consistency/Bootstrap and Decommission
Cluster/Membership
> Forward writes to replacement node with same address during replace
> -------------------------------------------------------------------
>
> Key: CASSANDRA-12344
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12344
> Project: Cassandra
> Issue Type: Improvement
> Components: Cluster/Membership, Consistency/Bootstrap and Decommission, Legacy/Distributed Metadata
> Reporter: Paulo Motta
> Priority: Normal
> Fix For: 4.x
>
>
> On CASSANDRA-8523 it was added support to forwarding writes to a replacement node via a new gossip state {{BOOTSTRAPPING_REPLACE}}.
> Currently this is limited to replacement nodes with a different address of the original node, because if a replacement node with the same address of a normal endpoint joins gossip with a non-dead state, it will become alive in the Failure Detector and reads will be forwarded to it before the node is ready to serve reads.
> This ticket is to add support to forwarding writes to replacement nodes with the same IP address as the original node.
> The initial idea is to allow marking a node as unavailable for reads on {{TokenMetadata}}, what will allow the replacement node with the same IP join gossip without having reads forwarded to it. This will be enabled by CASSANDRA-11559.
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