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https://issues.apache.org/jira/browse/CASSANDRA-13065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15766474#comment-15766474
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Benjamin Roth commented on CASSANDRA-13065:
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Required for decommissioning
> Consistent range movements to not require MV updates to go through write
> paths
> -------------------------------------------------------------------------------
>
> Key: CASSANDRA-13065
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13065
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Benjamin Roth
>
> Booting or decommisioning nodes with MVs is unbearably slow as all streams go
> through the regular write paths. This causes read-before-writes for every
> mutation and during bootstrap it causes them to be sent to batchlog.
> The makes it virtually impossible to boot a new node in an acceptable amount
> of time.
> Using the regular streaming behaviour for consistent range movements works
> much better in this case and does not break the MV local consistency contract.
> Already tested on own cluster.
> Bootstrap case is super easy to handle, decommission case requires
> CASSANDRA-13064
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