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Posted to commits@cassandra.apache.org by "Benjamin Roth (JIRA)" <ji...@apache.org> on 2017/04/07 05:48:41 UTC
[jira] [Commented] (CASSANDRA-13065) Skip building views during
base table streams on range movements
[ https://issues.apache.org/jira/browse/CASSANDRA-13065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15960301#comment-15960301 ]
Benjamin Roth commented on CASSANDRA-13065:
-------------------------------------------
[~pauloricardomg] thanks for the review! Would you like to take a look at CASSANDRA-13066 for review? It depends on this patch and I have to touch it anyway. So if you have comments on the concept and namings (and probably you will) I can do that in one run.
> Skip building views during base table streams on range movements
> ----------------------------------------------------------------
>
> Key: CASSANDRA-13065
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13065
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Benjamin Roth
> Assignee: Benjamin Roth
> Priority: Critical
> Fix For: 4.0
>
>
> 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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