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From "Chris Lohfink (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9639) size_estimates is inacurate in multi-dc clusters
Date Thu, 26 Jan 2017 15:44:24 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15839888#comment-15839888
] 

Chris Lohfink commented on CASSANDRA-9639:
------------------------------------------

The primary ranges will differ based on the keyspace and replication strategy/factor. Particularly
true of vnode/multi DC environments where the TokenMetadata.getPredecessor of each local token
is not necessarily the bounds of the primary ranges.

> size_estimates is inacurate in multi-dc clusters
> ------------------------------------------------
>
>                 Key: CASSANDRA-9639
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9639
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Sebastian Estevez
>            Priority: Minor
>             Fix For: 3.0.x
>
>
> CASSANDRA-7688 introduced size_estimates to replace the thrift describe_splits_ex command.
> Users have reported seeing estimates that are widely off in multi-dc clusters.
> system.size_estimates show the wrong range_start / range_end



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