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From "Sylvain Lebresne (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-12244) progress in compactionstats is reported wrongly for view builds
Date Fri, 22 Jul 2016 14:28:21 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-12244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sylvain Lebresne updated CASSANDRA-12244:
-----------------------------------------
    Labels: lhf  (was: )

> progress in compactionstats is reported wrongly for view builds
> ---------------------------------------------------------------
>
>                 Key: CASSANDRA-12244
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12244
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Tom van der Woerdt
>            Priority: Minor
>              Labels: lhf
>
> In the view build progress given by compactionstats, there are several issues :
> {code}
>                                      id   compaction type   keyspace         table  
completed       total     unit   progress
>    038d3690-4dbe-11e6-b207-21ec388d48e6        View build      mykeyspace   mytable 
 844 bytes   967 bytes   ranges     87.28%
> Active compaction remaining time :        n/a
> {code}
> 1) those are ranges, not bytes
> 2) it's not at 87.28%, it's at ~4%. the method for calculating progress in Cassandra
is wrong: it neglects to sort the tokens it's iterating through (ViewBuilder.java) and thus
ends up with a random number.



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