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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-9068) AntiCompaction should calculate a more accurate lower bound on bloom filter size for each target
Date Sun, 05 Feb 2017 16:37:41 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-9068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Yeschenko updated CASSANDRA-9068:
-----------------------------------------
    Fix Version/s:     (was: 3.x)
                   4.x

> AntiCompaction should calculate a more accurate lower bound on bloom filter size for
each target
> ------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-9068
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9068
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Benedict
>             Fix For: 4.x
>
>
> As a follow up to CASSANDRA-9060, the ratio of occupancy for each resultant file for
an anticompaction group (or single sstable in 2.1) could be estimated with a tweaked version
of estimatedKeysForRanges(), and a method for inverting a range collection.



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