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Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2017/04/20 01:24:04 UTC

[jira] [Updated] (KAFKA-4850) RocksDb cannot use Bloom Filters

     [ https://issues.apache.org/jira/browse/KAFKA-4850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang updated KAFKA-4850:
---------------------------------
    Priority: Major  (was: Minor)

> RocksDb cannot use Bloom Filters
> --------------------------------
>
>                 Key: KAFKA-4850
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4850
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>    Affects Versions: 0.10.2.0
>            Reporter: Eno Thereska
>            Assignee: Bharat Viswanadham
>             Fix For: 0.11.0.0
>
>
> Bloom Filters would speed up RocksDb lookups. However they currently do not work in RocksDb 5.0.2. This has been fixed in trunk, but we'll have to wait until that is released and tested. 
> Then we can add the line in RocksDbStore.java in openDb:
> tableConfig.setFilter(new BloomFilter(10));



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