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Posted to notifications@asterixdb.apache.org by "Chen Luo (JIRA)" <ji...@apache.org> on 2018/01/06 05:37:03 UTC

[jira] [Resolved] (ASTERIXDB-2186) Cache-friendly bloom filter

     [ https://issues.apache.org/jira/browse/ASTERIXDB-2186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chen Luo resolved ASTERIXDB-2186.
---------------------------------
    Resolution: Fixed

> Cache-friendly bloom filter
> ---------------------------
>
>                 Key: ASTERIXDB-2186
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2186
>             Project: Apache AsterixDB
>          Issue Type: Improvement
>          Components: STO - Storage
>            Reporter: Chen Luo
>            Assignee: Chen Luo
>
> The current implementation of bloom filter is not cache friendly. A membership check needs to perform multiple hash probes, each of which requires a separate random memory access (i.e., cache miss).



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