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Posted to issues@hive.apache.org by "László Bodor (Jira)" <ji...@apache.org> on 2020/08/24 14:41:00 UTC
[jira] [Commented] (HIVE-24065) Bloom filters can be cached after
deserialization in VectorInBloomFilterColDynamicValue
[ https://issues.apache.org/jira/browse/HIVE-24065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17183353#comment-17183353 ]
László Bodor commented on HIVE-24065:
-------------------------------------
the idea is to cache the bloom filters in order to eliminate deserialization
> Bloom filters can be cached after deserialization in VectorInBloomFilterColDynamicValue
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-24065
> URL: https://issues.apache.org/jira/browse/HIVE-24065
> Project: Hive
> Issue Type: Improvement
> Reporter: László Bodor
> Assignee: László Bodor
> Priority: Major
> Attachments: image-2020-08-05-10-05-25-080.png
>
>
> Same bloom filter is loaded multiple times across tasks. It would be good to check if we can optimise this, to avoid deserializing.
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