You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2018/06/12 23:24:00 UTC
[jira] [Assigned] (HIVE-19875) increase LLAP IO queue size for perf
[ https://issues.apache.org/jira/browse/HIVE-19875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Prasanth Jayachandran reassigned HIVE-19875:
--------------------------------------------
> increase LLAP IO queue size for perf
> ------------------------------------
>
> Key: HIVE-19875
> URL: https://issues.apache.org/jira/browse/HIVE-19875
> Project: Hive
> Issue Type: Bug
> Affects Versions: 3.1.0, 4.0.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Priority: Major
>
> According to [~gopalv] queue limit has perf impact, esp. during hashtable load for mapjoin where in the past IO used to queue up more data for processing to process.
> 1) Overall the default limit could be adjusted higher.
> 2) Depending on Decimal64 availability, the weight for decimal columns could be reduced.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)