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Posted to issues@hawq.apache.org by "Hubert Zhang (JIRA)" <ji...@apache.org> on 2016/02/18 10:25:18 UTC
[jira] [Assigned] (HAWQ-420) Memory leaks in DataLocality during
ANALYZE lasting 1 ~ 2 days on 100 nodes cluster.
[ https://issues.apache.org/jira/browse/HAWQ-420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hubert Zhang reassigned HAWQ-420:
---------------------------------
Assignee: Hubert Zhang (was: Lei Chang)
> Memory leaks in DataLocality during ANALYZE lasting 1 ~ 2 days on 100 nodes cluster.
> ------------------------------------------------------------------------------------
>
> Key: HAWQ-420
> URL: https://issues.apache.org/jira/browse/HAWQ-420
> Project: Apache HAWQ
> Issue Type: Bug
> Components: Core
> Reporter: Hubert Zhang
> Assignee: Hubert Zhang
>
> On about 100 nodes cluster (SFO), we load data to lineitem and then do ANALYZE on it. It takes 1 ~ 2 days before we cancel the ANALYZE and the QD uses about 48G memory. The major memory consumers are:
> ```
> TopMemoryContext: 48G
> ----------------------------------------------------------
> other: 44G
> split_to_segment_mapping_context: 4G
> ```
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