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Posted to issues@hawq.apache.org by "Ruilong Huo (JIRA)" <ji...@apache.org> on 2016/02/20 15:36:18 UTC

[jira] [Updated] (HAWQ-426) Memory leak for query and prepared statement due to introduction of query resource parameters

     [ https://issues.apache.org/jira/browse/HAWQ-426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ruilong Huo updated HAWQ-426:
-----------------------------
    Summary: Memory leak for query and prepared statement due to introduction of query resource parameters  (was: Fix memory leak for query and prepared statement due to introduction of query resource parameters)

> Memory leak for query and prepared statement due to introduction of query resource parameters
> ---------------------------------------------------------------------------------------------
>
>                 Key: HAWQ-426
>                 URL: https://issues.apache.org/jira/browse/HAWQ-426
>             Project: Apache HAWQ
>          Issue Type: Bug
>          Components: Core, Query Execution
>    Affects Versions: 2.0.0-beta-incubating
>            Reporter: Ruilong Huo
>            Assignee: Ruilong Huo
>             Fix For: 2.0.0
>
>
> During resource allocation for query and prepared statement, we cache the query resource parameters so that query resource can be allocated for multiple query execution after query preparation. Currently, query resource parameters is kept in CacheMemoryContext or TopMemoryContext which may lead to memory leak.



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