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Posted to dev@lens.apache.org by "Puneet Gupta (JIRA)" <ji...@apache.org> on 2017/05/22 12:40:05 UTC

[jira] [Assigned] (LENS-981) Add Memory gatekeepers for InMemoryResultSet to prevent any OOM on lens server

     [ https://issues.apache.org/jira/browse/LENS-981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Puneet Gupta reassigned LENS-981:
---------------------------------

    Assignee: Lavkesh Lahngir  (was: Puneet Gupta)

> Add Memory gatekeepers for InMemoryResultSet to prevent any OOM on lens server
> ------------------------------------------------------------------------------
>
>                 Key: LENS-981
>                 URL: https://issues.apache.org/jira/browse/LENS-981
>             Project: Apache Lens
>          Issue Type: Improvement
>          Components: server
>            Reporter: Puneet Gupta
>            Assignee: Lavkesh Lahngir
>             Fix For: 2.7
>
>
> In Some cases operations on InMemoryResultSet can result is high memory usage on LensServer 
> 1. InMemoryResultSet.toQueryResult()  is done for a huge result
> 2. lens.query.prefetch.inmemory.resultset.rows = Huge Number . 
> In both cases we need to have some gate keeping as these features can be accessed/configured by users 



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