You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@ambari.apache.org by "Aravindan Vijayan (JIRA)" <ji...@apache.org> on 2016/05/26 21:33:13 UTC

[jira] [Updated] (AMBARI-15872) Provide ability to tune WAL file writes for AMS HBase tables

     [ https://issues.apache.org/jira/browse/AMBARI-15872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aravindan Vijayan updated AMBARI-15872:
---------------------------------------
    Component/s: ambari-metrics

> Provide ability to tune WAL file writes for AMS HBase tables 
> -------------------------------------------------------------
>
>                 Key: AMBARI-15872
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15872
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-metrics
>            Reporter: Aravindan Vijayan
>            Assignee: Aravindan Vijayan
>            Priority: Blocker
>         Attachments: AMBARI-15872.patch
>
>
> This is a tuning parameter that can be used in HBase to improve performance as a trade-off to data loss. For large clusters, this is a very useful optimization that can be employed. 
> FIX
> Added an optional config (Not available through default from the stack)
> ams-site : timeline.metrics.tables.durability
> Valid values it can take : SKIP_WAL / SYNC_WAL / ASYNC_WAL / FSYNC_WAL



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)