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From "Chris Lambert (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AURORA-1211) Spread snapshot creation and backup file write
Date Mon, 06 Apr 2015 16:36:12 GMT

     [ https://issues.apache.org/jira/browse/AURORA-1211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Lambert updated AURORA-1211:
----------------------------------

Adding to the AURORA-999 performance improvements epic.

> Spread snapshot creation and backup file write
> ----------------------------------------------
>
>                 Key: AURORA-1211
>                 URL: https://issues.apache.org/jira/browse/AURORA-1211
>             Project: Aurora
>          Issue Type: Task
>          Components: Scheduler
>            Reporter: Maxim Khutornenko
>            Assignee: Maxim Khutornenko
>
> Currently, backup files are written asynchronously and overlay with the peak of GC cleaning
up after persisting snapshot in native log. We should generally avoid overlaying resource-heavy
activities when possible to avoid troubleshooting complicated performance related issues.
> Consider delaying backup file write (e.g. for 1 minute) to clearly separate its impact
from the snapshot GC.



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