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https://issues.apache.org/jira/browse/HDDS-1559?focusedWorklogId=247840&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-247840
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ASF GitHub Bot logged work on HDDS-1559:
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Author: ASF GitHub Bot
Created on: 24/May/19 02:47
Start Date: 24/May/19 02:47
Worklog Time Spent: 10m
Work Description: arp7 commented on issue #841: HDDS-1559. Include
committedBytes to determine Out of Space in VolumeChoosingPolicy. Contributed
by Supratim Deka
URL: https://github.com/apache/hadoop/pull/841#issuecomment-495453061
+1 pending the pre-commit run.
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Issue Time Tracking
-------------------
Worklog Id: (was: 247840)
Time Spent: 50m (was: 40m)
> Include committedBytes to determine Out of Space in VolumeChoosingPolicy
> ------------------------------------------------------------------------
>
> Key: HDDS-1559
> URL: https://issues.apache.org/jira/browse/HDDS-1559
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: Ozone Datanode
> Reporter: Supratim Deka
> Assignee: Supratim Deka
> Priority: Major
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> This is a follow-up from HDDS-1511 and HDDS-1535
> Currently when creating a new Container, the DN invokes
> RoundRobinVolumeChoosingPolicy:chooseVolume(). This routine checks for
> (volume available space > container max size). If no eligible volume is
> found, the policy throws a DiskOutOfSpaceException. This is the current
> behaviour.
> However, the computation of available space does not take into consideration
> the space
> that is going to be consumed by writes to existing containers which are still
> Open and accepting chunk writes.
> This Jira proposes to enhance the space availability check in chooseVolume by
> inclusion of committed space(committedBytes in HddsVolume) in the equation.
> The handling/management of the exception in Ratis will not be modified in
> this Jira. That will be scoped separately as part of Datanode IO Failure
> handling work.
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