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https://issues.apache.org/jira/browse/YARN-6428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15953068#comment-15953068
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Bibin A Chundatt edited comment on YARN-6428 at 4/3/17 12:44 PM:
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{{ResourceCalculator#multiplyAndNormalizeUp}} using double to multiply and ceil
for am limit factor.
{code}
roundUp(
(int)Math.ceil(r.getMemorySize() * by)
{code}
{{0.1}} will be {{0.100000000012312444}} so multiple and ceil and round by will
give give 4097 instead of 4096.
was (Author: bibinchundatt):
{{ResourceCalculator#multiplyAndNormalizeUp}} using double to multiply and ceil
for am limit factor.
{code}
roundUp(
(int)Math.ceil(r.getMemorySize() * by)
{code}
will give 4097 instead of 4096 .
> Queue AM limit is not honored in CS always
> -------------------------------------------
>
> Key: YARN-6428
> URL: https://issues.apache.org/jira/browse/YARN-6428
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Attachments: YARN-6428.0001.patch
>
>
> Steps to reproduce
> ------------------------
> Setup cluster with 40 GB and 40 vcores with 4 Node managers with 10 GB each.
> Configure 100% to default queue as capacity and max am limit as 10 %
> Minimum scheduler memory and vcore as 512,1
> *Expected*
> AM limit 4096 and 4 vores
> *Actual*
> AM limit 4096+512 and 4+1 vcore
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