[jira] [Commented] (YARN-11083) Wrong ResourceLimit calc logic when use DRC comparator cause too many "Failed to accept this proposal"
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https://issues.apache.org/jira/browse/YARN-11083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17503959#comment-17503959
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tuyu commented on YARN-11083:
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the failed testcase it not related this issue.
> Wrong ResourceLimit calc logic when use DRC comparator cause too many "Failed
> to accept this proposal"
> --
>
> Key: YARN-11083
> URL: https://issues.apache.org/jira/browse/YARN-11083
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
>Affects Versions: 3.1.0
>Reporter: tuyu
>Priority: Major
> Fix For: 3.4.0
>
> Attachments: YARN-11083.001.patch
>
>
> in our cluster: 6k+ node, 600+ queues， when cluster is very busy, the commit
> fail metric will more then 50+ thousand，so, we To reproduce this case:
> Queue tree:
> {code:java}
>Root max <60G, 100>
> /
>A max <60G, 100>
> /\
> A1 A2
> max<5G,100> max<40,70>
> {code}
>
> Test this situation
> A2 allocate <30GB, 1> then A has <30, 99>
> A1 allocate <10, 1>
> expected behavior is checkHeadRoom will reject this request,because queue max
> capacity is <5g，100vcore>.
> but getCurrentLimitResource use DominantResourceCalculator
> resourceCalculator.min will return resouceLimit == <30G,99>. because cpu is
> max share， that will cause scheduler thread will allocate <10G, 1vcore>
> success， but the commit thread tryCommit use AbstractCSQueue.accept
> Resources.fitsIn check memory and vcore and fail the <10G, 1vcore> commit
> Based on this analysis：
> getCurrentLimitResource return
> {code:java}
> return Resources.componentwiseMin(
> Resources.min(resourceCalculator, clusterResource,
> queueMaxResource, currentResourceLimits.getLimit()),
> queueMaxResource);
> {code}
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[jira] [Commented] (YARN-11083) Wrong ResourceLimit calc logic when use DRC comparator cause too many "Failed to accept this proposal"
[
https://issues.apache.org/jira/browse/YARN-11083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17503707#comment-17503707
]
Hadoop QA commented on YARN-11083:
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|| Vote || Subsystem || Runtime || Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 32m
4s{color} | {color:blue}{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} || ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m
0s{color} | {color:green}{color} | {color:green} No case conflicting files
found. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green}{color} | {color:green} The patch does not contain any
@author tags. {color} |
| {color:green}+1{color} | {color:green} {color} | {color:green} 0m 0s{color}
| {color:green}test4tests{color} | {color:green} The patch appears to include 1
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 37m
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| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
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| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 23m
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