[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16621414#comment-16621414
]
Tao Yang commented on YARN-8771:
Thanks [~cheersyang] and [~leftnoteasy] !
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Fix For: 3.2.0, 3.1.2
>
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch,
> YARN-8771.003.patch, YARN-8771.004.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620498#comment-16620498
]
Hudson commented on YARN-8771:
--
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #15011 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/15011/])
YARN-8771. CapacityScheduler fails to unreserve when cluster resource (wwei:
rev 0712537e799bc03855d548d1f4bd690dd478b871)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestContainerAllocation.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Fix For: 3.2.0, 3.1.2
>
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch,
> YARN-8771.003.patch, YARN-8771.004.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620492#comment-16620492
]
Weiwei Yang commented on YARN-8771:
---
Oops, it should not be cherry-picked to branch-3.0 as YARN-8292 was fixed in
3.1.1. Just reverted it from branch-3.0.
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Fix For: 3.2.0, 3.1.2
>
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch,
> YARN-8771.003.patch, YARN-8771.004.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620474#comment-16620474
]
Weiwei Yang commented on YARN-8771:
---
LGTM, +1. Committing soon.
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch,
> YARN-8771.003.patch, YARN-8771.004.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620469#comment-16620469
]
Hadoop QA commented on YARN-8771:
-
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 |
| JIRA Issue | YARN-8771 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12940394/YARN-8771.004.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux 1ac8077cf8a5 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14
08:52:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / e435e12 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC1 |
| Test Results |
https://builds.apache.org/job/PreCommit-YARN-Build/21880/testReport/ |
| Max. process+thread count | 903 (vs. ulimit of 1) |
| modules | C:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
U:
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> CapacityScheduler fails to unres
[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620333#comment-16620333
]
Tao Yang commented on YARN-8771:
Attached v4 patch to fix check-style error. UT failures seem unrelated to the
patch.
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch,
> YARN-8771.003.patch, YARN-8771.004.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620180#comment-16620180
]
Hadoop QA commented on YARN-8771:
-
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26s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
1m 0s{color} | {color:orange}
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:
The patch generated 3 new + 24 unchanged - 0 fixed = 27 total (was 24) {color}
|
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
31s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
17m 28s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
52s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
58s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 99m 7s{color}
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
49s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}184m 36s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests |
hadoop.yarn.server.resourcemanager.TestApplicationMasterService |
| | hadoop.yarn.server.resourcemanager.applicationsmanager.TestAMRestart |
| | hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairScheduler |
| |
hadoop.yarn.server.resourcemanager.scheduler.capacity.TestQueueManagementDynamicEditPolicy
|
| | hadoop.yarn.server.resourcemanager.scheduler.TestAbstractYarnScheduler |
| | hadoop.yarn.server.resourcemanager.TestWorkPreservingRMRestart |
| | hadoop.yarn.server.resourcemanager.rmapp.TestApplicationLifetimeMonitor |
| |
hadoop.yarn.server.resourcemanager.scheduler.capacity.TestIncreaseAllocationExpirer
|
| |
hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacitySchedulerSchedulingRequestUpdate
|
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 |
| JIRA Issue | YARN-8771 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12940341/YARN-8771.003.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs c
[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620042#comment-16620042
]
Tao Yang commented on YARN-8771:
Attached v3 patch to improve unit test without adding new
"resource-types-1.xml" file.
Found the {{yarn.test.reset-resource-types}} configuration item from
TestCapacitySchedulerWithMultiResourceTypes, it can avoid reloading resource
types in MockRM.
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch,
> YARN-8771.003.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620001#comment-16620001
]
Tao Yang commented on YARN-8771:
Thanks [~leftnoteasy] for your review and suggestion.
I will update the patch later to improve unit test.
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16619835#comment-16619835
]
Wangda Tan commented on YARN-8771:
--
Nice catch! Thanks [~Tao Yang].
Patch LGTM as well. For the test, you can check
TestCapacitySchedulerWithMultiResourceTypes as examples about how to do unit
tests for multiple resource types without adding resource-types.xml.
And I think we should put this to branch-3.1 as well.
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16619208#comment-16619208
]
Weiwei Yang commented on YARN-8771:
---
OK, if that's the case, I am fine with the patch.
LGTM, +1, if we don't get any further comments, I will commit the patch by
tomorrow.
Thanks [~Tao Yang].
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
--
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16619181#comment-16619181
]
Tao Yang commented on YARN-8771:
Thanks [~cheersyang] for the review.
{quote}
Instead of adding a new "resource-types-1.xml", can we use
TestResourceUtils#addNewTypesToResources for the tests? I think it doesn't
matter to test with existing gpu or fpga resource correct?
{quote}
IIUC, MockRM will reset resource types and reload resource-types.xml
internally, without resource-types.xml, MockRM will only have two resource
types (memory and vcores), so that we can't simulate that cluster contains
empty resource type. Thoughts?
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
--
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16617162#comment-16617162
]
Weiwei Yang commented on YARN-8771:
---
[~Tao Yang], the patch looks good to me. Using isAnyMajorResourceAboveZero
check against the unreserve resource looks reasonable. Comments:
* Instead of adding a new "resource-types-1.xml", can we use
TestResourceUtils#addNewTypesToResources for the tests? I think it doesn't
matter to test with existing gpu or fpga resource correct?
Since isAnyMajorResourceAboveZero was added via YARN-8292, cc-ing [~jlowe],
[~eepayne] and [~leftnoteasy] for cross-check.
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> // How much need to unreserve equals to:
> // max(required - headroom, amountNeedUnreserve)
> Resource headRoom = Resources.clone(currentResoureLimits.getHeadroom());
> Resource resourceNeedToUnReserve =
> Resources.max(rc, clusterResource,
> Resources.subtract(capability, headRoom),
> currentResoureLimits.getAmountNeededUnreserve());
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> For example, resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu> when
> {{headRoom=<0GB, 8 vcores, 0 gpu>}} and {{capacity=<8GB, 2 vcores, 0 gpu>}},
> needToUnreserve which is the result of {{Resources#greaterThan}} will be
> {{false}}. This is not reasonable because required resource did exceed the
> headroom and unreserve is needed.
> After that, when reaching the unreserve process in
> RegularContainerAllocator#assignContainer, unreserve process will be skipped
> when shouldAllocOrReserveNewContainer is true (when required containers >
> reserved containers) and needToUnreserve is wrongly calculated to be false:
> {code:java}
> if (availableContainers > 0) {
> if (rmContainer == null && reservationsContinueLooking
> && node.getLabels().isEmpty()) {
> // unreserve process can be wrongly skipped when
> shouldAllocOrReserveNewContainer=true and needToUnreserve=false but required
> resource did exceed the headroom
> if (!shouldAllocOrReserveNewContainer || needToUnreserve) {
> ...
> }
> }
> }
> {code}
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16614673#comment-16614673
]
Weiwei Yang commented on YARN-8771:
---
[~Tao Yang], good catch and nice UT. I will help to review.
+[~sunilg] too
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> value of resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu>, result of
> {{Resources#greaterThan}} will be false if using DominantResourceCalculator.
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16614391#comment-16614391
]
Hadoop QA commented on YARN-8771:
-
| (/) *{color:green}+1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
30s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | {color:green} The patch appears to include 2 new or modified test
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 22m
8s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
58s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
47s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
2s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
14m 3s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
26s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
31s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
49s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
37s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m
2s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
13m 5s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
26s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 79m
13s{color} | {color:green} hadoop-yarn-server-resourcemanager in the patch
passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
36s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}138m 28s{color} |
{color:black} {color} |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 |
| JIRA Issue | YARN-8771 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12939643/YARN-8771.002.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle xml |
| uname | Linux c61ad89506f8 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14
08:52:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / ef5c776 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC1 |
| Test Results |
https://builds.apache.org/job/PreCommit-YARN-Build/21835/testReport/ |
| Max. process+thread count | 861 (vs. ulimit of 1) |
| modules | C:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
U:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
|
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/21835
[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16614300#comment-16614300
]
Tao Yang commented on YARN-8771:
Attached v2 patch to fix checkstyle error.
UT failure can't be reproduced in my local environment, it seems unrelated to
this patch.
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch, YARN-8771.002.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> value of resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu>, result of
> {{Resources#greaterThan}} will be false if using DominantResourceCalculator.
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[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16614021#comment-16614021
]
Hadoop QA commented on YARN-8771:
-
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
26s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | {color:green} The patch appears to include 2 new or modified test
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 18m
2s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
43s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
37s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
41s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
11m 6s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
11s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
26s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
39s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 28s{color} | {color:orange}
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:
The patch generated 2 new + 24 unchanged - 0 fixed = 26 total (was 24) {color}
|
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m
2s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
10m 40s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
22s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 72m 6s{color}
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
29s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}120m 18s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests |
hadoop.yarn.server.resourcemanager.scheduler.capacity.TestIncreaseAllocationExpirer
|
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 |
| JIRA Issue | YARN-8771 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12939543/YARN-8771.001.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle xml |
| uname | Linux 34b8283948e4 4.4.0-133-generic #159-Ubuntu SMP Fri Aug 10
07:31:43 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / e1b242a |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-YARN-Build/21832/artifact/out/diff-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn
[jira] [Commented] (YARN-8771) CapacityScheduler fails to unreserve when cluster resource contains empty resource type
[
https://issues.apache.org/jira/browse/YARN-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16613299#comment-16613299
]
Tao Yang commented on YARN-8771:
Attached v1 patch for review.
[~cheersyang], can you help to review this patch in your free time? Thanks
> CapacityScheduler fails to unreserve when cluster resource contains empty
> resource type
> ---
>
> Key: YARN-8771
> URL: https://issues.apache.org/jira/browse/YARN-8771
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
>Affects Versions: 3.2.0
>Reporter: Tao Yang
>Assignee: Tao Yang
>Priority: Critical
> Attachments: YARN-8771.001.patch
>
>
> We found this problem when cluster is almost but not exhausted (93% used),
> scheduler kept allocating for an app but always fail to commit, this can
> blocking requests from other apps and parts of cluster resource can't be used.
> Reproduce this problem:
> (1) use DominantResourceCalculator
> (2) cluster resource has empty resource type, for example: gpu=0
> (3) scheduler allocates container for app1 who has reserved containers and
> whose queue limit or user limit reached(used + required > limit).
> Reference codes in RegularContainerAllocator#assignContainer:
> {code:java}
> boolean needToUnreserve =
> Resources.greaterThan(rc, clusterResource,
> resourceNeedToUnReserve, Resources.none());
> {code}
> value of resourceNeedToUnReserve can be <8GB, -6 cores, 0 gpu>, result of
> {{Resources#greaterThan}} will be false if using DominantResourceCalculator.
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