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YARN-2157. Added YARN metrics in the documentaion. Contributed by Akira AJISAKA

This commit is contained in:
Jian He 2014-11-18 16:12:39 -08:00
parent ef38fb9758
commit 90a968d675
2 changed files with 142 additions and 0 deletions
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139
hadoop-common-project/hadoop-common/src/site/apt/Metrics.apt.vm
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@ -605,6 +605,145 @@ dfs context
| packets in nanoseconds
*-------------------------------------+--------------------------------------+
yarn context
* ClusterMetrics
ClusterMetrics shows the metrics of the YARN cluster from the
ResourceManager's perspective. Each metrics record contains
Hostname tag as additional information along with metrics.
*-------------------------------------+--------------------------------------+
|| Name || Description
*-------------------------------------+--------------------------------------+
|<<<NumActiveNMs>>> | Current number of active NodeManagers
*-------------------------------------+--------------------------------------+
|<<<NumDecommissionedNMs>>> | Current number of decommissioned NodeManagers
*-------------------------------------+--------------------------------------+
|<<<NumLostNMs>>> | Current number of lost NodeManagers for not sending
| heartbeats
*-------------------------------------+--------------------------------------+
|<<<NumUnhealthyNMs>>> | Current number of unhealthy NodeManagers
*-------------------------------------+--------------------------------------+
|<<<NumRebootedNMs>>> | Current number of rebooted NodeManagers
*-------------------------------------+--------------------------------------+
* QueueMetrics
QueueMetrics shows an application queue from the
ResourceManager's perspective. Each metrics record shows
the statistics of each queue, and contains tags such as
queue name and Hostname as additional information along with metrics.
In <<<running_>>><num> metrics such as <<<running_0>>>, you can set the
property <<<yarn.resourcemanager.metrics.runtime.buckets>>> in yarn-site.xml
to change the buckets. The default values is <<<60,300,1440>>>.
*-------------------------------------+--------------------------------------+
|| Name || Description
*-------------------------------------+--------------------------------------+
|<<<running_0>>> | Current number of running applications whose elapsed time are
| less than 60 minutes
*-------------------------------------+--------------------------------------+
|<<<running_60>>> | Current number of running applications whose elapsed time are
| between 60 and 300 minutes
*-------------------------------------+--------------------------------------+
|<<<running_300>>> | Current number of running applications whose elapsed time are
| between 300 and 1440 minutes
*-------------------------------------+--------------------------------------+
|<<<running_1440>>> | Current number of running applications elapsed time are
| more than 1440 minutes
*-------------------------------------+--------------------------------------+
|<<<AppsSubmitted>>> | Total number of submitted applications
*-------------------------------------+--------------------------------------+
|<<<AppsRunning>>> | Current number of running applications
*-------------------------------------+--------------------------------------+
|<<<AppsPending>>> | Current number of applications that have not yet been
| assigned by any containers
*-------------------------------------+--------------------------------------+
|<<<AppsCompleted>>> | Total number of completed applications
*-------------------------------------+--------------------------------------+
|<<<AppsKilled>>> | Total number of killed applications
*-------------------------------------+--------------------------------------+
|<<<AppsFailed>>> | Total number of failed applications
*-------------------------------------+--------------------------------------+
|<<<AllocatedMB>>> | Current allocated memory in MB
*-------------------------------------+--------------------------------------+
|<<<AllocatedVCores>>> | Current allocated CPU in virtual cores
*-------------------------------------+--------------------------------------+
|<<<AllocatedContainers>>> | Current number of allocated containers
*-------------------------------------+--------------------------------------+
|<<<AggregateContainersAllocated>>> | Total number of allocated containers
*-------------------------------------+--------------------------------------+
|<<<AggregateContainersReleased>>> | Total number of released containers
*-------------------------------------+--------------------------------------+
|<<<AvailableMB>>> | Current available memory in MB
*-------------------------------------+--------------------------------------+
|<<<AvailableVCores>>> | Current available CPU in virtual cores
*-------------------------------------+--------------------------------------+
|<<<PendingMB>>> | Current pending memory resource requests in MB that are
| not yet fulfilled by the scheduler
*-------------------------------------+--------------------------------------+
|<<<PendingVCores>>> | Current pending CPU allocation requests in virtual
| cores that are not yet fulfilled by the scheduler
*-------------------------------------+--------------------------------------+
|<<<PendingContainers>>> | Current pending resource requests that are not
| yet fulfilled by the scheduler
*-------------------------------------+--------------------------------------+
|<<<ReservedMB>>> | Current reserved memory in MB
*-------------------------------------+--------------------------------------+
|<<<ReservedVCores>>> | Current reserved CPU in virtual cores
*-------------------------------------+--------------------------------------+
|<<<ReservedContainers>>> | Current number of reserved containers
*-------------------------------------+--------------------------------------+
|<<<ActiveUsers>>> | Current number of active users
*-------------------------------------+--------------------------------------+
|<<<ActiveApplications>>> | Current number of active applications
*-------------------------------------+--------------------------------------+
|<<<FairShareMB>>> | (FairScheduler only) Current fair share of memory in MB
*-------------------------------------+--------------------------------------+
|<<<FairShareVCores>>> | (FairScheduler only) Current fair share of CPU in
| virtual cores
*-------------------------------------+--------------------------------------+
|<<<MinShareMB>>> | (FairScheduler only) Minimum share of memory in MB
*-------------------------------------+--------------------------------------+
|<<<MinShareVCores>>> | (FairScheduler only) Minimum share of CPU in virtual
| cores
*-------------------------------------+--------------------------------------+
|<<<MaxShareMB>>> | (FairScheduler only) Maximum share of memory in MB
*-------------------------------------+--------------------------------------+
|<<<MaxShareVCores>>> | (FairScheduler only) Maximum share of CPU in virtual
| cores
*-------------------------------------+--------------------------------------+
* NodeManagerMetrics
NodeManagerMetrics shows the statistics of the containers in the node.
Each metrics record contains Hostname tag as additional information
along with metrics.
*-------------------------------------+--------------------------------------+
|| Name || Description
*-------------------------------------+--------------------------------------+
|<<<containersLaunched>>> | Total number of launched containers
*-------------------------------------+--------------------------------------+
|<<<containersCompleted>>> | Total number of successfully completed containers
*-------------------------------------+--------------------------------------+
|<<<containersFailed>>> | Total number of failed containers
*-------------------------------------+--------------------------------------+
|<<<containersKilled>>> | Total number of killed containers
*-------------------------------------+--------------------------------------+
|<<<containersIniting>>> | Current number of initializing containers
*-------------------------------------+--------------------------------------+
|<<<containersRunning>>> | Current number of running containers
*-------------------------------------+--------------------------------------+
|<<<allocatedContainers>>> | Current number of allocated containers
*-------------------------------------+--------------------------------------+
|<<<allocatedGB>>> | Current allocated memory in GB
*-------------------------------------+--------------------------------------+
|<<<availableGB>>> | Current available memory in GB
*-------------------------------------+--------------------------------------+
ugi context
* UgiMetrics

3
hadoop-yarn-project/CHANGES.txt
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@ -75,6 +75,9 @@ Release 2.7.0 - UNRELEASED
YARN-2690. [YARN-2574] Make ReservationSystem and its dependent classes
independent of Scheduler type. (Anubhav Dhoot via kasha)
YARN-2157. Added YARN metrics in the documentaion. (Akira AJISAKA via
jianhe)
OPTIMIZATIONS
BUG FIXES