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From "Hudson (JIRA)" <>
Subject [jira] [Commented] (AMBARI-9458) HDFS, YARN, and HBase Slave Health Alert Definitions
Date Sat, 07 Feb 2015 02:01:36 GMT


Hudson commented on AMBARI-9458:

FAILURE: Integrated in Ambari-trunk-Commit #1712 (See [])
AMBARI-9458 - HDFS, YARN, and HBase Slave Health Alert Definitions (Yurii Shylov via jonathanhurley)
* ambari-server/src/main/resources/common-services/YARN/
* ambari-server/src/main/resources/common-services/HDFS/
* ambari-server/src/main/resources/common-services/YARN/
* ambari-server/src/main/resources/common-services/HBASE/

> HDFS, YARN, and HBase Slave Health Alert Definitions
> ----------------------------------------------------
>                 Key: AMBARI-9458
>                 URL:
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>    Affects Versions: 2.0.0
>            Reporter: Yurii Shylov
>            Assignee: Yurii Shylov
>             Fix For: 2.0.0
>         Attachments: AMBARI-9458.patch
> When a slave component, such as a DataNode, encounters some catastrophic problem like
a heap allocation error, and no longer can perform its work, the NameNode marks this DataNode
as being unhealthy.
> The current alert definitions only check for the DataNode process being alive, which
is still technically is. We need to add new alert definitions for:
> - HDFS/DataNode (runs on NameNode, query is to NameNode JMX)
> - YARN/NodeManager (runs on ResourceManager, query is to ResourceManager JMX)
> - HBase/RegionServer (runs on HBase Master, queries HBase Master JMX)
> Which will check for slaves that are in some sort of bad state. Depending on the JMX
structures that need to be queried, these can either be METRIC or SCRIPT style alert definitions.

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