通过cloudera manager API重新启动jobtracker [英] restart jobtracker through cloudera manager API

问题描述

我试图通过Cloudera Manager API重新启动Mapreduce Jobtracker。 Jobtracker的统计信息如下：

I am trying to restart Mapreduce Jobtracker through Cloudera Manager API. Stats for Jobtracker is as follows :

local-iMac-399:$ curl -u 'admin:admin' 'http://hadoop-namenode.dev.com:7180/api/v6/clusters/Cluster%201/services/mapreduce/roles/mapreduce-JOBTRACKER-0675ebab2b87e3869e0d90167cf4bf86'
{
  "name" : "mapreduce-JOBTRACKER-0675ebab2b87e3869e0d90167cf4bf86",
  "type" : "JOBTRACKER",
  "serviceRef" : {
    "clusterName" : "cluster",
    "serviceName" : "mapreduce"
  },
  "hostRef" : {
    "hostId" : "24259373-7e71-4089-8251-faf055e42ad7"
  },
  "roleUrl" : "http://hadoop-namenode.dev.com:7180/cmf/roleRedirect/mapreduce-JOBTRACKER-0675ebab2b87e3869e0d90167cf4bf86",
  "roleState" : "STARTED",
  "healthSummary" : "GOOD",
  "healthChecks" : [ {
  "name" : "JOB_TRACKER_FILE_DESCRIPTOR",
  "summary" : "GOOD"
}, {
"name" : "JOB_TRACKER_GC_DURATION",
"summary" : "GOOD"
}, {
"name" : "JOB_TRACKER_HOST_HEALTH",
"summary" : "GOOD"
}, {
"name" : "JOB_TRACKER_LOG_DIRECTORY_FREE_SPACE",
"summary" : "GOOD"
}, {
"name" : "JOB_TRACKER_SCM_HEALTH",
"summary" : "GOOD"
}, {
"name" : "JOB_TRACKER_UNEXPECTED_EXITS",
"summary" : "GOOD"
}, {
"name" : "JOB_TRACKER_WEB_METRIC_COLLECTION",
"summary" : "GOOD"
} ],
"configStalenessStatus" : "STALE",
"haStatus" : "ACTIVE",
"maintenanceMode" : false,
"maintenanceOwners" : [ ],
"commissionState" : "COMMISSIONED",
"roleConfigGroupRef" : {
"roleConfigGroupName" : "mapreduce-JOBTRACKER-BASE"
}
}
local-iMac-399:$ 

不知道如何使用API​​重新启动Jobtracker？

Dont know How do I use API to restart just Jobtracker ?

我尝试使用以下命令重新启动Hive服务，但得到了一些错误

I tried to restart Hive service using following command but got some error

local-iMac-399:$curl -X POST -u 'admin:admin'  'http://hadoop-namenode.dev.com:7180/api/v6/clusters/Cluster%201/services/hive/roleCommands/restart'
{
 "message" : "No content to map due to end-of-input\n at [Source: org.apache.cxf.transport.http.AbstractHTTPDestination$1@4169c499; line: 1, column: 1]"
 }

如果有人帮忙了解如何使用Cloudera Manager API

I would appreciate if someone help in understanding how to use Cloudera Manager API

推荐答案

根据提供的信息，您将如何调用CM API JobTracker重新启动

Based on the information provided, this is how you'd invoke the CM API JobTracker restart

curl -u 'admin:admin' -X POST -H "Content-Type:application/json" -d '{"items":["mapreduce-JOBTRACKER-0675ebab2b87e3869e0d90167cf4bf86"]}' 'http://hadoop-namenode.dev.com:7180/api/v6/clusters/Cluster%201/services/mapreduce/roleCommands/restart'

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