I'll give that a try. Two things I'd like to get away from: 1) having to specify the time window (just get point-in-time metrics) 2) having to specify the fields. Accord to
https://github.com/apache/ambari/blob/trunk/ambari-server/docs/api/v1/index.md#monitoring I should be able to issue a query like this: GET /clusters/c1/services/HDFS/components/DATANODE and that will generate a response like this: { "href" : "http://your.ambari.server/api/v1/clusters/c1/services/HDFS/components/DATANODE";, "metrics" : { "process" : { "proc_total" : 697.75, "proc_run" : 0.875 }, "rpc" : { ... }, "ugi" : { ... }, "dfs" : { "datanode" : { ... } }, "disk" : { ... }, "cpu" : { ... } ... }, "ServiceComponentInfo" : { "cluster_name" : "c1", "component_name" : "DATANODE", "service_name" : "HDFS" "state" : "STARTED" }, "host_components" : [ { "href" : "http://your.ambari.server/api/v1/clusters/c1/hosts/host1/host_components/DATANODE";, "HostRoles" : { "cluster_name" : "c1", "component_name" : "DATANODE", "host_name" : "host1" } } ] } On Tuesday, February 23, 2016 22:04:54 Aravindan Vijayan wrote: > Edit : The URL should be > > http:localhost:8080/api/v1/clusters/winchester/services/YARN/components/NODE > MANAGER?fields=metrics/yarn/ContainersFailed._sum[1456261150,1456264750,15], > metrics/yarn/ContainersCompleted._sum[1456261150,1456264750,15],metrics/yarn > /ContainersLaunched._sum[1456261150,1456264750,15],metrics/yarn/ContainersIn > iting._sum[1456261150,1456264750,15],metrics/yarn/ContainersKilled._sum[1456 > 261150,1456264750,15] > > > > -- > Thanks and Regards, > Aravindan Vijayan > > > > > > > > > On 2/23/16, 2:03 PM, "Aravindan Vijayan" <[email protected]> wrote: > > > >Hi Joshua, > > > >You can get metrics using the fields=metrics predicate. Can you try > >something like this? > > > >https://hcube2-1n01.eng.hortonworks.com:8443/api/v1/clusters/winchester/ser > >vices/YARN/components/NODEMANAGER?fields=metrics/yarn/ContainersFailed._sum > >[1456261150,1456264750,15],metrics/yarn/ContainersCompleted._sum[1456261150 > >,1456264750,15],metrics/yarn/ContainersLaunched._sum[1456261150,1456264750, > >15],metrics/yarn/ContainersIniting._sum[1456261150,1456264750,15],metrics/y > >arn/ContainersKilled._sum[1456261150,1456264750,15] > > > >The metrics are defined in the metrics.json for the service. For example, > >for YARN it will be at > >/var/lib/ambari-server/resources/common-services/YARN/2.1.0.2.0/YARN_metri > >cs.json. > > > >-- > >Thanks and Regards, > >Aravindan Vijayan > > > > > > > > > > > > > > > >On 2/23/16, 1:47 PM, "Joshua J. Kugler" <[email protected]> wrote: > > > > > >>FYI: The Ambari IRC channel is dead-ish. :) > >> > >>So, according to the docs here: > >> > >>https://github.com/apache/ambari/blob/trunk/ambari-server/docs/api/v1/inde > >>x.md > >>a call such as this: > >>GET /clusters/c1/services/HDFS/components/DATANODE > >> > >>should return a bunch of metrics including rpc, disk, cpu, etc. I'm > >>issuing this query against our Ambari server: > >> > >>http://localhost:8080/api/v1/clusters/data-torrent/services/YARN/component > >>s/YARN_CLIENT > >>but I'm not getting nearly as much information. I'm only getting this: > >> > >>https://gist.github.com/jkugler/db42cf9839e805606016 > >> > >>What is the best way to get metrics from the Ambari REST API? > >> > >>Thanks! > >> > >>j > >> > >>-- > >>Joshua J. Kugler - Fairbanks, Alaska > >>Azariah Enterprises - Programming and Website Design > >>[email protected] - Jabber: [email protected] > >>PGP Key: http://pgp.mit.edu/ ID 0x73B13B6A > >> -- Joshua J. Kugler - Fairbanks, Alaska Azariah Enterprises - Programming and Website Design [email protected] - Jabber: [email protected] PGP Key: http://pgp.mit.edu/ ID 0x73B13B6A
