No problem. Please do take a look & comment when you get a chance though.

Thanks,

Manoj

On Mon, Jan 18, 2016 at 12:54 PM, Gour Saha <gs...@hortonworks.com> wrote:

> Thanks for filing the jira. I think that¹s the best way to capture it.
>
> -Gour
>
> On 1/18/16, 11:48 AM, "Manoj Samel" <manojsamelt...@gmail.com> wrote:
>
> >I have filed https://issues.apache.org/jira/browse/SLIDER-1064
> >
> >Thanks,
> >
> >Manoj
> >
> >On Fri, Jan 15, 2016 at 9:48 AM, Manoj Samel <manojsamelt...@gmail.com>
> >wrote:
> >
> >> Any thoughts ? I feel this is a bug - should I file Jira to track ?
> >>
> >> Thanks,
> >>
> >> On Wed, Jan 13, 2016 at 1:35 PM, Manoj Samel <manojsamelt...@gmail.com>
> >> wrote:
> >>
> >>> At some point, it is expected that the component host:port info ( i.e.
> >>> component discovery) is available in registry - Right ?
> >>>
> >>> On Wed, Jan 13, 2016 at 12:55 PM, Gour Saha <gs...@hortonworks.com>
> >>> wrote:
> >>>
> >>>> It is actually the other way round. The AM does not know about the
> >>>> components. The components lookup the registry to find the AM
> >>>>host:port
> >>>> and then heartbeat into it. In one of the heartbeat cycle it sends all
> >>>> its
> >>>> config info to AM. This design works well for AM fault tolerance as
> >>>>well.
> >>>>
> >>>> -Gour
> >>>>
> >>>> On 1/13/16, 12:40 PM, "Josh Elser" <josh.el...@gmail.com> wrote:
> >>>>
> >>>> >Yeah, I'm with you Manoj. It seems wrong to not see the exports for
> >>>> >jmemcached.
> >>>> >
> >>>> >Gour -- am I missing something too?
> >>>> >
> >>>> >Manoj Samel wrote:
> >>>> >> Shouldn't it also show component host:port in ZK when they are
> >>>>being
> >>>> >> exported in registry ? I thought that was the idea of registry ...
> >>>> >>
> >>>> >> On Tue, Jan 12, 2016 at 10:25 PM, Gour Saha<gs...@hortonworks.com>
> >>>> >>wrote:
> >>>> >>
> >>>> >>> The only host port that is in zk is that of the AM.
> >>>> >>>
> >>>> >>> -Gour
> >>>> >>>
> >>>> >>>> On Jan 12, 2016, at 6:21 PM, "Manoj
> >>>>Samel"<manojsamelt...@gmail.com
> >>>> >
> >>>> >>> wrote:
> >>>> >>>> Agreed. But I am not seeing even the host/port that is supposed
> >>>>to
> >>>> be
> >>>> >>>>in
> >>>> >>> ZK
> >>>> >>>> Thanks,
> >>>> >>>>
> >>>> >>>> Manoj
> >>>> >>>>
> >>>> >>>>> On Tue, Jan 12, 2016 at 5:52 PM, Gour
> >>>>Saha<gs...@hortonworks.com>
> >>>> >>> wrote:
> >>>> >>>>> In case you are expecting the data to be in zk, then you should
> >>>> know
> >>>> >>> that
> >>>> >>>>> Slider stores a very small amount of metadata (primarily
> >>>>endpoints
> >>>> >>>>>and
> >>>> >>>>> resource paths to AM) using which you can retrieve the actual
> >>>>data.
> >>>> >>>>>Most
> >>>> >>>>> of the information is stored in AM runtime memory and not
> >>>>persisted
> >>>> >>>>> anywhere. In case of AM failure all the AM state is rebuilt.
> >>>> >>>>>
> >>>> >>>>> -Gour
> >>>> >>>>>
> >>>> >>>>>> On 1/12/16, 5:24 PM, "Manoj Samel"<manojsamelt...@gmail.com>
> >>>> wrote:
> >>>> >>>>>>
> >>>> >>>>>> Hi Gour,
> >>>> >>>>>>
> >>>> >>>>>> As you asked, the urls and their outputs
> >>>> >>>>>>
> >>>> >>>>>> http://host36:1025/ws/v1/slider/publisher/exports
> >>>> >>>>>>
> >>>> >>>>>>
> >>>> >>>
> >>>>
> >>>>
> >>>>>>>{"exports":{"container_log_dirs":{"description":"container_log_dirs"
> >>>>>>>,"up
> >>>> >>>da
> >>>> >>>>>> ted":1452647463881,"updatedTime":"Wed
> >>>> >>>>>> Jan 13 01:11:03 UTC
> >>>> >>>>>>
> >>>> >>>
> >>>>
> >>>>
> >>>>>>>2016","entries":{},"empty":true},"container_work_dirs":{"description
> >>>>>>>":"c
> >>>> >>>on
> >>>> >>>>>> tainer_work_dirs","updated":1452647463881,"updatedTime":"Wed
> >>>> >>>>>> Jan 13 01:11:03 UTC 2016","entries":{},"empty":true}}}
> >>>> >>>>>>
> >>>> >>>>>> http://host36:1025/ws/v1/slider/publisher
> >>>> >>>>>>
> >>>> >>>>>> {"uris":{"slider":"
> >>>> http://host36:1025/ws/v1/slider/publisher/slider
> >>>> >>>>> ","expo
> >>>> >>>>>> rts":"http://host36:1025/ws/v1/slider/publisher/exports"}}
> >>>> >>>>>>
> >>>> >>>>>> http://host36:1025/ws/v1/slider/publisher/slider
> >>>> >>>>>>
> >>>> >>>>>> {"configurations":{"hdfs-site":{"description":"HDFS site
> >>>> >>>>>>
> >>>> >>>
> >>>>
> >>>>
> >>>>>>>settings","updated":0,"entries":{},"empty":true},"yarn-site":{"descr
> >>>>>>>ipti
> >>>> >>>on
> >>>> >>>>>> ":"YARN
> >>>> >>>>>> site
> >>>> >>>>>>
> >>>> >>>
> >>>>
> >>>>
> >>>>>>>settings","updated":0,"entries":{},"empty":true},"complete-config":{
> >>>>>>>"des
> >>>> >>>cr
> >>>> >>>>>> iption":"Complete
> >>>> >>>>>> slider application
> >>>> >>>>>>
> >>>> >>>
> >>>>
> >>>>
> >>>>>>>settings","updated":0,"entries":{},"empty":true},"core-site":{"descr
> >>>>>>>ipti
> >>>> >>>on
> >>>> >>>>>> ":"Core
> >>>> >>>>>> site
> >>>> >>>>>>
> >>>> >>>
> >>>>
> >>>>
> >>>>>>>settings","updated":0,"entries":{},"empty":true},"componentinstanced
> >>>>>>>ata"
> >>>> >>>:{
> >>>> >>>
> >>>>
> >>>>
> >>>>>>>"description":"ComponentInstanceData","updated":0,"entries":{},"empt
> >>>>>>>y":t
> >>>> >>>ru
> >>>> >>>>>> e}}}
> >>>> >>>>>>
> >>>> >>>>>> Thanks,
> >>>> >>>>>>
> >>>> >>>>>> Manoj
> >>>> >>>>>>
> >>>> >>>>>>
> >>>> >>>>>>> On Tue, Jan 12, 2016 at 3:03 PM, Gour
> >>>>Saha<gs...@hortonworks.com
> >>>> >
> >>>> >>> wrote:
> >>>> >>>>>>> When you do the below get, you will see an api entry for
> >>>> >>>>>>> "classpath:org.apache.slider.publisher.exports"
> >>>> >>>>>>>
> >>>> >>>>>>> get /registry/users/foo/services/org-apache-slider/<appname>
> >>>> >>>>>>>
> >>>> >>>>>>> Do a curl on the uri value. The uri will be in the format of
> >>>> >>>>>>> http://host:port/ws/v1/slider/publisher/exports. Do you find
> >>>>the
> >>>> >>>>>>>info
> >>>> >>>>>>> you
> >>>> >>>>>>> are looking for there?
> >>>> >>>>>>>
> >>>> >>>>>>> Also do a curl on the path ws/v1/slider/publisher and its
> >>>> >>>>>>>sub-paths.
> >>>> >>>>>>> What
> >>>> >>>>>>> do you see?
> >>>> >>>>>>>
> >>>> >>>>>>> -Gour
> >>>> >>>>>>>
> >>>> >>>>>>> From: Manoj Samel<manojsamelt...@gmail.com<mailto:
> >>>> >>>>>>> manojsamelt...@gmail.com>>
> >>>> >>>>>>> Reply-To: "dev@slider.incubator.apache.org<mailto:
> >>>> >>>>>>> dev@slider.incubator.apache.org>"
> >>>> >>>>>>> <dev@slider.incubator.apache.org<mailto:
> >>>> >>>>>>> dev@slider.incubator.apache.org>>
> >>>> >>>>>>> Date: Tuesday, January 12, 2016 at 11:24 AM
> >>>> >>>>>>> To: "dev@slider.incubator.apache.org<mailto:
> >>>> >>>>>>> dev@slider.incubator.apache.org>"
> >>>> >>>>>>> <dev@slider.incubator.apache.org<mailto:
> >>>> >>>>>>> dev@slider.incubator.apache.org>>
> >>>> >>>>>>> Subject: Re: Component level host:port export seen in AM but
> >>>>not
> >>>> >>>>>>>in ZK
> >>>> >>>>>>>
> >>>> >>>>>>> Hi Josh,
> >>>> >>>>>>>
> >>>> >>>>>>> I have created a minimal use case using the jmemcached to
> >>>> reproduce
> >>>> >>> the
> >>>> >>>>>>> problem. The only change from OOB jmemcached is I am passing
> >>>> >>> additional
> >>>> >>>>>>> ports (not relevant for jmem but relevant for my ultimate use
> >>>> >>>>>>>case),
> >>>> >>>>>>> one of
> >>>> >>>>>>> which I try to export.
> >>>> >>>>>>>
> >>>> >>>>>>> I have attached the 3 config files as well as a output file
> >>>> >>>>>>>containing
> >>>> >>>>>>> the
> >>>> >>>>>>> slider-am URL output (which contains the component host:port)
> >>>>and
> >>>> >>>>>>>ZK
> >>>> >>>>>>> output
> >>>> >>>>>>> (which does not contains component host:port).
> >>>> >>>>>>>
> >>>> >>>>>>> Thanks for looking into the issue&  let me know if you need
> >>>> >>>>>>>additional
> >>>> >>>>>>> info
> >>>> >>>>>>>
> >>>> >>>>>>> Manoj
> >>>> >>>>>>>
> >>>> >>>>>>> On Sun, Jan 10, 2016 at 11:26 AM, Josh Elser
> >>>> >>>>>>> <josh.el...@gmail.com<mailto:
> >>>> >>>>>>> josh.el...@gmail.com>>  wrote:
> >>>> >>>>>>> Hey Manoj,
> >>>> >>>>>>>
> >>>> >>>>>>> I'm not sure at a glance, but it might be a bug in Slider's
> >>>>use
> >>>> of
> >>>> >>>>>>>the
> >>>> >>>>>>> registry? I'm not quite sure, I'd have to dig into the source
> >>>>to
> >>>> be
> >>>> >>>>>>> sure.
> >>>> >>>>>>>
> >>>> >>>>>>> Do you have an example that I could run which exhibits this?
> >>>> >>>>>>>
> >>>> >>>>>>>
> >>>> >>>>>>> Manoj Samel wrote:
> >>>> >>>>>>> Any thoughts ?
> >>>> >>>>>>>
> >>>> >>>>>>> Thanks,
> >>>> >>>>>>>
> >>>> >>>>>>>
> >>>> >>>>>>>
> >>>> >>>>>>> On Thu, Jan 7, 2016 at 10:25 AM, Manoj
> >>>> >>>>>>>Samel<manojsamelt...@gmail.com
> >>>> >>>>>>> <mailto:manojsamelt...@gmail.com>>
> >>>> >>>>>>> wrote:
> >>>> >>>>>>>
> >>>> >>>>>>> Hi,
> >>>> >>>>>>>
> >>>> >>>>>>> Slider 0.80 with secured cluster. Registry is enabled ***
> >>>>without
> >>>> >>>>>>>***
> >>>> >>>>>>> security
> >>>> >>>>>>>
> >>>> >>>>>>> Export is configured as follows
> >>>> >>>>>>>
> >>>> >>>>>>> 1. No application level export
> >>>> >>>>>>> 2. Component level port allocated per container. In
> >>>> appConfig.json,
> >>>> >>> ***
> >>>> >>>>>>> "global" *** section
> >>>> >>>>>>>      "site.global.user1.http_port":
> >>>> >>>>>>> "${user1.ALLOCATED_PORT}{PER_CONTAINER}",
> >>>> >>>>>>> 3. Each component exports its own host/port (slider
> >>>>allocated).
> >>>> >>>>>>> metainfo.xml
> >>>> >>>>>>>            <components>
> >>>> >>>>>>>              <component>
> >>>> >>>>>>>                    <name>user1</name>
> >>>> >>>>>>>                    <category>MASTER</category>
> >>>> >>>>>>>                    <componentExports>
> >>>> >>>>>>>                       <componentExport>
> >>>> >>>>>>>                         <name>my_info</name>
> >>>> >>>>>>>
> >>>> >>>>>>><value>${THIS_HOST}:${user1.http_port}</value>
> >>>> >>>>>>>                      </componentExport>
> >>>> >>>>>>>                    </componentExports>
> >>>> >>>>>>>                    <commandScript>
> >>>> >>>>>>>                      <script>scripts/memcached.py</script>
> >>>> >>>>>>>                      <scriptType>PYTHON</scriptType>
> >>>> >>>>>>>                    </commandScript>
> >>>> >>>>>>>                  </component>
> >>>> >>>>>>>
> >>>> >>>>>>> At runtime, in
> >>>> >>>>>>>
> >>>> >>>
> >>>>
> >>>>
> http://am-host:1025/ws/v1/slider/publisher/slider/componentinstancedata
> >>>> >>>>> ,
> >>>> >>>>>>> the host:port info can be seen as expected
> >>>> >>>>>>>
> >>>> >>>>>>>
> >>>> >>>>>>>
> >>>> >>>
> >>>>
> >>>>
> >>>>>>>{"description":"ComponentInstanceData","updated":0,"entries":{"conta
> >>>>>>>iner
> >>>> >>>_
> >>>> >>>>>>> 1452045276360_0005_01_000004.my_info":"host1:33786",
> >>>> >>>>>>> ....
> >>>> >>>>>>>
> >>>> >>>>>>> However, when I look at ZK data,
> >>>> >>>>>>>
> >>>> >>>>>>> get
> >>>> >>>>>>>
> >>>> >>>>>>>
> >>>> >>>
> >>>>
> >>>>
> >>>>>>>/registry/users/foo/services/org-apache-slider/<appname>/components/
> >>>>>>>cont
> >>>> >>>a
> >>>> >>>>>>> iner-1452045276360-0005-01-000004,
> >>>> >>>>>>> I don't see the host:port info. It only shows
> >>>> >>>>>>>
> >>>> >>>>>>> {
> >>>> >>>>>>>    "type" : "JSONServiceRecord",
> >>>> >>>>>>>    "description" : "user1",
> >>>> >>>>>>>    "external" : [ ],
> >>>> >>>>>>>    "internal" : [ ],
> >>>> >>>>>>>    "yarn:id" : "container-1452045276360-0005-01-000004",
> >>>> >>>>>>>    "yarn:persistence" : "container"
> >>>> >>>>>>> }
> >>>> >>>>>>>
> >>>> >>>>>>> Any thought what I may be missing ?
> >>>> >>>>>>>
> >>>> >>>>>>> Related question - looking @
> >>>> >>>
> >>>> >>>
> >>>>
> >>>>
> https://hadoop.apache.org/docs/r2.7.1/hadoop-yarn/hadoop-yarn-site/regi
> >>>>s
> >>>> >>>t
> >>>> >>>>>>> ry/yarn-registry.html,
> >>>> >>>>>>> the spec and all examples of export list "protocol"
> >>>> >>>>>>>
> >>>> >>>>>>> e.g. REST, rmi etc. Its not clear if and how is that protocol
> >>>>to
> >>>> be
> >>>> >>>>>>> specified in the component export section ? Can anyone give a
> >>>> >>>>>>>example
> >>>> >>> ?
> >>>> >>>>>>> Thanks,
> >>>> >>>>>>>
> >>>> >>>>>>> Manoj
> >>>> >>>>>
> >>>> >>
> >>>> >
> >>>>
> >>>>
> >>>
> >>
>
>

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