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From James Taylor <jamestay...@apache.org>
Subject Re: monitoring
Date Tue, 01 Jul 2014 17:53:53 GMT
How about if we make it a hadoop2 only feature?

On Tuesday, July 1, 2014, Jesse Yates <jesse.k.yates@gmail.com> wrote:

> I was working on a patch to support using Cloudera's HTrace (
> https://github.com/cloudera/htrace) library for phoenix queries. There
> was a preliminary patch for the 2.X series, but it never got committed. Two
> weeks ago I almost finished porting it to the 4.X line, but haven't
> finished the piece that will support Hadoop1*. I can't seem to find the
> JIRA right now though...
>
> I've gotten sidetracked on some internal work, so probably not going to
> have time to wrap it up for a couple weeks.
>
> -J
>
> * It uses the Hadoop metrics2 library to collect the traces and then has a
> default implementation (as a metrics sink) that writes them to a phoenix
> table so it can be analyzed later. Because of the changes between Hadoop1
> and 2, there is some reflection funkiness that is necessary to support
> both, but just haven't finished the hadoop1 side of it.
> -------------------
> Jesse Yates
> @jesse_yates
> jyates.github.com
>
>
> On Tue, Jul 1, 2014 at 9:29 AM, Stephen Sprague <spragues@gmail.com
> <javascript:_e(%7B%7D,'cvml','spragues@gmail.com');>> wrote:
>
>> following up to my own message i did see reference to something called
>> "Hannibal" (https://github.com/sentric/hannibal) in the Phoenix doc.
>> Looks like this helps with identifying imbalance within your cluster.
>>
>> I'll keep searching around though - a Phoenix log file looks like perhaps
>> the best way to monitor phoenix queries at this point as i don't think
>> there is any self-aware queries to ask of it.  That's a jdbc driver issue
>> anyway - not phoenix.
>>
>> ​Cheers,
>> Stephen.​
>>
>>
>>
>> On Mon, Jun 30, 2014 at 10:17 PM, Stephen Sprague <spragues@gmail.com
>> <javascript:_e(%7B%7D,'cvml','spragues@gmail.com');>> wrote:
>>
>>> Hi guys,
>>>
>>> May i ask what tools you use to monitor (active) Phoenix queries?
>>>
>>> looking at the web ui for hbase master and region servers it isn't
>>> exactly intuitive as to what *phoenix* is doing.  Its probably a stretch to
>>> ask if there's something like "show processlist" (ala mysql) out there
>>> somewhere.
>>>
>>> so is there a log file with metrics in it that perhaps i could tail or
>>> analyze in realtime?   perhaps even feed it back into hbase? :)  hey, wait
>>> a sec, anything in those system tables that is realtime-ish?
>>>
>>> regardless, kinda curious how people monitor the Phoenix plant.
>>>
>>> thanks,
>>> Stephen.
>>>
>>>
>>>
>>
>

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