Open Stack

Hi Thomas,

Not yet, sorry. But working on it (in parallel!), was having a bit of an
issue setting up a new env with devstack.

Will update you as soon as I have some results.

Thanks,
Stas





On 3 September 2013 23:00, Thomas Maddox <thomas.maddox at rackspace.com>wrote:

>  Hey Stas,
>
>  Were you ever able to get any answers on this? :)
>
>  Thanks!
>
>  -Thomas
>
>   On 8/12/13 9:42 AM, "Thomas Maddox" <thomas.maddox at RACKSPACE.COM> wrote:
>
>   Happens all of the time. I haven't been able to get a single meter
> stored. :(
>
>   From: Stas Maksimov <maksimov at gmail.com>
> Reply-To: OpenStack Development Mailing List <
> openstack-dev at lists.openstack.org>
> Date: Monday, August 12, 2013 9:34 AM
> To: OpenStack Development Mailing List <openstack-dev at lists.openstack.org>
> Subject: Re: [openstack-dev] [Ceilometer] Need help with HBase backend
>
>  Is it sporadic or happens all the time?
>
>  In my case my Ceilometer VM was different from HBase VM, so I'm not sure
> if DHCP issues can affect localhost connections.
>
>  Thanks,
> Stas
>
> On 12 August 2013 15:29, Thomas Maddox <thomas.maddox at rackspace.com>wrote:
>
>>  Hmmm, that's interesting.
>>
>>  That would effect an all-in-one deployment? It's referencing localhost
>> right now; not distributed. My Thrift server is hbase://127.0.0.1:9090/.
>> Or would that still effect it, because it's a software facilitated
>> localhost reference and I'm doing dev inside of a VM (in the cloud) rather
>> than a hardware host?
>>
>>  I really appreciate your help!
>>
>>  -Thomas
>>
>>   From: Stas Maksimov <maksimov at gmail.com>
>> Reply-To: OpenStack Development Mailing List <
>> openstack-dev at lists.openstack.org>
>> Date: Monday, August 12, 2013 9:17 AM
>> To: OpenStack Development Mailing List <openstack-dev at lists.openstack.org
>> >
>> Subject: Re: [openstack-dev] [Ceilometer] Need help with HBase backend
>>
>>  Aha, so here it goes. The problem was not caused by monkey-patching or
>> multithreading issues, it was caused by the DevStack VM losing its
>> connection and getting a new address from the DHCP server. Once I fixed the
>> connection issues, the problem with eventlet disappeared.
>>
>> Hope this helps,
>> Stas
>>
>> On 12 August 2013 14:49, Stas Maksimov <maksimov at gmail.com> wrote:
>>
>>> Hi Thomas,
>>>
>>> I definitely saw this before, iirc it was caused by monkey-patching
>>> somewhere else in ceilometer. It was fixed in the end before i submitted
>>> hbase implementation.
>>>
>>> At this moment unfortunately that's all I can recollect on the subject.
>>> I'll get back to you if I have an 'aha' moment on this. Feel free to
>>> contact me off-list regarding this hbase driver.
>>>
>>> Thanks,
>>> Stas.
>>>   Hey team,
>>>
>>>  I am working on a fix for retrieving the latest metadata on a resource
>>> rather than the first with the HBase implementation, and I'm running into
>>> some trouble when trying to get my dev environment to work with HBase. It
>>> looks like a concurrency issue when it tries to store the metering data.
>>> I'm getting the following error in my logs (summary):
>>>
>>>  *013-08-11 18:52:33.980 2445 ERROR
>>> ceilometer.collector.dispatcher.database
>>> [req-3b3c65c9-1a1b-4b5d-bba5-8224f074b176 None None] Second
>>> simultaneous read on fileno 7 detected.  Unless you really know what you're
>>> doing, make sure that only one greenthread can read any particular socket.
>>>  Consider using a pools.Pool. If you do know what you're doing and want to
>>> disable this error, call eventlet.debug.hub_prevent_multiple_readers(False)
>>> *
>>>
>>>  *Full traceback*: http://paste.openstack.org/show/43872/
>>>
>>>  Has anyone else run into this lovely little problem? It looks like the
>>> implementation needs to use happybase.ConnectionPool, unless I'm missing
>>> something.
>>>
>>>  Thanks in advance for help! :)
>>>
>>>  -Thomas
>>>
>>>  _______________________________________________
>>> OpenStack-dev mailing list
>>> OpenStack-dev at lists.openstack.org
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>>
>>>
>>
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