Hi Gareth,
If you are just looking for health checks you can use the "/ping" resource:
http://riak_server:riak_port/ping
Daniel Reverri
Developer Advocate
Basho Technologies, Inc.
d...@basho.com
On Thu, Jun 17, 2010 at 9:41 PM, Gareth Stokes
<gar...@betechnology.com.au>wrote:
> Hey Dan,
>
> Sounds like i do need to check some things then.
>
> The load balancer does a health check every 30 seconds.
> Going through the monitor logs, the cpu was peaking up to about 60% which
> im not too sure if was caused by load or by the riak process doing whatever
> it was doing.
>
> And, I do seem to be running pretty high on memory so ill see if i can
> lower that by configuring the buffer size on the innostore backend.
>
> If i see it happening again, ill try and gather more information.
>
> gs
>
> On 18 June 2010 14:15, Dan Reverri <d...@basho.com> wrote:
>
>> Hi Gareth,
>>
>> I'm not aware of any mechanism that turns the stats url off for any
>> reason. How often are you pinging the stats url? Do the timeouts correlate
>> with any other event on the system (higher load, cron job, etc.)?
>>
>> Thanks,
>> Dan
>>
>> Daniel Reverri
>> Developer Advocate
>> Basho Technologies, Inc.
>> d...@basho.com
>>
>>
>> On Thu, Jun 17, 2010 at 8:40 PM, Gareth Stokes <
>> gar...@betechnology.com.au> wrote:
>>
>>> hey guys,
>>>
>>> so i have a cluster of 4 physical machines with a load balancer sitting
>>> in front to handle requests going into riak.
>>> i thought it would be a good idea (not anymore) to use the /stats url to
>>> ping the machines the cluster for their health. this is what i've noticed in
>>> the logs every few days or so
>>>
>>> =ERROR REPORT==== 16-Jun-2010::03:48:37 ===
>>> webmachine error: path="/stats"
>>> {error,{exit,{timeout,{gen_server2,call,[riak_kv_stat,get_stats]}},
>>> [{gen_server2,call,2},
>>> {riak_kv_wm_stats,get_stats,0},
>>> {riak_kv_wm_stats,produce_body,2},
>>> {webmachine_resource,resource_call,3},
>>> {webmachine_resource,do,3},
>>> {webmachine_decision_core,resource_call,1},
>>> {webmachine_decision_core,decision,1},
>>> {webmachine_decision_core,handle_request,2}]}}
>>>
>>> it lasts anywhere between 5 - 40 minutes.
>>> what im thinking is that a riak machine will enter "maintenance" mode
>>> every now and then, when it does it turns the /stats url off.
>>>
>>> am i correct in thinking this, or should i be worried?
>>>
>>> regards,
>>> gareth stokes
>>>
>>> _______________________________________________
>>> riak-users mailing list
>>> riak-users@lists.basho.com
>>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
>>>
>>>
>>
>
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