Thanks Jonathan. Apologies for not getting back to you earliest. It worked and 
resolved the alerts issue we were facing. Many Thanks for the timely help!!

Regards
Vijay

> On 26 Oct 2015, at 12:11, Jonathan Hurley <[email protected]> wrote:
> 
> This alert fires when there are alerts which haven’t reported in within 2x 
> their interval value. The most common reason that this alert would misfire is 
> that the scheduler on the agents isn’t able to run the scheduled alert jobs. 
> 
> We’ve been seeing a problem where the scheduler may occasionally miss the 
> window and the alert won’t run. This is being fixed for Ambari 2.1.3. In the 
> meantime, you can changed these lines of code 
> <https://github.com/apache/ambari/blob/branch-2.1.2/ambari-agent/src/main/python/ambari_agent/AlertSchedulerHandler.py#L46-L50>
>  on the agents where the problem is occurring to:
> 
> APS_CONFIG = {
>       'apscheduler.threadpool.core_threads': 3,
>       'apscheduler.coalesce': True,
>       'apscheduler.standalone': False,
>       'apscheduler.misfire_grace_time': 5
>     }
> 
> After restarting the agents, the misfire grace time should be higher and 
> allow for the alert job to run, even if it misses its window.
> 
>> On Oct 26, 2015, at 6:31 AM, Vijaya Narayana Reddy Bhoomi Reddy 
>> <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hi,
>> 
>> In my cluster, I often see “Ambari Server Alerts” with the message “There 
>> are 7 stale alerts from 1 host(s). Resource ManagerRPC Latency, Zookeeper 
>> etc”
>> 
>> Can anyone please throw light on the root cause of this alert? I am not able 
>> to trace the correct cause for this. It occurs occasionally and then 
>> disappears after a while. However, it comes with a CRITICAL flag. Hence 
>> wanted to understand the root cause behind it and as well as the severity.
>> 
>> Thanks
>> Vijay
>> 
>> 
>> -- 
>> The contents of this e-mail are confidential and for the exclusive use of 
>> the intended recipient. If you receive this e-mail in error please delete 
>> it from your system immediately and notify us either by e-mail or 
>> telephone. You should not copy, forward or otherwise disclose the content 
>> of the e-mail. The views expressed in this communication may not 
>> necessarily be the view held by WHISHWORKS.
>> 
> 


-- 
The contents of this e-mail are confidential and for the exclusive use of 
the intended recipient. If you receive this e-mail in error please delete 
it from your system immediately and notify us either by e-mail or 
telephone. You should not copy, forward or otherwise disclose the content 
of the e-mail. The views expressed in this communication may not 
necessarily be the view held by WHISHWORKS.

Reply via email to