If you are using the helpers provided in the resource management library
then you can set the wait_for_finish to False.
Execute(process_cmd,
user=params.app_user,
logoutput=False,
*wait_for_finish=False*
)
See the memecached sample I shared.
How does your start() implementation look like?
-Sumit
On Thu, Jul 24, 2014 at 1:56 PM, Rui Zhang <[email protected]> wrote:
> Actually Vertica is not killed by the script and run perfectly. But Slider
> will think that Vertica is killed and try again.
>
>
> On 07/24/2014 04:52 PM, Rui Zhang wrote:
>
>> Hi,
>>
>> thanks for your reply.
>>
>> I know why it hangs. I have read the code of agent/PythonExecutor.py
>>
>> It blocks in the line "process.communicate()".
>>
>> My start command will spawn three child processes. Maybe this line is
>> waiting for the three to finish? I am not very familiar with how the
>> communicate function works. But Vertica is a long-running process, it is
>> not possible for Vertica to stop. So it always timeout and get killed by
>> the watch-dog-thread.
>>
>> Is there a way to avoid the waiting?
>>
>> Thanks.
>>
>> On 07/24/2014 04:15 PM, Sumit Mohanty wrote:
>>
>>> My guess is that start() does not complete or fails and gets retried few
>>> times and then eventually fails. Can you share the agent logs?
>>>
>>> We have a new release now 0.40 - can you port your package over to 0.40?
>>> If
>>> you can share your package I can help you do that. In any case, only
>>> critical change is the metainfo.xml structure where its enclosed within
>>> "<application></application>".
>>>
>>> http://slider.incubator.apache.org/docs/slider_specs/
>>> hello_world_slider_app.html
>>> is a work-in-progress doc for creating an application package which will
>>> provide you the details.
>>>
>>> -Sumit
>>>
>>>
>>> On Thu, Jul 24, 2014 at 12:26 PM, Rui Zhang <[email protected]> wrote:
>>>
>>> Hi,
>>>>
>>>> I can start my own created package now. But it always stay IN_PROGRESS
>>>> status according to the log and after a long time it shows Failed.
>>>> However,
>>>> my application runs perfectly without any errors.
>>>>
>>>> Why is this? How to determine the start is completed or not?
>>>>
>>>> Thanks.
>>>>
>>>> --
>>>> Rui Zhang
>>>> Software engineer Intern
>>>> Vertica, an HP Company
>>>> [email protected]
>>>>
>>>>
>>>>
>>
> --
> Rui Zhang
> Software engineer Intern
> Vertica, an HP Company
> [email protected]
>
>
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