Anil, Mike

Thanks for your answers.AFAIK it is not correlated to GC. I will try to
look in more details to the gfs metrics.

Oliv/


On Fri 11 Jan 2019 at 20:15, Michael Stolz <[email protected]> wrote:

> Olivier,
>
> Can you correlate anything like GC pauses with these slow deliveries?
>
> --
> Mike Stolz
> Principal Engineer, GemFire Product Lead
> Mobile: +1-631-835-4771
>
>
>
> On Fri, Jan 11, 2019 at 1:36 PM Anilkumar Gingade <[email protected]>
> wrote:
>
>> Oliv,
>>
>> The subscription has cost associated with it; as interested need to be
>> processed for all the clients; but its minimal looking for matching
>> keys/regex.
>> - The puts add the matched events to the client subscription queues on
>> the server; do you see the client queues growing?
>> - You may also need to see if there are any memory pressure on server.
>> - If the clients are not consuming the events fast (slow clients) it may
>> increase the server side queue size.
>>
>> -Anil.
>>
>>
>> On Fri, Jan 11, 2019 at 8:56 AM Olivier Mallassi <
>> [email protected]> wrote:
>>
>>> sorry mistake : throughtput is 10 times less: 5k requests per sec.
>>>
>>> On Fri, Jan 11, 2019 at 5:44 PM Olivier Mallassi <
>>> [email protected]> wrote:
>>>
>>>> All
>>>>
>>>> I am facing a kind of scaling mystery while using register interest.
>>>>
>>>> Use-case is basic :
>>>> N publishers publishing into a geode cluster w/ M subscribers using
>>>> register_interest (regexp).
>>>>
>>>> in our case,
>>>> - M can be up to 1000 process (not threads)
>>>> - Publisher throughput is about 50k requests per sec on 200k keys
>>>> - Volume is small (around 10GB)
>>>>
>>>> We observe put (from publisher point of view) latency diverging with
>>>> the number of consumers, up to 10 sec (p99) and 5 sec (p50)
>>>> AFAIR, the key is evaluated on the put (sync).
>>>>
>>>> Any ideas , customisation of the configuration you can advice?
>>>>
>>>> Regards.
>>>>
>>>> Oliv/
>>>>
>>>

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