[zeromq-dev] Pub Sub last message takes much more time to arrive than the previous ones

Omer Bacharach omer at toot-trading.com
Tue Oct 11 22:26:21 CEST 2011


Is this timeout flush configurable ?

On Tue, Oct 11, 2011 at 10:23 PM, Steven McCoy <steven.mccoy at miru.hk> wrote:
> On 11 October 2011 16:16, Pieter Hintjens <ph at imatix.com> wrote:
>>
>> On Tue, Oct 11, 2011 at 9:27 PM, Omer Bacharach <omer at toot-trading.com>
>> wrote:
>>
>> > It seems that for 1000 messages sent from the publisher to the
>> > subscribers, the last one takes around 20 times than the average time
>> > it takes for the previous ones to arrive.
>> > Seems as the last one is "stuck" and in some queue and is released
>> > probably after a timeout.
>>
>> Can you provide a minimal test case that reproduces this symptom?
>>
>> > Attached is an excel listing the results of one of the subscribers
>> > which receives 1000 messages from the publisher.
>>
>> It's not clear what one is supposed to see in the spreadsheet...
>>
>
> Took me a while as I couldn't see it in Google Preview:
>   999 instances of ~999ns or whatever the time scale is and a final one at
> ~20,000ns.
> The last message appears that it is subject to a timeout flush.
> --
> Steve-o
>
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>



-- 
Omer Bacharach
Director of Software Development
Toot Trading Ltd.
omer at toot-trading.com
Mobile +972-544-317959
Office +972-3-7449466



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