Hi Dave,

Thanks for the answer.  Ouch.  This sounds suboptimal :( and makes me feel
like I have no control :(.  Now that you said this, I have a feeling Radu
asked about this exact same thing at one point and had a similar
reaction.....

.... aha, yes, found it:

http://search-devops.com/m/PamuZftUHylTXGc1&subj=+rsyslog+Can+we+have+a+minimum+bulk+size+for+omelasticsearch+
+ issue from that thread: https://github.com/rsyslog/rsyslog/issues/495

Thanks and sorry for the noise.

Otis
--
Monitoring - Log Management - Alerting - Anomaly Detection
Solr & Elasticsearch Consulting Support Training - http://sematext.com/


On Wed, Nov 18, 2015 at 9:15 PM, David Lang <[email protected]> wrote:

> in rsyslog, batches don't wait to be filled. the algorithm is designed for
> low-latency, in that each time a batch is processed, it takes from
> 1-batchsize messages (how ever many are available) and processes them.
>
> so if you only have one message arrive per minute, each message will be
> processed individually. You have to have messages arriving faster than they
> can be individually processed before the batches will contain more than one
> message.
>
> David Lang
>
>
> On Wed, 18 Nov 2015, Otis Gospodnetić wrote:
>
> Date: Wed, 18 Nov 2015 17:05:02 -0500
>> From: Otis Gospodnetić <[email protected]>
>> Reply-To: rsyslog-users <[email protected]>
>> To: rsyslog-users <[email protected]>
>> Subject: [rsyslog] omelasticsearch: send every N seconds even if bulk
>> not       full?
>>
>>
>> Hi,
>>
>> omelasticseearch has options like:
>>
>>       queue.type="linkedlist"
>>       queue.size="5000"
>>       queue.dequeuebatchsize="300"
>>       action.resumeretrycount="-1")
>>
>>
>> What happens when the volume of logs is very low.  For example, imagine a
>> log file where a new log event shows up only once a minute.
>>
>> Looking at
>>
>> http://www.rsyslog.com/doc/v8-stable/configuration/modules/omelasticsearch.html
>> I don't see a mention of "timeout" or "send every N seconds even if the
>> specified bulk size has not been reached yet".
>>
>> Is there an option for that?
>>
>> Thanks,
>> Otis
>> --
>> Monitoring - Log Management - Alerting - Anomaly Detection
>> Solr & Elasticsearch Consulting Support Training - http://sematext.com/
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