Ok that is quite clear! Now I'll have to figure out why that bottleneck is 
happening. I doubt I can see the metrics later then 15 mins so that will be 
challenging! 
I'm currently moving the VM to SSDs which can't hurt but I doubt it'll 
solve the problem. 


On Tuesday, 27 September 2016 12:16:47 UTC-4, Jochen Schalanda wrote:
>
> Hi,
>
> from your screenshot it seems pretty clear that Elasticsearch can't index 
> messages at the same rate that they are ingested and processed by Graylog.
>
>
> On Tuesday, 27 September 2016 17:57:16 UTC+2, [email protected] wrote:
>>
>> So process is when be when message is actually parsed and output is when 
>> sent to ES for indexing?
>>
>
> Yes. The process and output buffers filling is basically back pressure 
> from Elasticsearch.
>
>  
> Cheers,
> Jochen
>
>

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