Thanks for the tips :-)

I prefer to change the configuration file because the file patternss 
grok-pattern can change with the RPM updates.

I added this part

    mutate {
      convert => [ "bytes", "integer" ]
    }
  }


Marcello

Il giorno martedì 3 febbraio 2015 18:54:02 UTC+1, Marcin izo ha scritto:
>
> If you are using COMMONAPACHELOG or COMBINEDAPACHELOG in your logstash 
> config and 
> you've not changed default type for "bytes" it was probably imported into 
> elasticsearch as string instead of int
>
> Elasticsearch cannot aggregate this data in such form. 
>
> You'd can either modify "grok-patterns" file for your variable so bytes 
> look like below or use mutate function in logstash to convert it to int
>
>
> (?:%{NUMBER:bytes:int}|-)
>
>
> regards
> m
>
>
> On Tuesday, 3 February 2015 16:31:12 UTC, Marcello A wrote:
>>
>> Hi All,
>> I'm trying to graph the usage of bandwidth fetched by Apache logs but 
>> Kibana histogram doesn't graph any data. Could someone help me to use 
>> correctly the histogram panel?
>>
>> Thanks,
>> Marcello
>>
>

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