colinsurprenant/logstash_filtersr _performance.md

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measuring logstash filters performance

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logstash_filtersr _performance.md

given a data file sample named data.log
modify your config to use the stdin input so that you can pipe you sample log file to logstash

input {
  stdin {
    codec => line
  }
}

modify your config to use the dots output

output {
  dots {}
}

- continously send your sample data to logtash and check pv numbers
```sh
$ while true; do cat data.log; done | logstash -f myconfig.conf | pv -Bart

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