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Tag: logstash

Logstash File Input Latency on Linux

Logstash is running. How long takes it from adding a single line to a log file until Logstash recognize the new line and start to transform and output it. With a simple BASH script I measure from 99 msec up to 800 msec including a transformation. It’s clear that the latency depends on the Logstash transformation, HD, OS and the

Logstash not producing output

I have just installed logstash 1.5.3 on a Linux machine. Details: When I try to run the basic “hello world” setup I get nothing on stdout. Any ideas why? I installed this on my Windows machine and am able to run it there. Output to file is also not working: The file “logtest1” is not even being created. Answer The

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