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50 lines
2.2 KiB
Markdown
50 lines
2.2 KiB
Markdown
# logstash-forwarder-java
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## What is this ?
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Logstash-forwarder-java is a log shipper program written in java. This is in fact a java version of [logstash-forwarder](https://github.com/elasticsearch/logstash-forwarder) by jordansissel.
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Here are a few features of this program :
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- compatible with Java 5 runtime
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- lightweight : package size is ~2MB
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- configuration compatible with logstash-forwarder
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- lumberjack output (including zlib compression)
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## Why ?
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Logstash-forwarder is written in go. This programming language is not available on all platforms (for example AIX), that's why a java version is more portable.
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Logstash runs on java and provides a lumberjack output, but the file input doesn't run on all plaforms (for example AIX) and logstash requires a recent JVM. Moreover Logstash is heavier : big package and more system resources.
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So logstash-forwarder-java is a solution for those who want a portable, lightweight log shipper for their ELK stack.
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## How to install it ?
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Download one of the following archives :
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- [logstash-forwarder-java-0.1.1-bin.zip](https://github.com/didfet/logstash-forwarder-java/releases/download/0.1.1/logstash-forwarder-java-0.1.1-bin.zip)
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- [logstash-forwarder-java-0.1.1-bin.tar.gz](https://github.com/didfet/logstash-forwarder-java/releases/download/0.1.1/logstash-forwarder-java-0.1.1-bin.tar.gz)
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- [logstash-forwarder-java-0.1.1-bin.tar.bz2](https://github.com/didfet/logstash-forwarder-java/releases/download/0.1.1/logstash-forwarder-java-0.1.1-bin.tar.bz2)
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Or download the maven project and run maven package. Then you can install one of the archives located in the target directory.
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## Differences with logstash-forwarder
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### Configuration
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The configuration file is the same (json format), but there are a few differences :
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- the ssl ca parameter points to a java keystore containing the root certificate of the server, not a PEM file
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- comments are C-style comments
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### Command-line options
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Some options are the same :
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- config (but only for a file, not a directory)
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- quiet
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- idle-timeout (renamed idletimeout)
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- spool-size (renamed spoolsize)
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- help
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There are a few more options :
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- debug : turn on debug logging level
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- trace : turn on trace logging level
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