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# install logstash
yum install -y java-1.8.0-openjdk.x86_64 wget vim
wget https://artifacts.elastic.co/downloads/logstash/logstash-7.0.0.tar.gz
tar -xzvf logstash-7.0.0.tar.gz
mv logstash-7.0.0 /usr/local/logstash
echo "LOGSTASH_HOME=/usr/local/logstash" >> ~/.bashrc
echo "PATH=\$LOGSTASH_HOME/bin:\$PATH" >> ~/.bashrc
source ~/.bashrc

grok语法

https://github.com/logstash-plugins/logstash-patterns-core/tree/master/patterns