logstash的 ipip 收费版 filter 结果集做了lrucache
#build
gem build logstash-filter-ipip.gemspec
#install
/usr/share/logstash/bin/logstash-plugin install --no-verify logstash/plugin/logstash-filter-ipip-2.0.0.gem
filter {
ipip {
source => "remote_addr"
}
}