日志采集器选择
常见的日志采集工具:Logstash、Filebeat、Fluentd、Fluent Bit、Logagent、logtail、rsyslog、syslog-ng
我们对比其中常用的Logstash、Filebeat、Fluentd、Fluent Bit来进行选择
| logstash | filebeat | Fluentd | Fluent Bit | |
| scope | containers/servers | containers/servers | containers/servers | containers/servers |
| Language | Jruby | Golang | C&Ruby | C |
| Memory | ~400MB | ~20MB | ~40MB | ~450KB |
| Performance | High Performance | High Performance | High Performance | High Performance |
| Dependencies | jdk | 零依赖,某些插件可能需要依赖 | 依赖gem | 零依赖,某些插件可能需要依赖 |
| Plugins | 1k+插件,功能丰富 | 1k+插件,功能丰富 | 650+插件可用 | 大约35插件可用 |



