1.Log, Observability and Filebeat Dashbase 王鹏翰 

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3.Log ？ 

4. Raft is a con mana sensu ging a s algo replic r ithm ated l for og. o ra Log ？ r Ap pl Au E — ic AS at AB T io DA n E Lo IS TH g OG Binlog E L TH 

5. “A log is perhaps the simplest possible storage abstraction. It is an append-only, totally-ordered sequence of records ordered by time.” – Jay Kreps [1] [1] https://engineering.linkedin.com/distributed-systems/log-what-every-software-engineer-should-know-about-real-time-datas-unifying 

6.Log Immutable Order by time Timestamp + Data 

7.Observability ? 

8.long long time ago …… 

9.Log with Grep 

10. Monitor what’s broken, and why?  

11.Monitor StatsD Graphite Count Timing Gauges Sets ——— Samping 

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14.Monolithic MicroService 

15.Cloud and Cloud Native 

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18.https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html 

19.LOG 

20.Trace 

21. Gauge Counter Histogram Metric 

22. Spec OpenMetric OpenTracing OpenLog ? Not exists … Elastic Common Schema maybe a little like openLog 

23.TSDB Prometheus InfluxDB OpenTSDB 

24. Log Logstash Elasticsearch Beats [Filebeat] Loki Fluent FluentBit 

25. Trace Zipkin Elastic apm agent Jeager Skywalking 

26. Filebeat Lightweight Shipper for Logs 

27.Head First Log Shipper Send log stable and fast to a search engine 

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