## 技術堆疊 istio在每個pod旁邊植入sidecar(envoy去專注處理網路) log std -> fluentd -> loki -> grafana metric istio -> sidecar -> promethues -> kiali(調用鏈 or 灰度發布) istio管理工具 -> grafana -> alertmanager tracing sidecar- > opentelemetric -> tempo(tracing pipeline) -> grafana OpenTelemetric 傳播和蒐集組件 Manual mode: 自行處理trace id(跨cluster,並需要在code中處理) auto: 另寫txt並在docker image寫啟動cmd injection: 在k8s yaml中進行inject ## Deep flow 換掉網路底層的protocol eBPF來搜集資料 -> tracing, log, metric都會搜集 搜集網路的log
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