mode of logging in to a specific server cannot suite to large number of dis‐ tributed servers. Telemetry through observable data is the recommended operation and maintenance mode for them. Tracking, metrics ratelimiting: > 0, bound‐ ary:0.0001 ‐ 1.0 1（const type） otel.reso urce.attributes open‐ telemetry properties String key value pair (, split) servi ce.name=shardi ngsphere‐ agent otel. traces zipkin、jaeger zipkin otel .traces.sampler Open‐ telemetry sample rate type alway s_on、always_of f、traceidratio always_on otel.tra ces.sampler.arg Open‐ telemetry sam‐ ple rate parameter tr aceidratio：0

mode of logging in to a specific server cannot suite to large number of dis‐ tributed servers. Telemetry through observable data is the recommended operation and maintenance mode for them. Tracking, metrics ratelimiting: > 0, bound‐ ary:0.0001 ‐ 1.0 1 (const type) otel.reso urce.attributes open‐ telemetry properties String key value pair (, split) servi ce.name=shardi ngsphere‐ agent otel. traces jaeger zipkin otel .traces.sampler Open‐ telemetry sample rate type always_on, always_off, traceidratio always_on otel.tra ces.sampler.arg Open‐ telemetry sample rate pa‐ rameter tr aceidratio：0

mode of logging in to a specific server cannot suite to large number of dis‐ tributed servers. Telemetry through observable data is the recommended operation and maintenance mode for them. Tracking, metrics imit ing: > 0, bou ndar y:0. 0001 ‐ 1.0 1 (c onst t ype) otel‐ resource‐ attributes open‐ telemetry properties St ring key v alue pair (, sp lit) s ervi ce.n ame= shar ding sphe re‐a gent otel‐ pkin otel‐ traces‐ sampler Open‐ telemetry sample rate type al ways _on, alw ays_ off, trac eidr atio a lway s_on otel‐ traces‐ sampler‐ arg Open‐ telemetry sam‐ ple rate parameter tr acei

mode of logging in to a specific server cannot suite to large number of dis‐ tributed servers. Telemetry through observable data is the recommended operation and maintenance mode for them. Tracking, metrics ratelimiting: > 0, bound‐ ary:0.0001 ‐ 1.0 1 (const type) otel.reso urce.attributes open‐ telemetry properties String key value pair (, split) servi ce.name=shardi ngsphere‐ agent otel. traces jaeger zipkin otel .traces.sampler Open‐ telemetry sample rate type always_on, always_off, traceidratio always_on otel.tra ces.sampler.arg Open‐ telemetry sample rate pa‐ rameter tr aceidratio：0

mode of logging in to a specific server cannot suite to large number of dis‐ tributed servers. Telemetry through observable data is the recommended operation and maintenance 8.10. Observability 52 Apache

OpenTelemetry OpenTelemetryTracing 插件定 义 org.a pache.shard ingsphere.a gent.plugin .tracing.op en‐ telemetry .definition .Open‐ Teleme tryTracingP luginDefini tionService OpenTracing OpenTracing 插件定义 org

仅负责产生具有价值的数据，并通过标准 协议或插件化的方式递交给相关系统。 Tracing 用于获取 SQL 解析与 SQL 执行的链路跟踪信息。Apache ShardingSphere 默认提供了对 Open‐ Telemetry，SkyWalking 的支持，也支持用户通过插件化的方式开发自定义的 Tracing 组件。 • 使用 OpenTelemetry OpenTelemetry 在 2019 年由 OpenTracing

仅负责产生具有价值的数据，并通过标准 协议或插件化的方式递交给相关系统。 Tracing 用于获取 SQL 解析与 SQL 执行的链路跟踪信息。Apache ShardingSphere 默认提供了对 Open‐ Telemetry，SkyWalking 的支持，也支持用户通过插件化的方式开发自定义的 Tracing 组件。 • 使用 OpenTelemetry OpenTelemetry 在 2019 年由 OpenTracing

mode of logging in to a specific server cannot suite to large number of dis‐ tributed servers. Telemetry through observable data is the recommended operation and maintenance 8.10. Observability 52 Apache

仅负责产生具有价值的数据，并通过标准 协议或插件化的方式递交给相关系统。 Tracing 用于获取 SQL 解析与 SQL 执行的链路跟踪信息。Apache ShardingSphere 默认提供了对 Open‐ Telemetry，SkyWalking 的支持，也支持用户通过插件化的方式开发自定义的 Tracing 组件。 • 使用 OpenTelemetry OpenTelemetry 在 2019 年由 OpenTracing