- Rename RedisSpan -> SpanHandle for generic span handling
- Generalize TelemetryController methods: startSpan/endSpan with dbSystem param
- Rename RedisOtelSpan -> OtelSpanHandle in rbcs-server-otel
- Update Redis cache handler to use new generic API
- Add OpenTelemetry tracing for memcache GET and SET commands
- Add channel property to MemcacheRequestController for server address attribution
- Add uses TelemetryController directive in memcache module-info
Memcache spans follow the same pattern as Redis:
db.system=memcache, db.operation=GET|SET, server.address, server.port
- Add RedisSpan interface in rbcs-api for opaque span handles
- Extend TelemetryController with startRedisSpan/endRedisSpan methods
- Implement Redis tracing in rbcs-server-otel via OtelController and RedisOtelSpan
- Instrument RedisCacheHandler to create spans around GET and SET commands
- Add uses directive in rbcs-server-redis module-info for ServiceLoader discovery
Redis spans are created as CLIENT spans with attributes:
db.system=redis, db.operation=GET|SET, server.address, server.port
- Update lys.version to 2026.04.14
- Add optional compileOnly dependency on opentelemetry-netty-4.1 in rbcs-server
- Add runtime guard to only activate instrumentation when OTel classes are on classpath
- Insert OTel combined handler after HttpServerCodec in the Netty pipeline
- Add requires-static JPMS directives for optional module support
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