This topic describes the release notes for Log Service and provides the links to the relevant references.
|SLB Layer 4 monitoring||The Layer 4 monitoring feature is available for Server Load Balancer (SLB) instances, and performance metrics are sent to Log Service. You can view the details of SLB instances by using performance metrics that are accurate to the second. The metrics include the traffic volume, queries per second (QPS), and error rate. This enables finer-grained service monitoring and troubleshooting.||2021-06-04||All regions supported by Log Service||SLB Layer 4 monitoring|
|Alerting||The alerting feature of Log Service is upgraded. The new alerting feature is an intelligent alerting system that is used to monitor log data and time series data collected by Log Service. If an exception occurs, an alert is triggered. You can denoise alerts, manage alert incidents, and configure policies to send alert notifications. You can use the alerting feature of Log Service in more than 40 scenarios to meet the requirements of developers, O&M engineers, security engineers, and operations personnel.||2021-06-04||All regions supported by Log Service||The alerting feature of Log Service|
|Trace||Log Service provides the distributed tracing feature based on the native OpenTelemetry protocol. You can use this feature to import, store, analyze, and visualize trace data, configure alerts for trace data, and manage trace data based on AIOps.||2021-06-01||All regions supported by Log Service||Trace|