[GitHub] [skywalking-satellite] gxthrj commented on a change in pull request #23: polish docs

[GitBox <gi...@apache.org>]

gxthrj commented on a change in pull request #23:
URL: https://github.com/apache/skywalking-satellite/pull/23#discussion_r572712901



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File path: docs/en/concepts-and-designs/overview.md
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+# Overview
+SkyWalking Satellite: an open-source agent designed for the cloud-native infrastructures, which provides a low-cost, high-efficient, and more secure way to collect telemetry data, such that Trace Segments, Logs, or Metrics.
+ 
+
+## Why use SkyWalking Satellite?
+Observability is the solution to the complex scenario of cloud-native services. However, we may encounter different telemetry data scenarios, different language services, big data analysis, etc. Satellite provides a unified data collection layer for cloud-native services. 
+You can easily use it to connect to the SkyWalking ecosystem and enhance the capacity of SkyWalking. 
+There are some enhance features on the following when using Satellite.
+
+1. Provide a unified data collection layer to collect logs, traces, and metrics.
+2. Provide a safer local cache to reduce the memory cost of the service.
+3. Provide the unified transfer way shields the functional differences in the different language libs, such as MQ.
+4. Provides the preprocessing functions to ensure accuracy of the metrics, such as sampling.
+
+## Architecture
+SkyWalking Satellite is logically split into four parts: Gatherer, Processor, and Sender.

Review comment:
       `four parts` -> `three parts`




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