[GitHub] [skywalking-query-protocol] wu-sheng opened a new pull request, #100: Add new record query protocol.

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

wu-sheng opened a new pull request, #100:
URL: https://github.com/apache/skywalking-query-protocol/pull/100

   ```
   # Since 9.3.0
   # Record is a general and abstract type for collected raw data.
   # In the observability, traces and logs have specific and well-defined meanings, and the general records represent other
   # collected records. Such as sampled slow SQL statement, HTTP request raw data(request/response header/body)
   extend type Query {
       # Query collected records with given metric name and parent entity conditions, and return in the requested order.
       readRecords(condition: RecordCondition!, duration: Duration!): [Record!]!
   }
   ```
   
   A new query protocol is being added, to replace the `readSampledRecords`. This would be a compatible upgrade to support more use cases for sampled records(such as in instance level) and incoming HTTP header/body collecting(through ebpf agent).
   
   In ebpf case, we would be able to sample HTTP request/response according to latency threshold, even 100% sampling. And link those records with trace ID/span ID decoded from the sw8(skywalking)/b3(zipkin) header. Then we could have this diagnose workflow, `slow HTTP request` -> `TRACE view` -> `RPC span with attached event`. The event includes the HTTP request/response in step <1>, as well as statistics of network events(ref https://github.com/apache/skywalking-data-collect-protocol/pull/77)


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[GitHub] [skywalking-query-protocol] wu-sheng merged pull request #100: Add new record query protocol.

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

wu-sheng merged PR #100:
URL: https://github.com/apache/skywalking-query-protocol/pull/100


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