* [maven-release-plugin] prepare release v8.8.0
* [maven-release-plugin] prepare for next development iteration
* Create changes-8.8.0.md
* Reset changelog for 8.9.0
* Support service relation and database access alarm
* support service instance relation alarm
* support endpoint relation alarm
* document and format the name
* resolve issues
* add database access and endpoint relation rule example
* resolve code format
* remove unnecessary getter and setter package declare
* remove unnecessary fields
Co-authored-by: Mrproliu <mrproliu@lagou.com>
* Add data type to the column definition to replace the simple isValue definition. And top N query is also requiring value column now.
* Support typeOfMetrics query.
1. Support the new query protocol, and the v1 query protocol is still supported
2. All `numOfxxx`/`GlobalBrief` is only a mock now, no real number.
3. typeOfMetrics service is a mock only too, follow up PR will implement this.
Here are the list of changes we made in this pull request. Top 3 are the principle changes, others are following these principles.
1. New agent and mesh report protocol.
2. New agent header protocol.
3. Service register, instance register and network address register have been removed permanently.
4. Service traffic, instance traffic and network alias metrics are added to replace the service, instance and network address inventory.
5. Register process has been removed.
6. Metrics stream process supports insert only mode, especially for traffic entities.
7. Metrics stream process supports no-downsampling mode for traffic entities and network alias.
8. Remove all register mechanism and cache in the java agent.
9. Remove MONTH step in GraphQL query.
10. Update UI to remove MONTH step query, the max query range is 60 days now.
11. Simplify the TTL to metrics and record. And the unit has been formatted in Day unit. No specific TTL for ElasticSearch storage.
12. Buffer mechanism of trace receiver and mesh receiver has been removed due to no register.
13. New service id, instance id and endpoint id rules, including service relation, instance relation and endpoint relation id rules.
14. Java agent support `keep tracing` mode, meaning, agent generating tracing context even the backend is unconnected/unavailable.
15. Plugin test tool up to date, in order to support new protocol.
16. Plugin tests expected data files updated.
17. E2E tests updated.
18. Telemetry of Grafana config has been merged into one.
19. Documentation updates.
20. [TBD] InfluxDB storage implementation is not available, need @dmsolr to fix later, in order to reduce the master change block by this PR.
吴晟 Wu Sheng
kezhenxu94
wankai123
chen~
liqiangz
zhang-wei
w
Lu Jiajing
Gao Hongtao
mrproliu