* Fix application start duration log "Failed to load class "org.slf4j.impl.StaticLoggerBinder"." when use kafka reporter. because kafka reporter use slf4j-api, but no implementor for slf4j.
* Polishing.
* Adapter slf4j Logger of agent used to skywalking agent Logger.
* Make the comments more accurate.
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>
* Add Mariadb JDBC plugin and provide tests
* Refactor component name
* Reformat plugin description and remove healthcheck span from the test
Co-authored-by: Efe Kaptan <Efe.Kaptan@webtrekk.com>
Co-authored-by: zhang-wei <pknfe@outlook.com>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>
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
Ax1an
Darcy
zifeihan
Shengjun
Zhenxu Ke
Brandon Fergerson
Leon Yang
zifeihan
elk-g
Neal Huang
vcjmhg
hailin0
Evan
xbkaishui
zifeihan
Xin,Zhang
hailin0
Lu Jiajing
zshit
于玉桔
Daming
songzhendong
gongdewei
mrproliu
dagmom
Jared Tan
Efe Kaptan