Co-authored-by: Nguhao <dev_guhao@163.com>

* Keep ID as ref ID in the readSampledRecords, as there is no meaningful logic entity, but based on the graphql, the client could request this.

Co-authored-by: N亓杨 <qiyang@enmonster.com>

* Group Parameterized Endpoints. Configure the grouping rules for parameterized endpoints, to improve the meaning of the metrics.

* add SuperDataset tag for add super size dataset shards config in es

Co-authored-by: Nzhuanghaochao <zhuanghaochao@yy.com>

* Add v8 upgrade document and fix some tiny doc issues.

* Add link to STAM paper.

* Support regex to include or exclude the names, requested through mail list, https://lists.apache.org/x/thread.html/rb6d91093776cf61880425449d3d25f9d560cd32363c0075de9a85d13@%3Cdev.skywalking.apache.org%3ECo-authored-by: NMrproliu <mrproliu@lagou.com>
Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>

* Make the default application.yml more friendly in the configuration section.

* Fix an issue in python e2e.

* 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: NMrproliu <mrproliu@lagou.com>

Co-authored-by: NMrproliu <mrproliu@lagou.com>

* Split the official_analysis.oal into different parts

* Add Envoy OAL define.

* Fix license.

* support multiple segments analyze

* Support multiple ways to analyze segment data

* Change to support single or list of the segment data, add the document

* fix document and change the lua agent commit id
Co-authored-by: NMrproliu <mrproliu@lagou.com>

* Format index name with namespace
Signed-off-by: NGao Hongtao <hanahmily@gmail.com>

* Use another variable to compare index name
Signed-off-by: NGao Hongtao <hanahmily@gmail.com>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* Update powered-by.md

* Update powered-by.md

Change order
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

1. Service Traffic should serialize and deserialize the time bucket, otherwise, there is a chance service_traffic-0 generated.
2. Make top N results more clear about the owner. Previously, the same endpoint names of different services look the same.
3. Sync UI.
4. Fix service traffic equal and hashcode method. The time bucket is not a part of the entity attribute.

* Add Mariadb JDBC plugin and provide tests

* Refactor component name

* Reformat plugin description and remove healthcheck span from the test
Co-authored-by: NEfe Kaptan <Efe.Kaptan@webtrekk.com>
Co-authored-by: Nzhang-wei <pknfe@outlook.com>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

[CVE] Update Nacos 1.0.0 to Nacos 1.2.0(Solve the security problem of the old version of fastjson) (#4753)

* Update nacos version to 1.2.0(Solve the security problem of the old version of fastsjon)
Co-authored-by: Nsongzhendong <289505773@qq.com>
Co-authored-by: Nsongzhendong <songzhendong@xiaomi.com>

* Add python project into the project page

* Update README.md
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>