* [maven-release-plugin] prepare release v6.3.0

* [maven-release-plugin] prepare for next development iteration

* Support upgrade backend w/o rebooting agents

1. All the inventories add last_update_time attribute,  delete the mapping_last_update_time attribute in service inventory. (#3168)

2. Fixed the service inventory and net address inventory update bugs.

* First commit

* Fix e2e test and some nits

* Documenting so11y and setting default values of it in dev env

Make agent mock works as usual.

* Correct spelling errors in the network protocol.

* update protocol submodule commit id.

* Fix wrong logger name

* Fix more wrong logger names in agent side

* fix issue #2979

* remove the unused import, which causes the CI failed

* [maven-release-plugin] prepare release v6.2.0

* [maven-release-plugin] prepare for next development iteration

* fix potential NullPointerException

* Revert "fix potential NullPointerException"

This reverts commit 8393656

* fix potential NullPointerException
the static paramater is best to use the class to reference

Get the document by index name.

* Optimize code logic

* revert

* fix

* Implement the base of config API module.

* Finish configuration module codebases w/o tests, revert some changes.

* Finish mock tests.

* Add new gRPC service for configuration.

* Make gRPC configuration sync provider works.

* Add database slow statement dynamic setting.

* Finish the dynamic configuration service.

* Fix version.

* Filtering pods not in 'Running' phase

* Amending checkstyle errors

* Add ALS proto and receiver in envoy

* Rename metric to metrics.

* Fixed test case execute failure issues.

* Move submodule plugin.

* Always auto-submodule

* [maven-release-plugin] prepare release v6.1.0

* [maven-release-plugin] prepare for next development iteration

* Change keys location.

* Make Jaeger receiver works in 12450 as default.

* Finish compile and codebase.

* Make codes runnable.

* Finish Jaeger query tests.

* Add document for jaeger receiver.

* Add readme.

* Fix a break link.

* Finish doc.

* Fix missing licenses in dist.

* Move all CoreRegisterLinker together into SharingReceiver.

* Setup receiver endpoint

* Revert "Provide create, delete, isExists template method by elastic client. (#2425)"

This reverts commit e6a7720f.

* Move all receiver proto files together, in case the class conflict in gogoproto.

* Add jaeger proto and its dependency proto. Also license provided.

* Fix rat.

* Codebase for zipkin span persistence.

* Fix missing fields in storage.

* Miss the latency field.

* Finish some tests.

* Fix wrong latency.

* Finish doc and reset application.yml

* Make the description more clear.

* 1. Remove static worker instances holder.
2. Remove static worker instance id generator.

* Fixed test case failure.

* Add more logs

* no message

* no message

* Exclude test file.

1. Fixed the warning of 'parent.relativePath' points issue when running the mvn package command. (#2404)

2. Fixed the warning of duplicate declaration of plugin issue when running the mvn package command.
3. Fixed the warning of duplicate declaration of mysql connector jar when running the mvn package command, because of provided scope include test scope.
4. Fixed the warning of expression ${artifactId} is deprecated issue when running the mvn package command.
5. Fixed the warning of expression ${version} is deprecated issue when running the mvn package command.

* Support endpoint group in mesh.

* Fix CI.

* Refactor for reduce string compare.

* Support endpoint naming rule in service level

* Support grpc exporter.

* Support scope(all) metric export and finish document.

* Close exporter even in local debug env. And fix CI.

* Remove the system.out

* Fix absent 4.

* Support subscription from remote.

* Add the doc

* Update application.yml