* Add apdex function to OAL
* Add empty line
* Setup config watcher
* Add identifier type to function parameter
* Add config test
* Update score algorithm
* Replace responseCode with status
* Add comments about apdex score algorithm
* Add docs
* Add e2e test case
* Update test case
* Fix disptch class generating error
* Update value name of apdex metric
* Tuning threshold
* Fix single tolerated point bug
* [Feature] Officially support ElasticSearch 7 as backend storage
* Extract bootstrap module to be shared by multiple starters
* Add missing configuration file and distinguish different version in test
* Update known-oap-backend-dependencies-es7.txt
Update the dependency lib
* Fix missing adaptation to ElasticSearch 7
* Rename ElasticSearch 7 specific class with Es7 infix
* Fix miss-adapted ElasticSearch DAO API
* Add ES7 specific configuration and polish documentations
* Polish documentations
* Polish documentations
* Update EtcdCoordinator.java
when EtcdCoordinator cannot connect to etcd cluster for a long time,
the information registered in etcd will expire and refresh() function will not work.
* Add register persistent worker latency metrics #3671
* remove never thrown exception on Time#close()
add panel to mesh-mode-grafana.json
* remove never thrown exception on Time#close()
add panel to mesh-mode-grafana.json
* add plugin netty-socketio https://github.com/mrniko/netty-socketio
* delete create exit span interceptor.
* delete create exit span interceptor testcase.
* delete create exit span interceptor testcase.
* add constructor test unit
* change bind on random port in test case
* reverse upstream master whitespace
* resolve build_id param
* delete health check segment test case
* add ContextManager.isActive check before use activeSpan invoke
* remove unnecessary code and blank line
* Fix#3402
* Fix unecessary blankline
* Optimize rebuild logic
* Fix checkstyle fail
* Add concurrency test
* Fix text mistakes
* Optimize refresh logic && new test for return clients never change by refresh logic
* Make unit test more clearness
* Add more unit test && fix a bug
* Rename variable && format by skywalking style
* Is it a typo or not?
* delete datasource-settings.properties
* handle 'metadataQueryMaxSize'
* delete DynamicModuleConfig.java
* modify mysql config
* parsing yaml to support the configuration for multiple properties
* delete datasource-settings.properties
* modify doc
* add properties for docker-entrypoint.sh
* add testLoadConfig()
* Provide Consul dynamic configuration center implementation
* Add more unit tests
* Fix unit test
* Add more unit tests and remove unused file
* Remove redundant doc
* Add pulsar apm plugin.
* Fix check style
* Fix pulsar consumer component define.
* Add pulsar to component-libraries.yml
* Fix error interceptor class.
* Add pulsar to agent support list.
* Add Pulsar to ComponentsDefine and component-libraries.yml
* Move create entry span log of consumer from after method to before method
* Fix send callback issue when exception cause.
* Fix test issues
* Move pulsar plugin to optional plugins
* Add none messages tests for interceptor of producer and consumer.
* Remove unused comments.
* Move pulsar plugin back to the apm-sdk-plugin
* Fix comments
* remove set startTime for entry span(default is set by System.currentTimeMillis)
* Fix comments