* Add Database source
* Add DatabaseSource source and database_* script for oal
* Enable Database_Indicator
* Add file license
* Rename DatabaseService to ClientDatabase. In the future, we may have real database server monitoring.
* Add query database from H2
* refactor
* update submodule
* refactor
* Fix style
* Fix: unknown tag error
* fix checkstyle
* 1. Sleep 500 milliseconds after a batch re-call finish.
2. Re-create register lock index when the system property named debug is setting.
3. Get the register inventory before lock to avoid increment the sequence but not use.
4. Return the exchange flag after all the references and spans in one segment parsed to reduce the number of segment parse.
5. Put the not exchanged segment into a collection then try to exchange no more than 10 times because of the exchange is asynchronous.
6. Cache the segment object to avoid repeated deserialization.
#2185
* #2185
1. Sleep 500 milliseconds after a batch re-call finish.
2. Re-create register lock index when the system property named debug is setting.
3. Get the register inventory before lock to avoid increment the sequence but not use.
* fix no language attr value in mesh (#2182)
* Fixed the inventory register lock invalid bug. (#2184)
* #2183
Merge commit into master.
* Make the h2 register lock same as mysql.
* Fix#2186
* Change a label name for sw instance to avoid confict.
* Fix a wrong metric name.
* Fix too many counter instances.
* Set uptime to second.
* Fix format.
* Fix format
* Remove two unnecessary counter.
* Provide grafana dashboard settings and remove unnecessary metric.
* Provide a simple UI brief doc. Fix#2137
* Finish the basic codes of telemetry.
* Add many telemetry in oap.
* Fix a test case.
* Finish all telemetry metric.
* Fix format.
* Make telemetry works.
* Support JVM metrics.
* Add doc for telemetry.
* Fix typo.
* Fix#2135
* Change srcLayer to nodeType. Add nodeType in service inventory entity.
* NodeType value refactor.
* Format codes.
* Fix compile issue.
* Fix bugs, and make query on service inventory instead of network inventory
* Provide consul cluster plugin.
* Change log and application config file.
* Add consul's config item into the docker's application.yml.
* Fixed bug.
* Add consul description into readme.
* Add okhttp component license.
* Move oal tool back into main repo, and fix compile issue.
* Fix two bugs.
* Remove all generated codes.
* Make all oal generated codes out of source control.
* Make mvn compile and package work.
* Fix test cases.
* Make compile right and provide new documents.
* Remove an unnecessary tokens file.
* Support alarm in service instance and endpoint.
* Fix alarm default settings and document.
* Fix wrong default setting
* Make service instance and endpoint scopes available in alarm core.
* Fix alarm bug.
Lemon
于玉桔
吴晟 Wu Sheng
兵
彭勇升 pengys
Gao Hongtao
a198720
Jared Tan
Yann.Xia
XiaoFu
ZhHong