* [maven-release-plugin] prepare release v7.0.0

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

Motivation:

Review code styles with some bots automatically.

Modifications:

Set up ReviewDog in GitHub Action to review code style.

Add more check rules to checkstyle plugin.

Result:

Obvious code styles can be reviewed and commented automatically.

* [maven-release-plugin] prepare release v6.6.0

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

* Refactor DataCarrier, support ArrayBlockingQueueBuffer as the implementation for blocking queue buffer.

* Fix style issue.

* Remove import.

* Remove uesless codes.

* [maven-release-plugin] prepare release v6.5.0

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

* [maven-release-plugin] prepare release v6.4.0

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

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

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

* Using ArrayList to instead of LinkedList

V3(this commit) has 20% performance improvement leverages from no `false-sharing` of CPU cache mechanism.
  /**
     * Benchmark                                                 Mode  Cnt         Score         Error  Units
     * AtomicRangeIntegerTest.testGetAndIncrementV1Performance  thrpt    5  13496720.554 ±  240134.803  ops/s
     * AtomicRangeIntegerTest.testGetAndIncrementV2Performance  thrpt    5  39201251.850 ± 1005866.969  ops/s
     * AtomicRangeIntegerTest.testGetAndIncrementV3Performance  thrpt    5  45832615.061 ± 2987464.163  ops/s
     */

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

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

Typical test benchmark for performance improvement. Check PR for more detail.

/**
     * # JMH version: 1.21
     * # VM version: JDK 1.8.0_111, Java HotSpot(TM) 64-Bit Server VM, 25.111-b14
     * # VM invoker: /Library/Java/JavaVirtualMachines/jdk1.8.0_111.jdk/Contents/Home/jre/bin/java
     * # VM options: -Dfile.encoding=UTF-8
     * # Warmup: 3 iterations, 10 s each
     * # Measurement: 5 iterations, 1000 ms each, 1000 calls per op
     * # Timeout: 10 min per iteration
     * # Threads: 1024 threads, ***WARNING: Synchronize iterations are disabled!***
     * # Benchmark mode: Throughput, ops/time
     * # Benchmark: org.apache.skywalking.apm.commons.datacarrier.common.AtomicRangeIntegerTest.testNewGetAndIncrementPerformance
     *
     * # Run progress: 0.00% complete, ETA 00:01:10
     * # Fork: 1 of 1
     * # Warmup Iteration   1: 2078993549.108 ops/s
     * # Warmup Iteration   2: 6408026002.297 ops/s
     * # Warmup Iteration   3: 5455960135.636 ops/s
     * Iteration   1: 165330.972 ops/s
     * Iteration   2: 95420.526 ops/s
     * Iteration   3: 173340.089 ops/s
     * Iteration   4: 94214.669 ops/s
     * Iteration   5: 261606.088 ops/s
     *
     *
     * Result "org.apache.skywalking.apm.commons.datacarrier.common.AtomicRangeIntegerTest.testNewGetAndIncrementPerformance":
     *   157982.469 ±(99.9%) 265443.465 ops/s [Average]
     *   (min, avg, max) = (94214.669, 157982.469, 261606.088), stdev = 68934.825
     *   CI (99.9%): [≈ 0, 423425.934] (assumes normal distribution)
     *
     *
     * # JMH version: 1.21
     * # VM version: JDK 1.8.0_111, Java HotSpot(TM) 64-Bit Server VM, 25.111-b14
     * # VM invoker: /Library/Java/JavaVirtualMachines/jdk1.8.0_111.jdk/Contents/Home/jre/bin/java
     * # VM options: -Dfile.encoding=UTF-8
     * # Warmup: 3 iterations, 10 s each
     * # Measurement: 5 iterations, 1000 ms each, 1000 calls per op
     * # Timeout: 10 min per iteration
     * # Threads: 1024 threads, ***WARNING: Synchronize iterations are disabled!***
     * # Benchmark mode: Throughput, ops/time
     * # Benchmark: org.apache.skywalking.apm.commons.datacarrier.common.AtomicRangeIntegerTest.testOriGetAndIncrementPerformance
     *
     * # Run progress: 50.00% complete, ETA 00:00:43
     * # Fork: 1 of 1
     * # Warmup Iteration   1: 3345520433.355 ops/s
     * # Warmup Iteration   2: 4823749249.799 ops/s
     * # Warmup Iteration   3: 6676209367.819 ops/s
     * Iteration   1: 34885.954 ops/s
     * Iteration   2: 33128.147 ops/s
     * Iteration   3: 31300.865 ops/s
     * Iteration   4: 19188.602 ops/s
     * Iteration   5: 34664.282 ops/s
     *
     *
     * Result "org.apache.skywalking.apm.commons.datacarrier.common.AtomicRangeIntegerTest.testOriGetAndIncrementPerformance":
     *   30633.570 ±(99.9%) 25249.253 ops/s [Average]
     *   (min, avg, max) = (19188.602, 30633.570, 34885.954), stdev = 6557.151
     *   CI (99.9%): [5384.317, 55882.822] (assumes normal distribution)
     *
     *
     * # Run complete. Total time: 00:01:26
     *
     * REMEMBER: The numbers below are just data. To gain reusable insights, you need to follow up on
     * why the numbers are the way they are. Use profilers (see -prof, -lprof), design factorial
     * experiments, perform baseline and negative tests that provide experimental control, make sure
     * the benchmarking environment is safe on JVM/OS/HW level, ask for reviews from the domain experts.
     * Do not assume the numbers tell you what you want them to tell.
     *
     * Benchmark                                                  Mode  Cnt       Score        Error  Units
     * AtomicRangeIntegerTest.testNewGetAndIncrementPerformance  thrpt    5  157982.469 ± 265443.465  ops/s
     * AtomicRangeIntegerTest.testOriGetAndIncrementPerformance  thrpt    5   30633.570 ±  25249.253  ops/s
     */

* Using PowerMockito rathen then using reflection to mock System.getent;

* Run Test

* Trigger CI only on the master

* 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.

* 1. add unit test for ConsumerPoolFactory, EnvUtil;
2. fix the bug that Env.getLong invoking the Integer.parseInt;

* Add file header

* Refactor for cluster mode.

* Make send to L2 in certain cycle.

* Try adjustment.

* Remove heartbeat.

* Make heartbeat back to work. And default threadpool size more sense.

* Make L2 to less than before.

* Make instance heartbeat works.

* Try L1 aggregation thread = core * 2 * 2.

[Performance Improvement]Backend streaming thread model improvement

* Extend consume pool to data carrier.

* Change indicator aggregate worker and persistent worker to use default consumer pool.

* Fix CI.

* [maven-release-plugin] prepare release v6.0.0-GA

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

* Lock oracle and resin plugins version.

* Move resin and oracle plugin to openskywalking

* Restore submodule active.

* Add another submodule active command.

* Remove the wrong test cases in release and fix some doc issues.

* [maven-release-plugin] prepare release v6.0.0-alpha

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

* Fix some doc

* Revert reset feature.

* Set default dist alarm settings and make dist package setting files right.

* Support empty list.

* Manually trigger agent registration and write registration status to file

* Delete unused variables

* Code optimization, encapsulating some methods

* add clear DataCarrier function

* revert SkyWalkingAgent

* Optimize code and logic, including updating applicatin_id in unRegisterOperationNames

* Server end metadata loss notification

* Server end metadata loss notification

* fix file stream close and other problem

* revert to old

* fix some bug
Signed-off-by: NLiu-XinYuan <879928098@qq.com>

* fix some bugs in agent reset

* add close inputStream and fileChannel and fix some bug

* fixed some bugs

* Make receiver more effective

* Add Istio test case and all source dispatch in

* Refactor mock data

* FIx rat.

* Support call component.

* Fix ThermodynamicIndicator bug.

* Fix test cases.

* Fix missing calculate in db merging.

* Add codes for debug.

* 1. Fixed elasticsearch bulk process not fresh bug. (#1819)

2. Fixed the bug of source register no queue but wait the end for batch tag.

* Remove debug log, and restore TTL timer for real scenarios.

* Change version 

* [maven-release-plugin] prepare release apm-5.0.0-alpha

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

Fix assmbly for mvn clean install -Papache-release and update version to SNAPSHOT for SNAPSHOT release.

Fixing javadoc. And try to trigger a ci fail in this commit, in order to make sure javadoc will be checked in further pull request.

Move `apm-network` module under the new root module `apm-protocol`. And add `apm-ui-query` under the `apm-protocol` module.

Support to set consume cycle. And invoke the existed callbacks when the message blocked at first time.