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Polish Dubbo 2.6.x adapter #1572

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merged 3 commits into from
Aug 19, 2020
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@sczyh30 sczyh30 commented Jun 29, 2020

Describe what this PR does / why we need it

Polish Dubbo 2.6.x adapter.

Does this pull request fix one issue?

Related to #1252

Describe how you did it

  • Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
  • Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Describe how to verify it

Run the test cases and demo.

Special notes for reviews

This PR contains some breaking changes. Please pay attention.

sczyh30 added 2 commits June 29, 2020 15:13
- Unify Dubbo callback registry into DubboAdapterGlobalConfig
- Polish default fallback implementation

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
Signed-off-by: Eric Zhao <sczyh16@gmail.com>
@sczyh30 sczyh30 added kind/enhancement Category issues or prs related to enhancement. to-review To review area/integrations Issues or PRs related to integrations with open-source components labels Jun 29, 2020
@sczyh30 sczyh30 requested a review from cdfive June 29, 2020 07:21
@sczyh30 sczyh30 marked this pull request as ready for review June 29, 2020 07:35
@sczyh30 sczyh30 added this to the 1.8.0 milestone Jul 23, 2020
…adapter

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
Comment on lines +56 to +64
protected String getInterfaceName(Invoker<?> invoker) {
return invoker.getInterface().getName();
}

protected String getInterfaceName(Invoker<?> invoker, String prefix) {
if (StringUtil.isBlank(prefix)) {
return getInterfaceName(invoker);
}
return prefix + getInterfaceName(invoker);
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It seems that normally when overloading methods, the method which has less parameters call the method which has more. This is the opposite, but it is okay.

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Besides, I found that dubbo-adapter of 2.7.x has a useGroupAndVersion setting.
String getMethodResourceName(Invoker<?> invoker, Invocation invocation, Boolean useGroupAndVersion).
DubboConfig.getDubboInterfaceGroupAndVersionEnabled(), csp.sentinel.dubbo.interface.group.version.enabled
Do we need to add this in 2.6.x?

Another setting is csp.sentinel.dubbo.trace.biz.exception.enabled in 2.7.x, and it is unused.

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Besides, I found that dubbo-adapter of 2.7.x has a useGroupAndVersion setting.
String getMethodResourceName(Invoker<?> invoker, Invocation invocation, Boolean useGroupAndVersion).
DubboConfig.getDubboInterfaceGroupAndVersionEnabled(), csp.sentinel.dubbo.interface.group.version.enabled
Do we need to add this in 2.6.x?

Yes, we could add this in the future. We may open another issue to address this.

Another setting is csp.sentinel.dubbo.trace.biz.exception.enabled in 2.7.x, and it is unused.

Actually I don't think it's useful.

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OK, I agree with you. IMHO the prefix is more useful, maybe enough at present.

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OK, I agree with you. IMHO the prefix is more useful, maybe enough at present.

The group and version info can be useful. This could be contributed by community later.

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Thanks for detail description, group and version are useful indeed, got it : )

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LGTM

@sczyh30 sczyh30 merged commit 58ff01e into alibaba:master Aug 19, 2020
@sczyh30 sczyh30 deleted the polish-dubbo-adapter-0628 branch August 19, 2020 02:09
@sczyh30 sczyh30 removed the to-review To review label Aug 19, 2020
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
mastertiller pushed a commit to mastertiller/Sentinel that referenced this pull request Aug 20, 2020
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
linlinisme added a commit to linlinisme/Sentinel that referenced this pull request Nov 24, 2020
* calculate process cpu usage to support application running in container environment

* Enhance reliability and performance of InMemoryMetricsRepository (alibaba#1319)

* Fix InMemoryMetricsRepository can't keep the last five minutes metrics data problem and Improve read-write performance
* Use TimeUtil.currentTimeMillis() replace System.currentTimeMillis() for better performance

* dashboard: Support setting value pattern for client IP and host in gateway flow rule dialog (alibaba#1325)

* doc: Update JDK requirement of the dashboard in README.md (alibaba#1316)

* Following discussions in alibaba#1315

* Add "web-context-unify" config in Spring WebMVC adapter to support "chain" relation flow strategy (alibaba#1328)

* Fix the parsing issue in large post request for sentinel-transport-simple-http (alibaba#1255)

* Add gateway adapter for Zuul 2.x (alibaba#1138)

- also add demo for Zuul 2.x adapter

* Polish code and demo of Sentinel Zuul 2.x adapter

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Polish code of transport command centers and heartbeat senders

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Polish logging SPI related code and add general JUL adapter for Logger SPI (alibaba#1338)

* Move the legacy JUL methods from LogBase to BaseJulLogger.
* Add a JavaLoggingAdapter as the general JUL adapter for the Logger SPI, which makes it convenient to use (as the default logger).
* Add LoggerSpiProvider to resolve Logger SPI.
* Polish the logback demo.

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Move CommandCenterLog to sentinel-transport-common and polish related code (alibaba#1341)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Polish placeholders in logging content to slf4j convention (alibaba#1342)

* Polish placeholders in logging content to "{}"

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Fix timezone problem of sentinel-block.log

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* dashboard: Fix NoNodeException problem of FlowRuleZookeeperProvider example (alibaba#1352)

* Introduce logging extension: slf4j (alibaba#1344)

* Regroup packages related to logging into a separate module and polish document (alibaba#1355)

* Fix CI failure in JDK 11 environment (alibaba#1360)

* Supplement missing javax.annotation-api to sentinel-cluster-server-envoy-rls and sentinel-demo-zuul2-gateway
* Upgrade mockito-core to 2.28.2 (up to date)

* Fix the bug that context was not released when blocked in Spring Web adapter (alibaba#1353)

* Improve standard output message in LogBase (alibaba#1357)

* Complete the unit tests for sentinel-logging-slf4j module (alibaba#1358)

* refactor: Make the ProcessorSlot itself as SPI and deprecate legacy slot chain builder (alibaba#411)

* Make slots loaded by SPI, mark all slots with @SpiOrder from -10000 to -1000, improve comment
* Reserve gateway and param slot chain builder (just extends DefaultSlotChainBuilder) and mark them as @deprecated

* Force modifyRule command handler to fail if an incompatible old fastjson found (alibaba#1377)

* Note that this is only a temporary solution.

* Set default log level of JDK logging to INFO and polish code of SpiLoader (alibaba#1365)

* Improve log info in SpiLoader, improve comment and test case
* Use error level in catch block, init ArrayList with capacity and improve add item to list

* doc: Polish README.md of sentinel-cluster-server-envoy-rls module

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* dashboard: Hide advanced options in flow rule dialog when cluster mode is enabled (alibaba#1367)

* doc: Update README.md

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Update fastjson to 1.2.68

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Bump version to 1.7.2

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Fix the bug of extracting request cookie in Spring Cloud Gateway adapter (alibaba#1400)

* Bump version to 1.8.0-SNAPSHOT

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Add JAX-RS adapter (alibaba#1396)

* Fix the bug of misplaced locks in ContextUtil and ClusterNode (alibaba#1429)

- which may lead to IllegalMonitorStateException in unlock() when unchecked error occurs during lock()

* fix: Tracer does not trace exception to DefaultNode (alibaba#1068)

* Support setting project.name via the properties file and deprecate legacy config path (alibaba#1412)

* Update resolving logic of project name and polish SentinelConfig (alibaba#1437)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Refactor the mechanism of recording error in Entry and StatisticSlot

* Also polish related complete callbacks

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Polish Tracer with entry.setError(ex) mechanism

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* dashboard: Remove duplicate code in MetricEntity (alibaba#1441)

* dashboard: Fix the bug that cookie may have conflict with web applications under the same domain (alibaba#1443)

* Improve deprecated ParameterMetric purge mechanism (alibaba#1372)

* Clear useless data in ParameterMetric for all removed rules

* Polish code comments of the fundamental Sph/SphO/SphU class

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Add OkHttp integration (alibaba#1456)

* dashboard: Fix historical version compatibility problem for auth check via localStorage (alibaba#1473)

* Add exceptionPredicate in Tracer for customized exception filtering logic (alibaba#1496)

* test: Add test cases for Tuple2 (alibaba#1501)

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Add support for extracting param from complex object (alibaba#1491)

* This could enable specified parameter flow control for customized objects.

* Support setting class-level defaultFallback for annotation extension (alibaba#1493)

* Add unit test for logging/TokenBucket (alibaba#1504)

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Fix sentinel-apache-dubbo-adapter full GC bug (alibaba#1431)

* Polish RocketMQ PullConsumerDemo to make code clear (alibaba#1528)

* Add unit test for cluster/FlowResponseDataDecoder (alibaba#1514)

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Improve consumer filter of Dubbo 2.6.x and 2.7.x adapter (alibaba#1532)

* entry and exit with params in consumer filter

* Polish sentinel-opensource-eco-landscape-en.png

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Add annotation extension for Java EE CDI (alibaba#1541)

* Add Sentinel annotation and JAX-RS plugins for Quarkus (alibaba#1542)

* Add sentinel-quarkus-adapter module, which provides sentinel-annotation-quarkus-adapter and sentinel-jax-rs-quarkus-adapter to adapt sentinel-annotation-cdi-interceptor and sentinel-jax-rs-adapter for Quarkus. It also provides sentinel-native-image-quarkus-adapter to support running Sentinel with Quarkus in native image mode.

* Polish document and code of Sentinel annotation CDI extension

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Upgrade fastjson to 1.2.71 (alibaba#1545)

* Add file.encoding JVM args in maven-surefire-plugin to avoid charset problem (alibaba#1550)

* Add annotation CDI demo and Quarkus adapter demo (alibaba#1543)

* Polish document and rearrange package for Quarkus and JAX-RS adapter

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Support customized origin parser in legacy Dubbo 2.6.x adapter (alibaba#1555)

* Add Eureka data-source extension (alibaba#1502)

* Upgrade nacos-client version to 1.3.0 in sentinel-datasource-nacos (alibaba#1576)

* demo: Update slot chain SPI demo (alibaba#1581)

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Add explicit null checking for charset in SimpleHttpClient#encodeRequestParams (alibaba#1589)

* Adapter: Support Apache HttpClient (alibaba#1455)

Introduce support through a customized client builder `SentinelApacheHttpClientBuilder`.

* doc: Fix mistakes in README.md of sentinel-zuul-adapter (alibaba#1593)

* Fix incorrect protocol description in FlowRequestData writer/decoder (alibaba#1607)

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Refactor config mechanism for OkHttp adapter and polish related code

- One config per interceptor instead of the global config
- Polish document and demo

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* test: Add unit test for sentinel-cluster-server and polish code (alibaba#1529)

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Refactor degrade hierarchy with new circuit breaker mechanism and improve strategy

* Add `CircuitBreaker` abstraction (with half-open state) and add circuit breaker state change event observer support.
* Improve circuit breaking strategy (avg RT → slow request ratio) and make statistics of each rule dependent (to support arbitrary statistic interval).
* Add simple "trial" mechanism (aka. half-open).
* Refactor mechanism of metric recording and state change handling for circuit breakers: record RT and error when requests have completed (i.e. `onExit`, based on alibaba#1420).

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Update test cases for circuit breaking

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Update demo for circuit breaking (DegradeRule)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* test: Update test cases with new degrade mechanism in sentinel-demo-quarkus

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Remove deprecated passCheck() in Rule and polish interface

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Polish cluster flow control demo: add port in Nacos address (alibaba#1655)

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Polish boolean checking in test cases and dashboard (alibaba#1664)

* Remove unused code in TokenServerHandler#channelActive (alibaba#1667)

Signed-off-by: cj <power4j@outlook.com>

* Optimize the order of slots in ProcessorSlot SPI config (alibaba#1649)

* Fix the bug of circuit breaker half-open state transformation when request is blocked by upcoming rules (alibaba#1645)

* Refactor the workflow to fix the bug that circuit breaker may remain half-open state forever when the request is blocked by upcoming rules: revert the state change in exit handler (as a temporary workaround)
* Add exit handler in Entry as a per-invocation hook.

* Polish CircuitBreaker interface and update comments

- Only carry context in tryPass/onComplete method (this might be generic in upcoming versions)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Refactor exit handler mechanism of Entry

- Rename: whenComplete -> whenTerminate
- Execute the exit handler directly after the onExit hook of all slots

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Add extended interface for metric extension hook to support distinguishing traffic type (alibaba#1665)

- Add EntryType args to all hook methods

* dashboard: Refactor degrade service/controller and adapt to new features

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Polish Dubbo 2.6.x adapter and unify callback registry into DubboAdapterGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Refactor extended MetricExtension interface (matching events in Sentinel)

- Unify the extended interface as a few event handlers: onPass, onBlocked, onComplete and onError
- Polish related code

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Support customized origin parser in Apache Dubbo 2.7.x adapter and unify config (alibaba#1617)

* Support customized origin parser in Apache Dubbo 2.7.x adapter
* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

* Polish code and README.md of sentinel-datasource-eureka

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* webmvc-adapter: improve to avoid ErrorEntryFreeException (alibaba#1533)

If entry already exists in request just skip creation.

* adapter: Add test cases for Spring WebFlux HandlerFunction (alibaba#1678)

* Add RuntimeException converting method in BlockException and polish logic for validation

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Fix NPE bug and improve default fallback in Dubbo 2.7.x adapter

- Fix NPE bug in consumer filter (when non-biz error occurred)
- Improve default fallback in Dubbo 2.7.x adapter: convert the BlockException to a simple RuntimeException (with necessary message)
- Polish code and comments

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Improve compatibility for dispatched servlet request in Spring Web adapter (alibaba#1681)

* Bump version to 1.8.0

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Update README.md

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Bump version to 1.8.1-SNAPSHOT

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

* Fix typo in CircuitBreakingIntegrationTest (alibaba#1688)

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Pre-calculate intervalInSecond in LeapArray to reduce redundant calculation (alibaba#1700)

* doc: Fix typo in code comments (alibaba#1721)

* Solve the URI fetching bug in sentinel-zuul-adapter alibaba#1109 (alibaba#1605)

Use `getRequestURI` instead of `getServletPath` to get URI of current request(Both in prefix and regex matching).

* Fix NPE bug when updating gateway flow rules before the route/API has been requested once (alibaba#1729)

* Make NettyTransportClient.getCurrentId() thread safe (alibaba#1707)

Fix issue alibaba#1705.

- Use CAS to make it thread safe and limited in the declared range.

Signed-off-by: cj <power4j@outlook.com>

* Add attributes of cluster concurrency limiting in ClusterFlowConfig

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Add concurrency token request/release operation in TokenService

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Add basic cluster concurrency limiting impl in token server module

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* Add unit tests for cluster concurrent limiting checker

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>

* doc: Fix content in README.md of sentinel-dashboard (alibaba#1737)

* Fix the dependency conflict issue

* Optimize logging statements using placeholder (alibaba#1736)

* Optimize logging statements using placeholder to avoid unnecessary concatenation (issue alibaba#1735)

* Polish document and name of parameter (alibaba#1738)

- doc: Fix a typo in description of booting options for sentinel-dashboard
- Fix mismatched name of parameter to its comment for VersionUtils.parseVersion()

* Fix potential concurrency issue when updating flow rules (alibaba#1783)

* test: Fix overrunning test `FlowRuleManagerTest.testLoadAndGetRules` (alibaba#1823)

Signed-off-by: Jason Joo <hblzxsj@163.com>

* Improve default block fallback logic in Dubbo 2.6.x adapter to avoid serialization problem  (alibaba#1794)

- convert BlockException to a simple RuntimeException (with necessary message)

* Fix the problem that requests will never be blocked when slowRatioThreshold = 100% (alibaba#1779)

* CI: Polish dependencies for ARM64 and add ARM64 job to Travis CI (alibaba#1765)

1. Added ARM64 architecture in .travis.yml
2. Updated 'embedded-consul' version to 2.2.0, 'consul-api' version to 1.4.5 for ARM64 support.
3. Updated grpc.version for 'io.grpc:protoc-gen-grpc-java' to 1.30.2, for ARM64 support.

Signed-off-by: odidev <odidev@puresoftware.com>

* [feat alibaba#1839]: Make dashboard support deploying under subpath (alibaba#1851)

* dashboard: Add statIntervalMs field in DegradeRule dialog (alibaba#1781)

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Co-authored-by: tao.zhang <waves_Max@163.com>
Co-authored-by: Eric Zhao <sczyh16@gmail.com>
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hughpearse pushed a commit to hughpearse/Sentinel that referenced this pull request Jun 2, 2021
…terGlobalConfig (alibaba#1572)

* Unify Dubbo callback registry (for fallback and origin parser) into DubboAdapterGlobalConfig
* Polish default fallback implementation (wrap exception with RpcResult rather than directly throw it out)

Signed-off-by: Eric Zhao <sczyh16@gmail.com>
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