* [Feature] Support collecting database connection pool metric,support druid/hikari #8450
* [Feature] Support collecting database connection pool metric,support druid/hikari #8450
* [Feature] Support collecting database connection pool metric,support druid/hikari/dbcp2 #8450
* feat: Add Guava EventBus plugin
* refactor: Remove serviceComb 1.0.0 from the test matric to avoid the influence of guava-event-bus plugin on scenario test results.
* Enhance `returnedObj` expression to support Array, List and Map for apm-customize-enhance-plugin and `@Tag`
* update doc & add UnitTest for @Tag annotation
* update e2e test accordingly
* fix: Fix MultiScopesAnalysisListener#setPublicAttrs log warn frequently. #6562
1. Rename current STATUS_CODE to HTTP_RESPONSE_STATUS_CODE, real tag key should be http.status_code.
2. Add a new string tag RPC_RESPONSE_STATUS_CODE to hold all string type value tag. The key is `rpc.status_code`.
3. At the backend, keep responseCode for HTTP_RESPONSE_STATUS_CODE tag, but add @Deprecated. Also, add httpResponseStatusCode(a duplicate of responseCode) and rpcStatusCode(for RPC_RESPONSE_STATUS_CODE) fields for OAL.
* Modify `Tags.STATUS_CODE` field name to `Tags.HTTP_RESPONSE_STATUS_CODE` and type from `StringTag` to `IntegerTag`, add `Tags.RPC_RESPONSE_STATUS_CODE` field to hold rpc response code value.
* Add `rpcStatusCode` for `rpc.status_code` tag in the OAL objects. The `responseCode` field is marked as deprecated and replaced by `httpResponseStatusCode` field.
* Tag `status_code` is still supported in the backend for forward compatbility. Will be removed one year later.
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>
* Support Metric level function `serviceRelation` in `MAL`.
* Support envoy metrics binding into the topology.
* add istio args
* remove istio 1.7
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>
Co-authored-by: Jared Tan <jian.tan@daocloud.io>
Co-authored-by: Zhenxu <kezhenxu94@apache.org>
Remove the following plugins due to they are legacy and unstable releases.
1. sharding-jdbc-1.5.x-plugin
2. sharding-sphere-4.x-rc3-plugin
3. sharding-sphere-4.x-plugin (This is for RC1 and RC2)
To people who want to use these removing versions, you still could copy the plugins from SkyWalking's 8.6.0 release to the '/plugins' folder to activate, unless SkyWalking has some core level APIs upgrade. This is very rare to happen.
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