小傅哥，feat：《java 简明教程》- 质量监控

.gitignore

+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+/.idea/
+
+/*.iml
+/*/*.iml
+/*/target/

Dockerfile

+# 基础镜像
+FROM openjdk:8-jre-slim
+# 作者
+MAINTAINER xiaofuge
+# 配置
+ENV PARAMS=""
+# 时区
+ENV TZ=PRC
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+# 添加应用
+ADD /target/skywalking-app.jar /skywalking-app.jar
+## 在镜像运行为容器后执行的命令
+ENTRYPOINT ["java", "-Xmx512m", "-javaagent:/docs/skywalking-agent/skywalking-agent.jar", "-Dskywalking.agent.service_name=skywalking-app", "-Dskywalking.collector.backend_service=180.76.138.41:11800", "-jar", "/skywalking-app.jar"]
\ No newline at end of file

build.sh

+docker build -f ./Dockerfile -t fuzhengwei/skywalking-app:1.1 .
\ No newline at end of file

docs/dev-ops/docker-compose/docker-compose.md

+# 重命名；下载；docker-compose-`uname -s`-`uname -m` 查看版本；https://github.com/docker/compose/releases/tag/v2.18.1
+`mv docker-compose-Linux-x86_64  docker-compose`
+# 加入执行权限
+`sudo chmod +x /usr/local/bin/docker-compose`
+# 查看docker-compose版本
+`docker-compose -v`
+
+```java
+[root@dev-ops bin]# docker-compose -v
+Docker Compose version v2.18.1
+```
\ No newline at end of file

docs/dev-ops/environment/environment-docker-compose.yml

+# /usr/local/bin/docker-compose -f /docs/dev-ops/environment/environment-docker-compose.yml up -d
+version: '3'
+services:
+  mysql:
+    image: mysql:5.7
+    container_name: mysql
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: 123456
+      MYSQL_DATABASE: road-map
+      MYSQL_USER: xfg
+      MYSQL_PASSWORD: 123456
+    ports:
+      - "3306:3306"
+    volumes:
+      - ./mysql-data:/var/lib/mysql

docs/dev-ops/skywalking/skywalking-docker-compose.yml

+# https://skywalking.apache.org/downloads/
+# /usr/local/bin/docker-compose -f /docs/dev-ops/skywalking/skywalking-docker-compose.yml up -d
+version: '3.8'
+services:
+  elasticsearch:
+    image: elasticsearch:7.16.2
+    container_name: elasticsearch
+    ports:
+      - "9200:9200"
+    healthcheck:
+      test: [ "CMD-SHELL", "curl --silent --fail localhost:9200/_cluster/health || exit 1" ]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+    environment:
+      - discovery.type=single-node
+      - bootstrap.memory_lock=true
+      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
+    ulimits:
+      memlock:
+        soft: -1
+        hard: -1
+#    volumes:
+#      - ./data/es_data:/usr/share/elasticsearch/data
+
+  oap:
+    image: apache/skywalking-oap-server:8.9.0
+    container_name: oap
+    depends_on:
+      elasticsearch:
+        condition: service_healthy
+    links:
+      - elasticsearch
+    ports:
+      - "11800:11800"
+      - "12800:12800"
+    healthcheck:
+      test: [ "CMD-SHELL", "/skywalking/bin/swctl ch" ]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+    environment:
+      SW_STORAGE: elasticsearch
+      SW_STORAGE_ES_CLUSTER_NODES: elasticsearch:9200
+      SW_HEALTH_CHECKER: default
+      SW_TELEMETRY: prometheus
+      JAVA_OPTS: "-Xms1024m -Xmx1024m"
+
+  skywalking-ui:
+    image: apache/skywalking-ui:8.9.0
+    container_name: skywalking-ui
+    depends_on:
+      oap:
+        condition: service_healthy
+    links:
+      - oap
+    ports:
+      - "9090:8080"
+    environment:
+      SW_OAP_ADDRESS: http://oap:12800
\ No newline at end of file

docs/skywalking-agent/LICENSE

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+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
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+   4. Redistribution. You may reproduce and distribute copies of the
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+      meet the following conditions:
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+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
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+      (d) If the Work includes a "NOTICE" text file as part of its
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+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
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+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
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+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
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+      on Your own behalf and on Your sole responsibility, not on behalf
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+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
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+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright {yyyy} {name of copyright owner}
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+=======================================================================
+Apache SkyWalking Subcomponents:
+
+The Apache SkyWalking project contains subcomponents with separate copyright
+notices and license terms. Your use of the source code for the these
+subcomponents is subject to the terms and conditions of the following
+licenses.
+
+========================================================================
+Apache 2.0 licenses
+========================================================================
+
+The following components are provided under the Apache License. See project link for details.
+The text of each license is the standard Apache 2.0 license.
+
+    raphw (byte-buddy) 1.11.18: http://bytebuddy.net/ , Apache 2.0
+    Google: grpc-java 1.44.0: https://github.com/grpc/grpc-java, Apache 2.0
+    Google: gson 2.8.6: https://github.com/google/gson , Apache 2.0
+    Google: proto-google-common-protos 2.0.1: https://github.com/googleapis/googleapis , Apache 2.0
+    Google: jsr305 3.0.2: http://central.maven.org/maven2/com/google/code/findbugs/jsr305/3.0.0/jsr305-3.0.0.pom , Apache 2.0
+    netty 4.1.72: https://github.com/netty/netty/blob/4.1/LICENSE.txt, Apache 2.0
+
+========================================================================
+BSD licenses
+========================================================================
+
+The following components are provided under a BSD license. See project link for details.
+The text of each license is also included at licenses/LICENSE-[project].txt.
+
+    asm 9.2:https://gitlab.ow2.org , BSD-3-Clause

docs/skywalking-agent/NOTICE

+Apache SkyWalking
+Copyright 2017-2022 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+
+========================================================================
+
+grpc-java NOTICE
+
+========================================================================
+Copyright 2014, gRPC Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+-----------------------------------------------------------------------
+
+This product contains a modified portion of 'OkHttp', an open source
+HTTP & SPDY client for Android and Java applications, which can be obtained
+at:
+
+  * LICENSE:
+    * okhttp/third_party/okhttp/LICENSE (Apache License 2.0)
+  * HOMEPAGE:
+    * https://github.com/square/okhttp
+  * LOCATION_IN_GRPC:
+    * okhttp/third_party/okhttp
+
+This product contains a modified portion of 'Netty', an open source
+networking library, which can be obtained at:
+
+  * LICENSE:
+    * netty/third_party/netty/LICENSE.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * https://netty.io
+  * LOCATION_IN_GRPC:
+    * netty/third_party/netty
+
+========================================================================
+
+grpc NOTICE
+
+========================================================================
+
+Copyright 2014 gRPC authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+
+========================================================================
+
+netty NOTICE
+
+========================================================================
+
+
+                            The Netty Project
+                            =================
+
+Please visit the Netty web site for more information:
+
+  * http://netty.io/
+
+Copyright 2014 The Netty Project
+
+The Netty Project licenses this file to you under the Apache License,
+version 2.0 (the "License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at:
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+License for the specific language governing permissions and limitations
+under the License.
+
+Also, please refer to each LICENSE.<component>.txt file, which is located in
+the 'license' directory of the distribution file, for the license terms of the
+components that this product depends on.
+
+-------------------------------------------------------------------------------
+This product contains the extensions to Java Collections Framework which has
+been derived from the works by JSR-166 EG, Doug Lea, and Jason T. Greene:
+
+  * LICENSE:
+    * license/LICENSE.jsr166y.txt (Public Domain)
+  * HOMEPAGE:
+    * http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/
+    * http://viewvc.jboss.org/cgi-bin/viewvc.cgi/jbosscache/experimental/jsr166/
+
+This product contains a modified version of Robert Harder's Public Domain
+Base64 Encoder and Decoder, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.base64.txt (Public Domain)
+  * HOMEPAGE:
+    * http://iharder.sourceforge.net/current/java/base64/
+
+This product contains a modified portion of 'Webbit', an event based
+WebSocket and HTTP server, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.webbit.txt (BSD License)
+  * HOMEPAGE:
+    * https://github.com/joewalnes/webbit
+
+This product contains a modified portion of 'SLF4J', a simple logging
+facade for Java, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.slf4j.txt (MIT License)
+  * HOMEPAGE:
+    * http://www.slf4j.org/
+
+This product contains a modified portion of 'Apache Harmony', an open source
+Java SE, which can be obtained at:
+
+  * NOTICE:
+    * license/NOTICE.harmony.txt
+  * LICENSE:
+    * license/LICENSE.harmony.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * http://archive.apache.org/dist/harmony/
+
+This product contains a modified portion of 'jbzip2', a Java bzip2 compression
+and decompression library written by Matthew J. Francis. It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.jbzip2.txt (MIT License)
+  * HOMEPAGE:
+    * https://code.google.com/p/jbzip2/
+
+This product contains a modified portion of 'libdivsufsort', a C API library to construct
+the suffix array and the Burrows-Wheeler transformed string for any input string of
+a constant-size alphabet written by Yuta Mori. It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.libdivsufsort.txt (MIT License)
+  * HOMEPAGE:
+    * https://github.com/y-256/libdivsufsort
+
+This product contains a modified portion of Nitsan Wakart's 'JCTools', Java Concurrency Tools for the JVM,
+ which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.jctools.txt (ASL2 License)
+  * HOMEPAGE:
+    * https://github.com/JCTools/JCTools
+
+This product optionally depends on 'JZlib', a re-implementation of zlib in
+pure Java, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.jzlib.txt (BSD style License)
+  * HOMEPAGE:
+    * http://www.jcraft.com/jzlib/
+
+This product optionally depends on 'Compress-LZF', a Java library for encoding and
+decoding data in LZF format, written by Tatu Saloranta. It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.compress-lzf.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * https://github.com/ning/compress
+
+This product optionally depends on 'lz4', a LZ4 Java compression
+and decompression library written by Adrien Grand. It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.lz4.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * https://github.com/jpountz/lz4-java
+
+This product optionally depends on 'lzma-java', a LZMA Java compression
+and decompression library, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.lzma-java.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * https://github.com/jponge/lzma-java
+
+This product contains a modified portion of 'jfastlz', a Java port of FastLZ compression
+and decompression library written by William Kinney. It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.jfastlz.txt (MIT License)
+  * HOMEPAGE:
+    * https://code.google.com/p/jfastlz/
+
+This product contains a modified portion of and optionally depends on 'Protocol Buffers', Google's data
+interchange format, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.protobuf.txt (New BSD License)
+  * HOMEPAGE:
+    * https://github.com/google/protobuf
+
+This product optionally depends on 'Bouncy Castle Crypto APIs' to generate
+a temporary self-signed X.509 certificate when the JVM does not provide the
+equivalent functionality.  It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.bouncycastle.txt (MIT License)
+  * HOMEPAGE:
+    * http://www.bouncycastle.org/
+
+This product optionally depends on 'Snappy', a compression library produced
+by Google Inc, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.snappy.txt (New BSD License)
+  * HOMEPAGE:
+    * https://github.com/google/snappy
+
+This product optionally depends on 'JBoss Marshalling', an alternative Java
+serialization API, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.jboss-marshalling.txt (GNU LGPL 2.1)
+  * HOMEPAGE:
+    * http://www.jboss.org/jbossmarshalling
+
+This product optionally depends on 'Caliper', Google's micro-
+benchmarking framework, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.caliper.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * https://github.com/google/caliper
+
+This product optionally depends on 'Apache Commons Logging', a logging
+framework, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.commons-logging.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * http://commons.apache.org/logging/
+
+This product optionally depends on 'Apache Log4J', a logging framework, which
+can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.log4j.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * http://logging.apache.org/log4j/
+
+This product optionally depends on 'Aalto XML', an ultra-high performance
+non-blocking XML processor, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.aalto-xml.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * http://wiki.fasterxml.com/AaltoHome
+
+This product contains a modified version of 'HPACK', a Java implementation of
+the HTTP/2 HPACK algorithm written by Twitter. It can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.hpack.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * https://github.com/twitter/hpack
+
+This product contains a modified portion of 'Apache Commons Lang', a Java library
+provides utilities for the java.lang API, which can be obtained at:
+
+  * LICENSE:
+    * license/LICENSE.commons-lang.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * https://commons.apache.org/proper/commons-lang/
+
+
+This product contains the Maven wrapper scripts from 'Maven Wrapper', that provides an easy way to ensure a user has everything necessary to run the Maven build.
+
+  * LICENSE:
+    * license/LICENSE.mvn-wrapper.txt (Apache License 2.0)
+  * HOMEPAGE:
+    * https://github.com/takari/maven-wrapper
+

docs/skywalking-agent/config/agent.config

+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# The agent namespace
+agent.namespace=${SW_AGENT_NAMESPACE:}
+
+# The service name in UI
+agent.service_name=${SW_AGENT_NAME:Your_ApplicationName}
+
+# The number of sampled traces per 3 seconds
+# Negative or zero means off, by default
+agent.sample_n_per_3_secs=${SW_AGENT_SAMPLE:-1}
+
+# Authentication active is based on backend setting, see application.yml for more details.
+agent.authentication=${SW_AGENT_AUTHENTICATION:}
+
+# The max number of TraceSegmentRef in a single span to keep memory cost estimatable.
+agent.trace_segment_ref_limit_per_span=${SW_TRACE_SEGMENT_LIMIT:500}
+
+# The max amount of spans in a single segment.
+# Through this config item, SkyWalking keep your application memory cost estimated.
+agent.span_limit_per_segment=${SW_AGENT_SPAN_LIMIT:300}
+
+# If the operation name of the first span is included in this set, this segment should be ignored. Multiple values should be separated by `,`.
+agent.ignore_suffix=${SW_AGENT_IGNORE_SUFFIX:.jpg,.jpeg,.js,.css,.png,.bmp,.gif,.ico,.mp3,.mp4,.html,.svg}
+
+# If true, SkyWalking agent will save all instrumented classes files in `/debugging` folder.
+# SkyWalking team may ask for these files in order to resolve compatible problem.
+agent.is_open_debugging_class=${SW_AGENT_OPEN_DEBUG:false}
+
+# If true, SkyWalking agent will cache all instrumented classes files to memory or disk files (decided by class cache mode),
+# allow other javaagent to enhance those classes that enhanced by SkyWalking agent.
+agent.is_cache_enhanced_class=${SW_AGENT_CACHE_CLASS:false}
+
+# The instrumented classes cache mode: MEMORY or FILE
+# MEMORY: cache class bytes to memory, if instrumented classes is too many or too large, it may take up more memory
+# FILE: cache class bytes in `/class-cache` folder, automatically clean up cached class files when the application exits
+agent.class_cache_mode=${SW_AGENT_CLASS_CACHE_MODE:MEMORY}
+
+# Instance name is the identity of an instance, should be unique in the service. If empty, SkyWalking agent will
+# generate an 32-bit uuid. BY Default, SkyWalking uses UUID@hostname as the instance name. Max length is 50(UTF-8 char)
+agent.instance_name=${SW_AGENT_INSTANCE_NAME:}
+
+agent.instance_properties_json=${SW_INSTANCE_PROPERTIES_JSON:}
+
+# How depth the agent goes, when log all cause exceptions.
+agent.cause_exception_depth=${SW_AGENT_CAUSE_EXCEPTION_DEPTH:5}
+
+# Force reconnection period of grpc, based on grpc_channel_check_interval.
+agent.force_reconnection_period=${SW_AGENT_FORCE_RECONNECTION_PERIOD:1}
+
+# The operationName max length
+# Notice, in the current practice, we don't recommend the length over 190.
+agent.operation_name_threshold=${SW_AGENT_OPERATION_NAME_THRESHOLD:150}
+
+# Keep tracing even the backend is not available if this value is true.
+agent.keep_tracing=${SW_AGENT_KEEP_TRACING:false}
+
+# The agent use gRPC plain text in default.
+# If true, SkyWalking agent uses TLS even no CA file detected.
+agent.force_tls=${SW_AGENT_FORCE_TLS:false}
+
+# gRPC SSL trusted ca file.
+agent.ssl_trusted_ca_path=${SW_AGENT_SSL_TRUSTED_CA_PATH:/ca/ca.crt}
+
+# enable mTLS when ssl_key_path and ssl_cert_chain_path exist.
+agent.ssl_key_path=${SW_AGENT_SSL_KEY_PATH:}
+
+agent.ssl_cert_chain_path=${SW_AGENT_SSL_CERT_CHAIN_PATH:}
+
+# Limit the length of the ipv4 list size.
+osinfo.ipv4_list_size=${SW_AGENT_OSINFO_IPV4_LIST_SIZE:10}
+
+# grpc channel status check interval.
+collector.grpc_channel_check_interval=${SW_AGENT_COLLECTOR_GRPC_CHANNEL_CHECK_INTERVAL:30}
+# Agent heartbeat report period. Unit, second.
+collector.heartbeat_period=${SW_AGENT_COLLECTOR_HEARTBEAT_PERIOD:30}
+# The agent sends the instance properties to the backend every
+# collector.heartbeat_period * collector.properties_report_period_factor seconds
+collector.properties_report_period_factor=${SW_AGENT_COLLECTOR_PROPERTIES_REPORT_PERIOD_FACTOR:10}
+# Backend service addresses.
+collector.backend_service=${SW_AGENT_COLLECTOR_BACKEND_SERVICES:127.0.0.1:11800}
+# How long grpc client will timeout in sending data to upstream. Unit is second.
+collector.grpc_upstream_timeout=${SW_AGENT_COLLECTOR_GRPC_UPSTREAM_TIMEOUT:30}
+# Sniffer get profile task list interval.
+collector.get_profile_task_interval=${SW_AGENT_COLLECTOR_GET_PROFILE_TASK_INTERVAL:20}
+# Sniffer get agent dynamic config interval.
+collector.get_agent_dynamic_config_interval=${SW_AGENT_COLLECTOR_GET_AGENT_DYNAMIC_CONFIG_INTERVAL:20}
+# If true, skywalking agent will enable periodically resolving DNS to update receiver service addresses.
+collector.is_resolve_dns_periodically=${SW_AGENT_COLLECTOR_IS_RESOLVE_DNS_PERIODICALLY:false}
+
+# Logging level
+logging.level=${SW_LOGGING_LEVEL:INFO}
+# Logging file_name
+logging.file_name=${SW_LOGGING_FILE_NAME:skywalking-api.log}
+# Log output. Default is FILE. Use CONSOLE means output to stdout.
+logging.output=${SW_LOGGING_OUTPUT:FILE}
+# Log files directory. Default is blank string, meaning use "{theSkywalkingAgentJarDir}/logs " to output logs.
+# {theSkywalkingAgentJarDir} is the directory where the skywalking agent jar file is located
+logging.dir=${SW_LOGGING_DIR:}
+# Logger resolver: PATTERN or JSON. The default is PATTERN, which uses logging.pattern to print traditional text logs.
+# JSON resolver prints logs in JSON format.
+logging.resolver=${SW_LOGGING_RESOLVER:PATTERN}
+# Logging format. There are all conversion specifiers:
+#  * %level means log level.
+#  * %timestamp means now of time with format yyyy-MM-dd HH:mm:ss:SSS.
+#  * %thread means name of current thread.
+#  * %msg means some message which user logged.
+#  * %class means SimpleName of TargetClass.
+#  * %throwable means a throwable which user called.
+#  * %agent_name means agent.service_name. Only apply to the PatternLogger.
+logging.pattern=${SW_LOGGING_PATTERN:%level %timestamp %thread %class : %msg %throwable}
+# Logging max_file_size, default: 300 * 1024 * 1024 = 314572800
+logging.max_file_size=${SW_LOGGING_MAX_FILE_SIZE:314572800}
+# The max history log files. When rollover happened, if log files exceed this number,
+# then the oldest file will be delete. Negative or zero means off, by default.
+logging.max_history_files=${SW_LOGGING_MAX_HISTORY_FILES:-1}
+
+# Listed exceptions would not be treated as an error. Because in some codes, the exception is being used as a way of controlling business flow.
+# Besides, the annotation named IgnoredException in the trace toolkit is another way to configure ignored exceptions.
+statuscheck.ignored_exceptions=${SW_STATUSCHECK_IGNORED_EXCEPTIONS:}
+# The max recursive depth when checking the exception traced by the agent. Typically, we don't recommend setting this more than 10, which could cause a performance issue. Negative value and 0 would be ignored, which means all exceptions would make the span tagged in error status.
+statuscheck.max_recursive_depth=${SW_STATUSCHECK_MAX_RECURSIVE_DEPTH:1}
+
+# Max element count in the correlation context
+correlation.element_max_number=${SW_CORRELATION_ELEMENT_MAX_NUMBER:3}
+
+# Max value length of each element.
+correlation.value_max_length=${SW_CORRELATION_VALUE_MAX_LENGTH:128}
+# Tag the span by the key/value in the correlation context, when the keys listed here exist.
+correlation.auto_tag_keys=${SW_CORRELATION_AUTO_TAG_KEYS:}
+# The buffer size of collected JVM info.
+jvm.buffer_size=${SW_JVM_BUFFER_SIZE:600}
+# The buffer channel size.
+buffer.channel_size=${SW_BUFFER_CHANNEL_SIZE:5}
+# The buffer size.
+buffer.buffer_size=${SW_BUFFER_BUFFER_SIZE:300}
+# If true, skywalking agent will enable profile when user create a new profile task. Otherwise disable profile.
+profile.active=${SW_AGENT_PROFILE_ACTIVE:true}
+# Parallel monitor segment count
+profile.max_parallel=${SW_AGENT_PROFILE_MAX_PARALLEL:5}
+# Max monitor segment time(minutes), if current segment monitor time out of limit, then stop it.
+profile.duration=${SW_AGENT_PROFILE_DURATION:10}
+# Max dump thread stack depth
+profile.dump_max_stack_depth=${SW_AGENT_PROFILE_DUMP_MAX_STACK_DEPTH:500}
+# Snapshot transport to backend buffer size
+profile.snapshot_transport_buffer_size=${SW_AGENT_PROFILE_SNAPSHOT_TRANSPORT_BUFFER_SIZE:4500}
+# If true, the agent collects and reports metrics to the backend.
+meter.active=${SW_METER_ACTIVE:true}
+# Report meters interval. The unit is second
+meter.report_interval=${SW_METER_REPORT_INTERVAL:20}
+#  Max size of the meter pool
+meter.max_meter_size=${SW_METER_MAX_METER_SIZE:500}
+# The max size of message to send to server.Default is 10 MB
+log.max_message_size=${SW_GRPC_LOG_MAX_MESSAGE_SIZE:10485760}
+
+#  Mount the specific folders of the plugins. Plugins in mounted folders would work.
+plugin.mount=${SW_MOUNT_FOLDERS:plugins,activations}
+# Peer maximum description limit.
+plugin.peer_max_length=${SW_PLUGIN_PEER_MAX_LENGTH:200}
+# Exclude some plugins define in plugins dir.Plugin names is defined in [Agent plugin list](Plugin-list.md)
+plugin.exclude_plugins=${SW_EXCLUDE_PLUGINS:}
+# If true, trace all the parameters in MongoDB access, default is false. Only trace the operation, not include parameters.
+plugin.mongodb.trace_param=${SW_PLUGIN_MONGODB_TRACE_PARAM:false}
+# If set to positive number, the `WriteRequest.params` would be truncated to this length, otherwise it would be completely saved, which may cause performance problem.
+plugin.mongodb.filter_length_limit=${SW_PLUGIN_MONGODB_FILTER_LENGTH_LIMIT:256}
+# If true, trace all the DSL(Domain Specific Language) in ElasticSearch access, default is false.
+plugin.elasticsearch.trace_dsl=${SW_PLUGIN_ELASTICSEARCH_TRACE_DSL:false}
+# If true, the fully qualified method name will be used as the endpoint name instead of the request URL, default is false.
+plugin.springmvc.use_qualified_name_as_endpoint_name=${SW_PLUGIN_SPRINGMVC_USE_QUALIFIED_NAME_AS_ENDPOINT_NAME:false}
+# If true, the fully qualified method name will be used as the operation name instead of the given operation name, default is false.
+plugin.toolit.use_qualified_name_as_operation_name=${SW_PLUGIN_TOOLIT_USE_QUALIFIED_NAME_AS_OPERATION_NAME:false}
+# If set to true, the parameters of the sql (typically `java.sql.PreparedStatement`) would be collected.
+plugin.jdbc.trace_sql_parameters=${SW_JDBC_TRACE_SQL_PARAMETERS:false}
+# If set to positive number, the `db.sql.parameters` would be truncated to this length, otherwise it would be completely saved, which may cause performance problem.
+plugin.jdbc.sql_parameters_max_length=${SW_PLUGIN_JDBC_SQL_PARAMETERS_MAX_LENGTH:512}
+# If set to positive number, the `db.statement` would be truncated to this length, otherwise it would be completely saved, which may cause performance problem.
+plugin.jdbc.sql_body_max_length=${SW_PLUGIN_JDBC_SQL_BODY_MAX_LENGTH:2048}
+# If true, trace all the query parameters(include deleteByIds and deleteByQuery) in Solr query request, default is false.
+plugin.solrj.trace_statement=${SW_PLUGIN_SOLRJ_TRACE_STATEMENT:false}
+# If true, trace all the operation parameters in Solr request, default is false.
+plugin.solrj.trace_ops_params=${SW_PLUGIN_SOLRJ_TRACE_OPS_PARAMS:false}
+# If true, trace all middleware/business handlers that are part of the Light4J handler chain for a request.
+plugin.light4j.trace_handler_chain=${SW_PLUGIN_LIGHT4J_TRACE_HANDLER_CHAIN:false}
+# If true, the transaction definition name will be simplified.
+plugin.springtransaction.simplify_transaction_definition_name=${SW_PLUGIN_SPRINGTRANSACTION_SIMPLIFY_TRANSACTION_DEFINITION_NAME:false}
+#  Threading classes (`java.lang.Runnable` and `java.util.concurrent.Callable`) and their subclasses, including anonymous inner classes whose name match any one of the `THREADING_CLASS_PREFIXES` (splitted by `,`) will be instrumented, make sure to only specify as narrow prefixes as what you're expecting to instrument, (`java.` and `javax.` will be ignored due to safety issues)
+plugin.jdkthreading.threading_class_prefixes=${SW_PLUGIN_JDKTHREADING_THREADING_CLASS_PREFIXES:}
+#  This config item controls that whether the Tomcat plugin should collect the parameters of the request. Also, activate implicitly in the profiled trace. 
+plugin.tomcat.collect_http_params=${SW_PLUGIN_TOMCAT_COLLECT_HTTP_PARAMS:false}
+#  This config item controls that whether the SpringMVC plugin should collect the parameters of the request, when your Spring application is based on Tomcat, consider only setting either `plugin.tomcat.collect_http_params` or `plugin.springmvc.collect_http_params`. Also, activate implicitly in the profiled trace. 
+plugin.springmvc.collect_http_params=${SW_PLUGIN_SPRINGMVC_COLLECT_HTTP_PARAMS:false}
+#  This config item controls that whether the HttpClient plugin should collect the parameters of the request 
+plugin.httpclient.collect_http_params=${SW_PLUGIN_HTTPCLIENT_COLLECT_HTTP_PARAMS:false}
+#  When `COLLECT_HTTP_PARAMS` is enabled, how many characters to keep and send to the OAP backend, use negative values to keep and send the complete parameters, NB. this config item is added for the sake of performance.  
+plugin.http.http_params_length_threshold=${SW_PLUGIN_HTTP_HTTP_PARAMS_LENGTH_THRESHOLD:1024}
+#  When `include_http_headers` declares header names, this threshold controls the length limitation of all header values. use negative values to keep and send the complete headers. Note. this config item is added for the sake of performance. 
+plugin.http.http_headers_length_threshold=${SW_PLUGIN_HTTP_HTTP_HEADERS_LENGTH_THRESHOLD:2048}
+#  Set the header names, which should be collected by the plugin. Header name must follow `javax.servlet.http` definition. Multiple names should be split by comma.
+plugin.http.include_http_headers=${SW_PLUGIN_HTTP_INCLUDE_HTTP_HEADERS:}
+#  This config item controls that whether the Feign plugin should collect the http body of the request. 
+plugin.feign.collect_request_body=${SW_PLUGIN_FEIGN_COLLECT_REQUEST_BODY:false}
+#  When `COLLECT_REQUEST_BODY` is enabled, how many characters to keep and send to the OAP backend, use negative values to keep and send the complete body.  
+plugin.feign.filter_length_limit=${SW_PLUGIN_FEIGN_FILTER_LENGTH_LIMIT:1024}
+#  When `COLLECT_REQUEST_BODY` is enabled and content-type start with SUPPORTED_CONTENT_TYPES_PREFIX, collect the body of the request , multiple paths should be separated by `,`  
+plugin.feign.supported_content_types_prefix=${SW_PLUGIN_FEIGN_SUPPORTED_CONTENT_TYPES_PREFIX:application/json,text/}
+# If true, trace all the influxql(query and write) in InfluxDB access, default is true.
+plugin.influxdb.trace_influxql=${SW_PLUGIN_INFLUXDB_TRACE_INFLUXQL:true}
+#  Apache Dubbo consumer collect `arguments` in RPC call, use `Object#toString` to collect `arguments`. 
+plugin.dubbo.collect_consumer_arguments=${SW_PLUGIN_DUBBO_COLLECT_CONSUMER_ARGUMENTS:false}
+#  When `plugin.dubbo.collect_consumer_arguments` is `true`, Arguments of length from the front will to the OAP backend 
+plugin.dubbo.consumer_arguments_length_threshold=${SW_PLUGIN_DUBBO_CONSUMER_ARGUMENTS_LENGTH_THRESHOLD:256}
+#  Apache Dubbo provider collect `arguments` in RPC call, use `Object#toString` to collect `arguments`. 
+plugin.dubbo.collect_provider_arguments=${SW_PLUGIN_DUBBO_COLLECT_PROVIDER_ARGUMENTS:false}
+#  When `plugin.dubbo.collect_provider_arguments` is `true`, Arguments of length from the front will to the OAP backend
+plugin.dubbo.provider_arguments_length_threshold=${SW_PLUGIN_DUBBO_PROVIDER_ARGUMENTS_LENGTH_THRESHOLD:256}
+#  A list of host/port pairs to use for establishing the initial connection to the Kafka cluster. 
+plugin.kafka.bootstrap_servers=${SW_KAFKA_BOOTSTRAP_SERVERS:localhost:9092}
+#  Timeout period of reading topics from the Kafka server, the unit is second. 
+plugin.kafka.get_topic_timeout=${SW_GET_TOPIC_TIMEOUT:10}
+# Kafka producer configuration. Read [producer configure](http://kafka.apache.org/24/documentation.html#producerconfigs)
+# to get more details. Check document for more details and examples.
+plugin.kafka.producer_config=${sw_plugin_kafka_producer_config:}
+# Configure Kafka Producer configuration in JSON format. Notice it will be overridden by plugin.kafka.producer_config[key], if the key duplication.
+plugin.kafka.producer_config_json=${SW_PLUGIN_KAFKA_PRODUCER_CONFIG_JSON:}
+#  Specify which Kafka topic name for Meter System data to report to.
+plugin.kafka.topic_meter=${SW_PLUGIN_KAFKA_TOPIC_METER:skywalking-meters}
+#  Specify which Kafka topic name for JVM metrics data to report to. 
+plugin.kafka.topic_metrics=${SW_PLUGIN_KAFKA_TOPIC_METRICS:skywalking-metrics}
+#  Specify which Kafka topic name for traces data to report to. 
+plugin.kafka.topic_segment=${SW_PLUGIN_KAFKA_TOPIC_SEGMENT:skywalking-segments}
+#  Specify which Kafka topic name for Thread Profiling snapshot to report to. 
+plugin.kafka.topic_profiling=${SW_PLUGIN_KAFKA_TOPIC_PROFILINGS:skywalking-profilings}
+#  Specify which Kafka topic name for the register or heartbeat data of Service Instance to report to. 
+plugin.kafka.topic_management=${SW_PLUGIN_KAFKA_TOPIC_MANAGEMENT:skywalking-managements}
+# Specify which Kafka topic name for the logging data to report to.
+plugin.kafka.topic_logging=${SW_PLUGIN_KAFKA_TOPIC_LOGGING:skywalking-logs}
+#  isolate multi OAP server when using same Kafka cluster (final topic name will append namespace before Kafka topics with `-` ).
+plugin.kafka.namespace=${SW_KAFKA_NAMESPACE:}
+#   Match spring beans with regular expression for the class name. Multiple expressions could be separated by a comma. This only works when `Spring annotation plugin` has been activated. 
+plugin.springannotation.classname_match_regex=${SW_SPRINGANNOTATION_CLASSNAME_MATCH_REGEX:}
+#  Whether or not to transmit logged data as formatted or un-formatted. 
+plugin.toolkit.log.transmit_formatted=${SW_PLUGIN_TOOLKIT_LOG_TRANSMIT_FORMATTED:true}
+#  If set to true, the parameters of Redis commands would be collected by Lettuce agent.
+plugin.lettuce.trace_redis_parameters=${SW_PLUGIN_LETTUCE_TRACE_REDIS_PARAMETERS:false}
+#  If set to positive number and `plugin.lettuce.trace_redis_parameters` is set to `true`, Redis command parameters would be collected and truncated to this length.
+plugin.lettuce.redis_parameter_max_length=${SW_PLUGIN_LETTUCE_REDIS_PARAMETER_MAX_LENGTH:128}
+# If set to true, the parameters of the cypher would be collected.
+plugin.neo4j.trace_cypher_parameters=${SW_PLUGIN_NEO4J_TRACE_CYPHER_PARAMETERS:false}
+# If set to positive number, the `db.cypher.parameters` would be truncated to this length, otherwise it would be completely saved, which may cause performance problem.
+plugin.neo4j.cypher_parameters_max_length=${SW_PLUGIN_NEO4J_CYPHER_PARAMETERS_MAX_LENGTH:512}
+# If set to positive number, the `db.statement` would be truncated to this length, otherwise it would be completely saved, which may cause performance problem.
+plugin.neo4j.cypher_body_max_length=${SW_PLUGIN_NEO4J_CYPHER_BODY_MAX_LENGTH:2048}

docs/skywalking-agent/licenses/LICENSE-asm.txt

+Copyright (c) 2012 France Télécom
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. Neither the name of the copyright holders nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+THE POSSIBILITY OF SUCH DAMAGE.