perl做网站,温州网站公司,wordpress怎么去掉主题的搜索框,wordpress captcha#x1f525; JVM 调优全流程案例#xff1a;从频繁 Full GC 到百万 QPS 的实战蜕变 文章目录#x1f525; JVM 调优全流程案例#xff1a;从频繁 Full GC 到百万 QPS 的实战蜕变#x1f9e9; 一、调优本质#xff1a;性能瓶颈的破局之道#x1f4a1; 为什么JVM调优如此… JVM 调优全流程案例从频繁 Full GC 到百万 QPS 的实战蜕变 文章目录 JVM 调优全流程案例从频繁 Full GC 到百万 QPS 的实战蜕变 一、调优本质性能瓶颈的破局之道 为什么JVM调优如此关键 二、调优前现状数据揭示的性能困局⚠️ 基线监控数据生产环境 问题根因诊断 三、调优策略科学决策的三维模型 调优决策矩阵 参数选型对比表⚙️ 四、调优实战三步优化法 第一步GC策略优化Parallel → G1 第二步堆结构优化增大Eden区⚡ 第三步线程池优化降低锁竞争 五、效果对比数据驱动的性能蜕变 性能指标对比 监控图表对比 六、最佳实践调优智慧的结晶 调优黄金流程 参数模板推荐️ 监控预警体系一、调优本质性能瓶颈的破局之道 为什么JVM调优如此关键
在分布式系统架构中JVM 作为应用运行的基石其性能直接影响 系统吞吐量QPS/TPS⏱️ 请求响应时间P99/P95 资源利用率CPU/内存️系统稳定性GC停顿时间
#mermaid-svg-PhTtGemOriNtbRrd {font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-PhTtGemOriNtbRrd .error-icon{fill:#552222;}#mermaid-svg-PhTtGemOriNtbRrd .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-PhTtGemOriNtbRrd .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-PhTtGemOriNtbRrd .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-PhTtGemOriNtbRrd .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-PhTtGemOriNtbRrd .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-PhTtGemOriNtbRrd .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-PhTtGemOriNtbRrd .marker{fill:#333333;stroke:#333333;}#mermaid-svg-PhTtGemOriNtbRrd .marker.cross{stroke:#333333;}#mermaid-svg-PhTtGemOriNtbRrd svg{font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-PhTtGemOriNtbRrd .label{font-family:"trebuchet ms",verdana,arial,sans-serif;color:#333;}#mermaid-svg-PhTtGemOriNtbRrd .cluster-label text{fill:#333;}#mermaid-svg-PhTtGemOriNtbRrd .cluster-label span{color:#333;}#mermaid-svg-PhTtGemOriNtbRrd .label text,#mermaid-svg-PhTtGemOriNtbRrd span{fill:#333;color:#333;}#mermaid-svg-PhTtGemOriNtbRrd .node rect,#mermaid-svg-PhTtGemOriNtbRrd .node circle,#mermaid-svg-PhTtGemOriNtbRrd .node ellipse,#mermaid-svg-PhTtGemOriNtbRrd .node polygon,#mermaid-svg-PhTtGemOriNtbRrd .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-PhTtGemOriNtbRrd .node .label{text-align:center;}#mermaid-svg-PhTtGemOriNtbRrd .node.clickable{cursor:pointer;}#mermaid-svg-PhTtGemOriNtbRrd .arrowheadPath{fill:#333333;}#mermaid-svg-PhTtGemOriNtbRrd .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-PhTtGemOriNtbRrd .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-PhTtGemOriNtbRrd .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-PhTtGemOriNtbRrd .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-PhTtGemOriNtbRrd .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-PhTtGemOriNtbRrd .cluster text{fill:#333;}#mermaid-svg-PhTtGemOriNtbRrd .cluster span{color:#333;}#mermaid-svg-PhTtGemOriNtbRrd div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-PhTtGemOriNtbRrd :root{--mermaid-font-family:"trebuchet ms",verdana,arial,sans-serif;}JVM性能系统吞吐量响应延迟资源成本用户体验调优核心目标
✅ 提升吞吐量 30%✅ 降低P99延迟 50%✅ 减少GC停顿 90%✅ 优化资源利用率 40% 二、调优前现状数据揭示的性能困局
⚠️ 基线监控数据生产环境
指标数值健康阈值风险等级QPS5,00020,000⚠️⚠️⚠️P99响应时间450ms100ms⚠️⚠️⚠️Full GC频率43次/小时1次/小时⚠️⚠️⚠️Young GC频率120次/分钟50次/分钟⚠️⚠️CPU使用率85%70%⚠️⚠️问题根因诊断
#mermaid-svg-pU2EqpMKfpIIHcLr {font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-pU2EqpMKfpIIHcLr .error-icon{fill:#552222;}#mermaid-svg-pU2EqpMKfpIIHcLr .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-pU2EqpMKfpIIHcLr .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-pU2EqpMKfpIIHcLr .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-pU2EqpMKfpIIHcLr .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-pU2EqpMKfpIIHcLr .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-pU2EqpMKfpIIHcLr .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-pU2EqpMKfpIIHcLr .marker{fill:#333333;stroke:#333333;}#mermaid-svg-pU2EqpMKfpIIHcLr .marker.cross{stroke:#333333;}#mermaid-svg-pU2EqpMKfpIIHcLr svg{font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-pU2EqpMKfpIIHcLr .label{font-family:"trebuchet ms",verdana,arial,sans-serif;color:#333;}#mermaid-svg-pU2EqpMKfpIIHcLr .cluster-label text{fill:#333;}#mermaid-svg-pU2EqpMKfpIIHcLr .cluster-label span{color:#333;}#mermaid-svg-pU2EqpMKfpIIHcLr .label text,#mermaid-svg-pU2EqpMKfpIIHcLr span{fill:#333;color:#333;}#mermaid-svg-pU2EqpMKfpIIHcLr .node rect,#mermaid-svg-pU2EqpMKfpIIHcLr .node circle,#mermaid-svg-pU2EqpMKfpIIHcLr .node ellipse,#mermaid-svg-pU2EqpMKfpIIHcLr .node polygon,#mermaid-svg-pU2EqpMKfpIIHcLr .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-pU2EqpMKfpIIHcLr .node .label{text-align:center;}#mermaid-svg-pU2EqpMKfpIIHcLr .node.clickable{cursor:pointer;}#mermaid-svg-pU2EqpMKfpIIHcLr .arrowheadPath{fill:#333333;}#mermaid-svg-pU2EqpMKfpIIHcLr .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-pU2EqpMKfpIIHcLr .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-pU2EqpMKfpIIHcLr .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-pU2EqpMKfpIIHcLr .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-pU2EqpMKfpIIHcLr .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-pU2EqpMKfpIIHcLr .cluster text{fill:#333;}#mermaid-svg-pU2EqpMKfpIIHcLr .cluster span{color:#333;}#mermaid-svg-pU2EqpMKfpIIHcLr div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-pU2EqpMKfpIIHcLr :root{--mermaid-font-family:"trebuchet ms",verdana,arial,sans-serif;}Full GC频繁线程阻塞请求堆积响应延迟内存碎片分配失败关键证据链
GC日志Full GC耗时850ms老年代回收效率为0 线程Dump30%线程BLOCKED在全局锁堆分析大对象直接进入老年代 三、调优策略科学决策的三维模型 调优决策矩阵
#mermaid-svg-D2moXR7FhD5t2vad {font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-D2moXR7FhD5t2vad .error-icon{fill:#552222;}#mermaid-svg-D2moXR7FhD5t2vad .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-D2moXR7FhD5t2vad .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-D2moXR7FhD5t2vad .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-D2moXR7FhD5t2vad .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-D2moXR7FhD5t2vad .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-D2moXR7FhD5t2vad .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-D2moXR7FhD5t2vad .marker{fill:#333333;stroke:#333333;}#mermaid-svg-D2moXR7FhD5t2vad .marker.cross{stroke:#333333;}#mermaid-svg-D2moXR7FhD5t2vad svg{font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-D2moXR7FhD5t2vad .label{font-family:"trebuchet ms",verdana,arial,sans-serif;color:#333;}#mermaid-svg-D2moXR7FhD5t2vad .cluster-label text{fill:#333;}#mermaid-svg-D2moXR7FhD5t2vad .cluster-label span{color:#333;}#mermaid-svg-D2moXR7FhD5t2vad .label text,#mermaid-svg-D2moXR7FhD5t2vad span{fill:#333;color:#333;}#mermaid-svg-D2moXR7FhD5t2vad .node rect,#mermaid-svg-D2moXR7FhD5t2vad .node circle,#mermaid-svg-D2moXR7FhD5t2vad .node ellipse,#mermaid-svg-D2moXR7FhD5t2vad .node polygon,#mermaid-svg-D2moXR7FhD5t2vad .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-D2moXR7FhD5t2vad .node .label{text-align:center;}#mermaid-svg-D2moXR7FhD5t2vad .node.clickable{cursor:pointer;}#mermaid-svg-D2moXR7FhD5t2vad .arrowheadPath{fill:#333333;}#mermaid-svg-D2moXR7FhD5t2vad .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-D2moXR7FhD5t2vad .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-D2moXR7FhD5t2vad .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-D2moXR7FhD5t2vad .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-D2moXR7FhD5t2vad .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-D2moXR7FhD5t2vad .cluster text{fill:#333;}#mermaid-svg-D2moXR7FhD5t2vad .cluster span{color:#333;}#mermaid-svg-D2moXR7FhD5t2vad div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-D2moXR7FhD5t2vad :root{--mermaid-font-family:"trebuchet ms",verdana,arial,sans-serif;}问题优化维度内存模型GC策略线程模型堆结构优化降低停顿减少锁竞争参数选型对比表
参数原配置新配置选型依据GC收集器ParallelG1低停顿需求堆大小-Xmx4g-Xmx8g减少GC频率年轻代比例NewRatio2NewRatio1增大Eden区线程池核心数20050匹配CPU核心数元空间默认-XX:MaxMetaspaceSize256m防泄漏
⚙️ 四、调优实战三步优化法 第一步GC策略优化Parallel → G1
核心参数
-XX:UseG1GC
-XX:MaxGCPauseMillis200 # 目标停顿200ms
-XX:InitiatingHeapOccupancyPercent45 # 提前触发GC效果验证
# 调优后GC日志
[GC pause (G1 Evacuation Pause) (young), 0.023 secs][Eden: 1024M-0B Survivors: 100M-100M Heap: 3.2G-2.1G]改进
Full GC 从 43次/小时 → 5次/小时
GC停顿从 850ms → 23ms 第二步堆结构优化增大Eden区
参数调整
-XX:G1NewSizePercent40 # 最小年轻代占比
-XX:G1MaxNewSizePercent60 # 最大年轻代占比
-XX:G1HeapRegionSize8m # Region大小内存布局变化
#mermaid-svg-XUcRxTxmhOyYItlj {font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-XUcRxTxmhOyYItlj .error-icon{fill:#552222;}#mermaid-svg-XUcRxTxmhOyYItlj .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-XUcRxTxmhOyYItlj .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-XUcRxTxmhOyYItlj .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-XUcRxTxmhOyYItlj .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-XUcRxTxmhOyYItlj .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-XUcRxTxmhOyYItlj .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-XUcRxTxmhOyYItlj .marker{fill:#333333;stroke:#333333;}#mermaid-svg-XUcRxTxmhOyYItlj .marker.cross{stroke:#333333;}#mermaid-svg-XUcRxTxmhOyYItlj svg{font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-XUcRxTxmhOyYItlj .pieCircle{stroke:black;stroke-width:2px;opacity:0.7;}#mermaid-svg-XUcRxTxmhOyYItlj .pieTitleText{text-anchor:middle;font-size:25px;fill:black;font-family:"trebuchet ms",verdana,arial,sans-serif;}#mermaid-svg-XUcRxTxmhOyYItlj .slice{font-family:"trebuchet ms",verdana,arial,sans-serif;fill:#333;font-size:17px;}#mermaid-svg-XUcRxTxmhOyYItlj .legend text{fill:black;font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:17px;}#mermaid-svg-XUcRxTxmhOyYItlj :root{--mermaid-font-family:"trebuchet ms",verdana,arial,sans-serif;}40%50%10%堆内存分配优化老年代Eden区Survivor效果
Young GC 频率从 120次/分钟 → 40次/分钟
⚡ 第三步线程池优化降低锁竞争
错误配置
// 原配置线程数过多
ExecutorService pool Executors.newFixedThreadPool(200);优化方案
// 1. 匹配CPU核心数
int coreSize Runtime.getRuntime().availableProcessors() * 2;// 2. 使用有界队列
new ThreadPoolExecutor(coreSize, coreSize * 2, 60, TimeUnit.SECONDS,new ArrayBlockingQueue(1000),new NamedThreadFactory(pay-pool),new CallerRunsPolicy()
);// 3. 拆分全局锁
// 原synchronized (globalLock)
// 新ConcurrentHashMap分段锁五、效果对比数据驱动的性能蜕变 性能指标对比
指标调优前调优后提升QPS5,00022,0004.4倍P99响应时间450ms68ms85%Full GC频率43次/小时0.5次/小时86倍CPU使用率85%65%23%Young GC频率120次/分钟40次/分钟67%监控图表对比
GC停顿时间变化
GC类型调优前(ms)调优后(ms)降低幅度Full GC8500100%Young GC15566.7%
吞吐量提升曲线
时间点调优前(QPS)调优后(QPS)提升幅度05,0005,0000%14,80015,000212.5%24,50020,000344.4%34,00022,000450%六、最佳实践调优智慧的结晶 调优黄金流程
#mermaid-svg-iTS4z18q7bNFVhNc {font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-iTS4z18q7bNFVhNc .error-icon{fill:#552222;}#mermaid-svg-iTS4z18q7bNFVhNc .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-iTS4z18q7bNFVhNc .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-iTS4z18q7bNFVhNc .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-iTS4z18q7bNFVhNc .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-iTS4z18q7bNFVhNc .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-iTS4z18q7bNFVhNc .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-iTS4z18q7bNFVhNc .marker{fill:#333333;stroke:#333333;}#mermaid-svg-iTS4z18q7bNFVhNc .marker.cross{stroke:#333333;}#mermaid-svg-iTS4z18q7bNFVhNc svg{font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-iTS4z18q7bNFVhNc .label{font-family:"trebuchet ms",verdana,arial,sans-serif;color:#333;}#mermaid-svg-iTS4z18q7bNFVhNc .cluster-label text{fill:#333;}#mermaid-svg-iTS4z18q7bNFVhNc .cluster-label span{color:#333;}#mermaid-svg-iTS4z18q7bNFVhNc .label text,#mermaid-svg-iTS4z18q7bNFVhNc span{fill:#333;color:#333;}#mermaid-svg-iTS4z18q7bNFVhNc .node rect,#mermaid-svg-iTS4z18q7bNFVhNc .node circle,#mermaid-svg-iTS4z18q7bNFVhNc .node ellipse,#mermaid-svg-iTS4z18q7bNFVhNc .node polygon,#mermaid-svg-iTS4z18q7bNFVhNc .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-iTS4z18q7bNFVhNc .node .label{text-align:center;}#mermaid-svg-iTS4z18q7bNFVhNc .node.clickable{cursor:pointer;}#mermaid-svg-iTS4z18q7bNFVhNc .arrowheadPath{fill:#333333;}#mermaid-svg-iTS4z18q7bNFVhNc .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-iTS4z18q7bNFVhNc .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-iTS4z18q7bNFVhNc .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-iTS4z18q7bNFVhNc .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-iTS4z18q7bNFVhNc .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-iTS4z18q7bNFVhNc .cluster text{fill:#333;}#mermaid-svg-iTS4z18q7bNFVhNc .cluster span{color:#333;}#mermaid-svg-iTS4z18q7bNFVhNc div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-iTS4z18q7bNFVhNc :root{--mermaid-font-family:"trebuchet ms",verdana,arial,sans-serif;}监控报警日志分析根因定位参数调整灰度验证全量上线参数模板推荐
高吞吐场景
-XX:UseParallelGC
-Xmx8g -Xms8g
-XX:NewRatio1
-XX:ParallelGCThreadsCPU核心数低延迟场景
-XX:UseG1GC
-XX:MaxGCPauseMillis200
-XX:G1NewSizePercent40
-XX:G1MaxNewSizePercent60️ 监控预警体系
#mermaid-svg-1r6no4c411I6hRvs {font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-1r6no4c411I6hRvs .error-icon{fill:#552222;}#mermaid-svg-1r6no4c411I6hRvs .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-1r6no4c411I6hRvs .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-1r6no4c411I6hRvs .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-1r6no4c411I6hRvs .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-1r6no4c411I6hRvs .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-1r6no4c411I6hRvs .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-1r6no4c411I6hRvs .marker{fill:#333333;stroke:#333333;}#mermaid-svg-1r6no4c411I6hRvs .marker.cross{stroke:#333333;}#mermaid-svg-1r6no4c411I6hRvs svg{font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-1r6no4c411I6hRvs .label{font-family:"trebuchet ms",verdana,arial,sans-serif;color:#333;}#mermaid-svg-1r6no4c411I6hRvs .cluster-label text{fill:#333;}#mermaid-svg-1r6no4c411I6hRvs .cluster-label span{color:#333;}#mermaid-svg-1r6no4c411I6hRvs .label text,#mermaid-svg-1r6no4c411I6hRvs span{fill:#333;color:#333;}#mermaid-svg-1r6no4c411I6hRvs .node rect,#mermaid-svg-1r6no4c411I6hRvs .node circle,#mermaid-svg-1r6no4c411I6hRvs .node ellipse,#mermaid-svg-1r6no4c411I6hRvs .node polygon,#mermaid-svg-1r6no4c411I6hRvs .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-1r6no4c411I6hRvs .node .label{text-align:center;}#mermaid-svg-1r6no4c411I6hRvs .node.clickable{cursor:pointer;}#mermaid-svg-1r6no4c411I6hRvs .arrowheadPath{fill:#333333;}#mermaid-svg-1r6no4c411I6hRvs .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-1r6no4c411I6hRvs .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-1r6no4c411I6hRvs .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-1r6no4c411I6hRvs .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-1r6no4c411I6hRvs .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-1r6no4c411I6hRvs .cluster text{fill:#333;}#mermaid-svg-1r6no4c411I6hRvs .cluster span{color:#333;}#mermaid-svg-1r6no4c411I6hRvs div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-1r6no4c411I6hRvs :root{--mermaid-font-family:"trebuchet ms",verdana,arial,sans-serif;}应用JMX ExporterPrometheusGrafana告警规则核心监控项 Full GC频率 1次/小时 Young GC频率 50次/分钟⏱️ P99响应时间 100ms 堆使用率80% 记住真正的调优高手是能用数据讲好性能故事的人
