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  <text x="60" y="112" font-family="Arial, 'Microsoft YaHei', sans-serif" font-size="18" fill="#475569">限流控制入口流量，熔断保护异常依赖和调用链路</text>
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    <text x="325" y="335" text-anchor="middle" font-size="20" fill="#0e7490">限制单位时间请求量</text>
    <text x="325" y="378" text-anchor="middle" font-size="18" fill="#0e7490">防止入口流量过载</text>
    <text x="325" y="421" text-anchor="middle" font-size="18" fill="#0e7490">常用于网关、接口、租户维度</text>
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    <text x="875" y="280" text-anchor="middle" font-size="30" font-weight="700" fill="#991b1b">熔断</text>
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