{"id":33400,"date":"2025-04-27T11:23:23","date_gmt":"2025-04-27T03:23:23","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/33400.html"},"modified":"2025-04-27T11:23:23","modified_gmt":"2025-04-27T03:23:23","slug":"%e3%80%90%e6%98%9f%e6%b5%b7%e5%87%ba%e5%93%81%e3%80%91%e5%88%86%e5%b8%83%e5%bc%8f%e5%ad%98%e5%82%a8%e6%95%b0%e6%8d%ae%e5%ba%93etcd","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/33400.html","title":{"rendered":"\u3010\u661f\u6d77\u51fa\u54c1\u3011\u5206\u5e03\u5f0f\u5b58\u50a8\u6570\u636e\u5e93etcd"},"content":{"rendered":"

etcd \u6570\u636e\u5e93\u7531 CoreOS \u516c\u53f8\u521b\u5efa\u3002<\/h2>\n

https:\/\/github.com\/etcd-io\/etcd<\/p>\n

api\u4fe1\u606f https:\/\/etcd.io\/docs\/v3.5\/dev-guide\/api_reference_v3\/ etcdctl –help<\/p>\n

etcd \u6700\u521d\u7531 CoreOS \u516c\u53f8\u5f00\u53d1，\u4f5c\u4e3a\u5176\u6838\u5fc3\u9879\u76ee\u4e4b\u4e00\u3002 CoreOS \u6210\u7acb\u4e8e 2013 \u5e74，\u4e13\u6ce8\u4e8e\u5bb9\u5668\u5316\u6280\u672f（\u5982 Linux \u5bb9\u5668\u3001rkt \u5bb9\u5668\u8fd0\u884c\u65f6）\u548c\u5206\u5e03\u5f0f\u7cfb\u7edf\u57fa\u7840\u8bbe\u65bd\u3002<\/p>\n

2018 \u5e74，CoreOS \u88ab Red Hat \u6536\u8d2d（\u540e Red Hat \u53c8\u5e76\u5165 IBM）<\/p>\n

\u8f7b\u91cf\u7ea7\u3001\u9ad8\u53ef\u7528\u7684\u952e\u503c\u5b58\u50a8，\u7528\u4e8e\u5b58\u50a8\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u5173\u952e\u5143\u6570\u636e（\u5982\u670d\u52a1\u53d1\u73b0\u3001\u914d\u7f6e\u7ba1\u7406）\u3002<\/p>\n

\u5177\u6709\u5f3a\u4e00\u81f4\u6027\u3001\u9ad8\u53ef\u9760\u6027\u548c\u6613\u7528\u6027\u3002<\/h5>\n

ETCD \u662f\u4e00\u4e2a\u9ad8\u53ef\u7528\u7684\u5206\u5e03\u5f0f\u952e\u503ckey-value\u6570\u636e\u5e93，\u53ef\u7528\u4e8e\u670d\u52a1\u53d1\u73b0\u3002<\/p>\n

etcd \u5b58\u50a8\u4e86 K8s \u96c6\u7fa4\u7684\u6240\u6709\u72b6\u6001（\u5982 Pod \u5b9a\u4e49\u3001Service \u914d\u7f6e\u3001\u8282\u70b9\u4fe1\u606f），\u662f\u63a7\u5236\u5e73\u9762\u7684\u201c\u5927\u8111\u201d\u3002 \u57fa\u4e8e Raft \u5171\u8bc6\u7b97\u6cd5，\u63d0\u4f9b\u5f3a\u4e00\u81f4\u6027\u3001\u9ad8\u53ef\u7528\u6027，\u652f\u6301 watch \u673a\u5236\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u3002<\/p>\n

K8S API \u670d\u52a1\u5668\u63a5\u6536\u5230\u8bf7\u6c42\u540e，\u4f1a\u9a8c\u8bc1\u8bf7\u6c42\u683c\u5f0f\u548c\u5185\u5bb9\u3002\u901a\u8fc7\u9a8c\u8bc1\u7684\u8bf7\u6c42\u4f1a\u88ab\u5b58\u50a8\u5230 etcd（Kubernetes \u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93）\u4e2d\u3002 \u5bf9\u8c61\u521b\u5efa：\u4e00\u65e6\u5b58\u50a8\u5728 etcd \u4e2d，Pod \u5c31\u88ab\u6b63\u5f0f\u521b\u5efa，\u6807\u8bb0\u4e3a Pending \u72b6\u6001\u3002<\/p>\n

Raft \u7b97\u6cd5<\/h3>\n

https:\/\/www.youtube.com\/watch?v=YbZ3zDzDnrw&feature=youtu.be<\/p>\n

\u89d2\u8272 Leader\u9009\u4e3e（Leader election） \u65e5\u5fd7\u590d\u5236（Log replication） \u5b89\u5168\u6027（Safety） \u65e5\u5fd7\u538b\u7f29（Log compaction）<\/p>\n

Raft\u5c06\u7cfb\u7edf\u4e2d\u7684\u89d2\u8272\u5206\u4e3a\u9886\u5bfc\u8005（Leader）\u3001\u8ddf\u4ece\u8005（Follower）\u548c\u5019\u9009\u8005（Candidate）<\/p>\n

Leader：\u63a5\u53d7\u5ba2\u6237\u7aef\u8bf7\u6c42，\u5e76\u5411Follower\u540c\u6b65\u8bf7\u6c42\u65e5\u5fd7，\u5f53\u65e5\u5fd7\u540c\u6b65\u5230\u5927\u591a\u6570\u8282\u70b9\u4e0a\u540e\u544a\u8bc9Follower\u63d0\u4ea4\u65e5\u5fd7\u3002 Follower：\u63a5\u53d7\u5e76\u6301\u4e45\u5316Leader\u540c\u6b65\u7684\u65e5\u5fd7，\u5728Leader\u544a\u4e4b\u65e5\u5fd7\u53ef\u4ee5\u63d0\u4ea4\u4e4b\u540e，\u63d0\u4ea4\u65e5\u5fd7\u3002 Candidate：Leader\u9009\u4e3e\u8fc7\u7a0b\u4e2d\u7684\u4e34\u65f6\u89d2\u8272\u3002<\/p>\n

Raft \u4efb\u610f\u65f6\u523b\u6700\u591a\u53ea\u6709\u4e00\u4e2aLeader，\u6b63\u5e38\u5de5\u4f5c\u671f\u95f4\u53ea\u6709Leader\u548cFollowers\u3002 Raft\u7b97\u6cd5\u5c06\u65f6\u95f4\u5206\u4e3a\u4e00\u4e2a\u4e2a\u7684\u5468\u671f（term） \u9009\u4e3eLeader\u4e4b\u540e，Leader\u4f1a\u5728\u6574\u4e2a\u5468\u671f\u5185\u7ba1\u7406\u6574\u4e2a\u96c6\u7fa4 \u5982\u679cLeader\u9009\u4e3e\u5931\u8d25，\u8be5term\u5c31\u4f1a\u56e0\u4e3a\u6ca1\u6709Leader\u800c\u7ed3\u675f\u3002 \u6ca1\u6709\u670d\u52a1\u5668\u8d62\u5f97\u591a\u6570\u7684\u9009\u7968，Leader\u9009\u4e3e\u5931\u8d25，\u7b49\u5f85\u9009\u4e3e\u65f6\u95f4\u8d85\u65f6\u540e\u53d1\u8d77\u4e0b\u4e00\u6b21\u9009\u4e3e\u3002<\/p>\n

leader\u4f1a\u5b9a\u671f\u53d1\u9001\u5fc3\u8df3，\u6839\u636e\u552f\u4e00Term\u6807\u8bc6\u8fdb\u884c\u901a\u4fe1 \u9009\u4e3e\u8d85\u65f6\u968f\u673a\u5316：\u8282\u70b9\u5728\u8d85\u65f6\u65f6\u95f4\u5185\u672a\u6536\u5230leader\u5fc3\u8df3\u4f1a\u53d1\u8d77\u9009\u4e3e，\u4f46\u8d85\u65f6\u65f6\u95f4\u968f\u673a\u5316（\u5982150ms-300ms），\u786e\u4fdd\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\u7387\u5148\u53d1\u8d77\u9009\u4e3e\u3002<\/p>\n

Follower\u5c06\u5176\u5f53\u524dterm\u52a0\u4e00\u7136\u540e\u8f6c\u6362\u4e3aCandidate\u3002 \u5b83\u9996\u5148\u7ed9\u81ea\u5df1\u6295\u7968\u5e76\u4e14\u7ed9\u96c6\u7fa4\u4e2d\u7684\u5176\u4ed6\u670d\u52a1\u5668\u53d1\u9001 RequestVote RPC\u3002<\/p>\n

\u5f53\u65e7leader\u6062\u590d\u65f6，\u5b83\u4f1a\u53d1\u73b0\u5f53\u524dTerm\u5df2\u8d85\u8fc7\u81ea\u5df1\u7684Term，\u7acb\u5373\u5207\u6362\u4e3aFollower\u72b6\u6001，\u5e76\u63a5\u53d7\u65b0leader\u7684\u65e5\u5fd7\u3002 \u5982\u679c\u65e7leader\u5728\u5931\u8054\u671f\u95f4\u63d0\u4ea4\u4e86\u90e8\u5206\u65e5\u5fd7，\u65b0leader\u4f1a\u901a\u8fc7\u65e5\u5fd7\u590d\u5236\u673a\u5236（AppendEntries RPC）\u5f3a\u5236\u65e7leader\u56de\u9000\u51b2\u7a81\u65e5\u5fd7，\u786e\u4fdd\u5168\u5c40\u4e00\u81f4\u6027\u3002<\/p>\n

\u65e5\u5fd7\u51b2\u7a81\u5904\u7406：\u5982\u679c\u65e7leader\u5728\u5931\u8054\u671f\u95f4\u63d0\u4ea4\u4e86\u90e8\u5206\u65e5\u5fd7，\u65b0leader\u4f1a\u901a\u8fc7\u65e5\u5fd7\u590d\u5236\u673a\u5236（AppendEntries RPC）\u5f3a\u5236\u65e7leader\u56de\u9000\u51b2\u7a81\u65e5\u5fd7，\u786e\u4fdd\u5168\u5c40\u4e00\u81f4\u6027\u3002<\/p>\n

Raft\u8981\u6c42leader\u5fc5\u987b\u83b7\u5f97\u8d85\u8fc7\u534a\u6570\u7684\u8282\u70b9\u786e\u8ba4（quorum）\u624d\u80fd\u63d0\u4ea4\u65e5\u5fd7\u3002\u5373\u4f7f\u7f51\u7edc\u5206\u533a\u5bfc\u81f4\u90e8\u5206\u8282\u70b9\u9694\u79bb，\u53ea\u6709\u62e5\u6709\u591a\u6570\u8282\u70b9\u7684\u5206\u533a\u80fd\u9009\u4e3e\u65b0leader，\u53e6\u4e00\u5206\u533a\u65e0\u6cd5\u5f62\u6210\u6709\u6548\u9009\u4e3e\u3002<\/p>\n

Raft\u4fdd\u8bc1\u65b0leader\u4e00\u5b9a\u5305\u542b\u6240\u6709\u5df2\u63d0\u4ea4\u7684\u65e5\u5fd7（\u901a\u8fc7RequestVote\u9636\u6bb5\u7684\u65e5\u5fd7\u5b8c\u6574\u6027\u68c0\u67e5），\u907f\u514d\u65e5\u5fd7\u5206\u53c9\u3002<\/p>\n

\u5982\u679cleader\u7a81\u7136\u5d29\u6e83\u5bfc\u81f4\u7f3a\u5c11\u4e86\u4e00\u6761followers\u7684\u6761\u76ee,\u5219Leader\u4e3a\u4e86\u4f7fFollowers\u7684\u65e5\u5fd7\u540c\u81ea\u5df1\u7684\u4e00\u81f4，Leader\u9700\u8981\u627e\u5230Followers\u540c\u5b83\u7684\u65e5\u5fd7\u4e00\u81f4\u7684\u5730\u65b9，\u7136\u540e\u8986\u76d6Followers\u5728\u8be5\u4f4d\u7f6e\u4e4b\u540e\u7684\u6761\u76ee\u3002 \u5f53 leader \u548c follower \u65e5\u5fd7\u51b2\u7a81\u7684\u65f6\u5019，leader \u5c06\u6821\u9a8c follower \u6700\u540e\u4e00\u6761\u65e5\u5fd7\u662f\u5426\u548c leader \u5339\u914d，\u5982\u679c\u4e0d\u5339\u914d，\u5c06\u9012\u51cf\u67e5\u8be2，\u76f4\u5230\u5339\u914d，\u5339\u914d\u540e，\u5220\u9664\u51b2\u7a81\u7684\u65e5\u5fd7\u3002\u8fd9\u6837\u5c31\u5b9e\u73b0\u4e86\u4e3b\u4ece\u65e5\u5fd7\u7684\u4e00\u81f4\u6027\u3002 Leader\u4f1a\u901a\u8fc7RPC\u5411follower\u53d1\u51fa\u65e5\u5fd7\u590d\u5236，\u7b49\u5f85\u6240\u6709\u7684follower\u590d\u5236\u5b8c\u6210，\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u963b\u585e\u7684\u3002 \u8001\u7684leader\u91cc\u9762\u6ca1\u63d0\u4ea4\u7684\u6570\u636e\u4f1a\u56de\u6eda，\u7136\u540e\u540c\u6b65\u65b0leader\u7684\u6570\u636e\u3002<\/p>\n

\u6301\u4e45\u5316<\/h5>\n

etcd \u901a\u8fc7 WAL + Snapshot \u7684\u7ec4\u5408 \u65e5\u5fd7\u4f1a\u5b9a\u671f\u538b\u7f29，\u5e26\u6709\u5feb\u7167\u529f\u80fd Leader \u8282\u70b9\u4f1a\u4fdd\u7559\u6240\u6709\u672a\u63d0\u4ea4\u7684\u65e5\u5fd7\u6761\u76ee，\u4f46\u5df2\u63d0\u4ea4\u7684\u65e5\u5fd7\u4f1a\u5728\u4ee5\u4e0b\u6761\u4ef6\u89e6\u53d1\u538b\u7f29<\/p>\n

\u5df2\u63a5\u653610000\u6761\u65e5\u5fd7\u6761\u76ee，\u6216\u8005\u8d85\u8fc75\u5206\u949f<\/p>\n

\u65e5\u5fd7\u4fdd\u7559\u7b56\u7565：\u5feb\u7167\u751f\u6210\u540e，\u6240\u6709\u65e9\u4e8e\u8be5\u5feb\u7167\u7684\u65e5\u5fd7\u4f1a\u88ab\u6807\u8bb0\u4e3a\u53ef\u5220\u9664\u3002<\/p>\n

\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684kubelet\u5b9a\u671f\u5411API Server\u4e0a\u62a5\u8282\u70b9\u72b6\u6001（\u5982CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u4f7f\u7528\u60c5\u51b5），API Server\u5c06\u8fd9\u4e9b\u4fe1\u606f\u5199\u5165etcd\u3002 \u5f53\u521b\u5efaPod\u65f6，API Server\u5c06Pod\u7684\u5143\u6570\u636e（\u5982\u540d\u79f0\u3001\u6807\u7b7e\u3001\u5bb9\u5668\u955c\u50cf\u7b49）\u5199\u5165etcd\u3002<\/p>\n

\u8c03\u5ea6\u5668\u4eceetcd\u8bfb\u53d6\u8282\u70b9\u72b6\u6001\u548cPod\u5143\u6570\u636e，\u57fa\u4e8e\u7b97\u6cd5（\u5982\u8d44\u6e90\u5339\u914d\u3001\u4eb2\u548c\u6027\u89c4\u5219）\u9009\u62e9\u6700\u4f73\u8282\u70b9，\u5e76\u5c06\u8c03\u5ea6\u7ed3\u679c\u5199\u56deetcd\u3002<\/p>\n

etcd\u4f7f\u7528Raft\u7b97\u6cd5\u4fdd\u8bc1\u5f3a\u4e00\u81f4\u6027，\u786e\u4fdd\u6240\u6709\u8282\u70b9\u770b\u5230\u7684\u6570\u636e\u89c6\u56fe\u4e00\u81f4\u3002\u8fd9\u5bf9\u8c03\u5ea6\u5668\u7684\u51b3\u7b56\u81f3\u5173\u91cd\u8981，\u907f\u514d\u201c\u88c2\u8111\u201d\u95ee\u9898\u3002<\/p>\n

etcd\u901a\u8fc7\u591a\u7248\u672c\u63a7\u5236\u7cfb\u7edf（MVCC）\u4fdd\u5b58\u952e\u503c\u7684\u6240\u6709\u5386\u53f2\u53d8\u66f4 \u9ed8\u8ba4\u4fdd\u7559\u6700\u8fd11000\u4e2a\u7248\u672c，\u65e7\u7248\u672c\u4f1a\u88ab\u5408\u5e76\u5230\u5386\u53f2\u6587\u4ef6\u3002 MVCC\u7248\u672c\u53f7\u9012\u589e：\u6bcf\u6b21\u4fee\u6539\u64cd\u4f5c（\u5982 PUT\u3001DELETE）\u5747\u89e6\u53d1\u5168\u5c40\u7248\u672c\u53f7\u52a01，\u652f\u6301\u6570\u636e\u8ffd\u6eaf\u548c\u5e76\u53d1\u63a7\u5236\u3002 \u542f\u52a8\u53c2\u6570\u4f5c\u7528：<\/p>\n

\u5efa\u8bae\u901a\u8fc7 etcdctl endpoint status \u6216\u76d1\u63a7\u5de5\u5177（\u5982 Prometheus）\u89c2\u5bdf\u7248\u672c\u53f7\u548c\u5b58\u50a8\u4f7f\u7528\u60c5\u51b5，\u7ed3\u5408\u4e1a\u52a1\u9700\u6c42\u8c03\u6574\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n

\u7a7a\u95f4\u95ee\u9898<\/h6>\n

\u2013auto-compaction-retention \u4f5c\u7528：\u8bbe\u7f6e\u81ea\u52a8\u538b\u7f29（Auto-Compaction）\u7684\u4fdd\u7559\u7b56\u7565，\u63a7\u5236\u65e7\u7248\u672c\u6570\u636e\u7684\u4fdd\u7559\u65f6\u95f4\u3002 \u539f\u7406：ETCD\u4f1a\u5b9a\u671f\u6e05\u7406\u4f4e\u4e8e\u6307\u5b9a\u4fdd\u7559\u65f6\u95f4\u7684\u65e7\u7248\u672c\u6570\u636e，\u91ca\u653e\u5b58\u50a8\u7a7a\u95f4\u3002 \u914d\u7f6e\u793a\u4f8b： \u2013auto-compaction-retention=1h：\u4fdd\u7559\u6700\u8fd11\u5c0f\u65f6\u5185\u7684\u6570\u636e，\u81ea\u52a8\u538b\u7f29\u66f4\u65e9\u7684\u7248\u672c\u3002 \u82e5\u672a\u914d\u7f6e\u6b64\u53c2\u6570，\u9ed8\u8ba4\u7981\u7528\u81ea\u52a8\u538b\u7f29（\u9700\u624b\u52a8\u6267\u884c compact \u547d\u4ee4）\u3002 \u2013auto-compaction-mode：\u5b9a\u4e49\u538b\u7f29\u6a21\u5f0f，\u53ef\u9009 periodic（\u57fa\u4e8e\u65f6\u95f4）\u6216 revision（\u57fa\u4e8e\u7248\u672c\u53f7）\u3002 \u793a\u4f8b：\u2013auto-compaction-mode=periodic –auto-compaction-retention=5m \u8868\u793a\u6bcf5\u5206\u949f\u538b\u7f29\u4e00\u6b21\u65e7\u6570\u636e\u3002<\/p>\n

\u2013quota-backend-bytes \u4f5c\u7528：\u8bbe\u7f6e\u540e\u7aef\u5b58\u50a8（Backend Storage）\u7684\u914d\u989d，\u9650\u5236\u6570\u636e\u5e93\u7684\u6700\u5927\u5927\u5c0f\u3002 \u539f\u7406：\u5f53\u6570\u636e\u5e93\u5927\u5c0f\u8d85\u8fc7\u914d\u989d\u65f6，ETCD\u4f1a\u89e6\u53d1\u8b66\u62a5\u6216\u81ea\u52a8\u538b\u7f29\u64cd\u4f5c\u3002 \u914d\u7f6e\u793a\u4f8b： \u2013quota-backend-bytes=8589934592：\u9650\u5236\u6570\u636e\u5e93\u5927\u5c0f\u4e3a8GB（\u9ed8\u8ba4\u503c\u901a\u5e38\u4e3a2GB）\u3002 \u82e5\u672a\u914d\u7f6e\u6b64\u53c2\u6570，\u4f7f\u7528\u9ed8\u8ba4\u914d\u989d（\u53ef\u80fd\u56e0\u7248\u672c\u4e0d\u540c\u800c\u6709\u6240\u5dee\u5f02）\u3002<\/p>\n

\u53c2\u8003\u6587\u6863：https:\/\/cloud.tencent.com\/developer\/article\/2182442?areaSource=102001.19&traceId=NJua_dMWh91JYgM2Cm7jT \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

RPC<\/h4>\n

Raft \u7b97\u6cd5\u4e2d\u670d\u52a1\u5668\u8282\u70b9\u4e4b\u95f4\u901a\u4fe1\u4f7f\u7528\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528（RPC）<\/p>\n

RequestVote RPC：\u5019\u9009\u4eba\u5728\u9009\u4e3e\u671f\u95f4\u53d1\u8d77\u3002<\/p>\n

AppendEntries RPC：\u9886\u5bfc\u4eba\u53d1\u8d77\u7684\u4e00\u79cd\u5fc3\u8df3\u673a\u5236，\u590d\u5236\u65e5\u5fd7\u4e5f\u5728\u8be5\u547d\u4ee4\u4e2d\u5b8c\u6210\u3002<\/p>\n

InstallSnapshot RPC: \u9886\u5bfc\u8005\u4f7f\u7528\u8be5RPC\u6765\u53d1\u9001\u5feb\u7167\u7ed9\u592a\u843d\u540e\u7684\u8ffd\u968f\u8005\u3002<\/p>\n

\u5916\u90e8etcd\u5173\u8054<\/h4>\n

\u5728 kubeadm \u914d\u7f6e\u4e2d\u6307\u5b9a\u5916\u90e8 etcd kubeadm init –config kubeadm-config.yaml<\/p>\n

# kubeadm-config.yaml<\/span>
\napiVersion: kubeadm.k8s.io\/v1beta3
\nkind: InitConfiguration
\netcd:
\n external:
\n endpoints:
\n – https:\/\/etcd-node1:2379
\n – https:\/\/etcd-node2:2379
\n – https:\/\/etcd-node3:2379
\n caFile: \/etc\/ssl\/etcd\/ca.crt
\n certFile: \/etc\/ssl\/etcd\/client.crt
\n keyFile: \/etc\/ssl\/etcd\/client.key<\/p>\n

\u9759\u6001pod<\/h6>\n

# etcd-pod.yaml<\/span>
\napiVersion: v1
\nkind: Pod
\nmetadata:
\n name: etcd
\n namespace: kube-system
\nspec:
\n containers:
\n – name: etcd
\n image: quay.io\/coreos\/etcd:v3.5.9
\n command:
\n – etcd
\n – –advertise-client-urls=<\/span>http:\/\/0.0.0.0:2379
\n – –listen-client-urls=<\/span>http:\/\/0.0.0.0:2379
\n hostNetwork: true<\/span>
\n volumes:
\n – name: etcd-data
\n hostPath:
\n path: \/var\/lib\/etcd<\/p>\n

kubectl apply -f etcd-pod.yaml<\/p>\n

\u7f51\u7edc\u76f8\u5173<\/p>\n

Calico Source Code https:\/\/github.com\/projectcalico\/calico<\/p>\n","protected":false},"excerpt":{"rendered":"

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