{"id":43929,"date":"2023-05-23T23:58:41","date_gmt":"2023-12-16T15:09:01","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes%ef%bc%9aetcd%e5%ae%b9%e9%87%8f%e7%ae%a1%e7%90%86%ef%bc%88%e9%85%8d%e9%a2%9d%e3%80%81%e5%8e%8b%e7%bc%a9%e3%80%81%e7%a2%8e%e7%89%87%e6%95%b4%e7%90%86%e7%ad%89%ef%bc%89\/"},"modified":"2024-04-30T05:40:44","modified_gmt":"2024-04-29T21:40:44","slug":"kubernetes%ef%bc%9aetcd%e5%ae%b9%e9%87%8f%e7%ae%a1%e7%90%86%ef%bc%88%e9%85%8d%e9%a2%9d%e3%80%81%e5%8e%8b%e7%bc%a9%e3%80%81%e7%a2%8e%e7%89%87%e6%95%b4%e7%90%86%e7%ad%89%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes%ef%bc%9aetcd%e5%ae%b9%e9%87%8f%e7%ae%a1%e7%90%86%ef%bc%88%e9%85%8d%e9%a2%9d%e3%80%81%e5%8e%8b%e7%bc%a9%e3%80%81%e7%a2%8e%e7%89%87%e6%95%b4%e7%90%86%e7%ad%89%ef%bc%89\/","title":{"rendered":"Kubernetes\uff1aetcd\u5bb9\u91cf\u7ba1\u7406\uff08\u914d\u989d\u3001\u538b\u7f29\u3001\u788e\u7247\u6574\u7406\u7b49\uff09"},"content":{"rendered":"<p>\u5728Kubernetes\u4e2d\uff0c\u6240\u6709\u7684API\u5bf9\u8c61\u90fd\u901a\u8fc7kube-apiserver\u4fdd\u5b58\u5728etcd\u4e2d\u3002etcd\u6709\u6570\u636e\u5927\u5c0f\u9650\u5236\uff08\u914d\u989d\uff09\uff0c\u4f46\u8fd8\u9700\u6ce8\u610f\u4e00\u4e9b\u5176\u4ed6\u4e8b\u9879\uff0c\u5982\u5386\u53f2\u6570\u636e\u548c\u7247\u6bb5\u5316\u5927\u5c0f\u5728compaction\u4e4b\u524d\u7684\u60c5\u51b5\u3002\u672c\u6587\u603b\u7ed3\u4e86\u4e00\u4e9b\u5173\u4e8eetcd\u5bb9\u91cf\u7ba1\u7406\u7684\u4fe1\u606f\uff0c\u6240\u4f7f\u7528\u7684etcd\u7248\u672c\u4e3a3.2.24\u3002<\/p>\n<h2>etcd\u7684\u5bb9\u91cf\u9650\u5236\uff08\u914d\u989d\uff09<\/h2>\n<p>etcd \u9ed8\u8ba4\u8bbe\u7f6e\u4e862GB\u7684\u914d\u989d\u3002\u4e00\u65e6\u8d85\u8fc7\u8fd9\u4e2a\u914d\u989d\uff0cetcd\u4f1a\u8fdb\u5165\u8b66\u62a5\u72b6\u6001\uff0c\u5e76\u4e14\u9664\u975e\u89e3\u9664\u8b66\u62a5\uff08\u89e3\u9664\u6b66\u88c5\uff09\uff0c\u5426\u5219\u5c06\u65e0\u6cd5\u5411etcd\u5199\u5165\u6570\u636e\u3002\u5982\u679c\u8d85\u8fc7\u5bb9\u91cf\u9650\u5236\uff0c\u5c06\u663e\u793a\u9519\u8bef\u6d88\u606f\u201cmvcc: database space exceeded\u201d\u3002\u914d\u989d\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7 &#8211;quota-backend-bytes\u9009\u9879\u6307\u5b9a\u6700\u5927\u4e3a8GB\u3002<\/p>\n<h3>\u5305\u542b\u5728\u914d\u989d\u5927\u5c0f\u4e2d\u7684\u5185\u5bb9<\/h3>\n<p>\u914d\u989d\u5927\u5c0f\u5c06\u6839\u636e etcd \u4f7f\u7528\u7684 BoltDB\uff08etcd-io\/bbolt\uff09\u540e\u7aef\u7684\u7269\u7406\u5927\u5c0f\u6765\u8ba1\u7b97\u3002\u7531\u4e8e\u8be5\u5927\u5c0f\u5305\u62ec\u5386\u53f2\u6570\u636e\u548c\u7531\u4e8e\u788e\u7247\u5316\u5f15\u8d77\u7684\u95f4\u9699\uff0c\u56e0\u6b64\u9700\u8981\u6ce8\u610f\u3002<\/p>\n<p>\u73fe\u5728\u306e\u30c7\u30fc\u30bf(\u30ad\u30fc\u3068\u5024)<\/p>\n<p>Kubernetes \u306e\u5834\u5408\u3001API \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3054\u3068\u306b\u30ad\u30fc\u304c\u3067\u304d\u3001protocol buffer \u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b<\/p>\n<p>\u5c65\u6b74\u30c7\u30fc\u30bf<\/p>\n<p>etcd \u306e compaction \u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u6307\u5b9a\u3057\u305f revision \u4ee5\u4e0b\u306e\u5c65\u6b74\u306f\u6d88\u3048\u308b<\/p>\n<p>\u65ad\u7247\u5316\u306b\u3088\u308b\u9699\u9593<\/p>\n<p>etcd \u306e defrag \u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u89e3\u6d88\u3059\u308b<\/p>\n<h3>\u7269\u7406\u5c3a\u5bf8\u548c\u903b\u8f91\u5c3a\u5bf8<\/h3>\n<p>\u5728etcd\u7684\u6570\u636e\u5927\u5c0f\u4e2d\uff0c\u6709\u7269\u7406\u5927\u5c0f\u548c\u903b\u8f91\u5927\u5c0f\u4e24\u79cd\u3002\u8fd9\u4e9b\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0bPrometheus\u7684\u6307\u6807\u8fdb\u884c\u67e5\u770b\u3002<\/p>\n<p>etcd_mvcc_db_total_size_in_bytes \u65ad\u7247\u5316\u306b\u3088\u308b\u9699\u9593\u3092\u542b\u3080\u3001\u7269\u7406\u7684\u306a DB \u306e\u30b5\u30a4\u30ba<\/p>\n<p>\u30af\u30a9\u30fc\u30bf\u306e\u5bfe\u8c61\u3068\u306a\u308b\u30b5\u30a4\u30ba<br \/>\ndefrag \u3092\u884c\u3063\u305f\u3068\u304d\u306e\u307f\u30b5\u30a4\u30ba\u304c\u6e1b\u308b<\/p>\n<p>etcd_mvcc_db_total_size_in_use_in_bytes \u65ad\u7247\u5316\u306b\u3088\u308b\u9699\u9593\u3092\u542b\u307e\u306a\u3044\u3001\u8ad6\u7406\u7684\u306a DB \u306e\u30b5\u30a4\u30ba<\/p>\n<p>compaction \u3067\u5c65\u6b74\u30c7\u30fc\u30bf\u3092\u6d88\u3057\u305f\u3068\u304d\u306b\u30b5\u30a4\u30ba\u304c\u6e1b\u308b<\/p>\n<h2>\u770b\u770b\u5b9e\u9645\u64cd\u4f5c<\/h2>\n<p>\u8fd9\u4e2a\u56fe\u8868\u663e\u793a\u4e86\u901a\u8fc7kube-apiserver\u6bcf\u79d2\u4fee\u6539\u4e00\u6b211MB\u7684ConfigMap\u5e76\u5199\u5165\u5386\u53f2\u6570\u636e\u7684\u65f6\u5019\u7684\u6307\u6807\u3002\u7531\u4e8e\u662f\u5bf9\u540c\u4e00\u4e2aConfigMap\u8fdb\u884c\u66f4\u65b0\uff0c\u6240\u4ee5\u4ecekube-apiserver\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u5e94\u8be5\u53ea\u589e\u52a0\u4e86\u5927\u7ea61MB\u3002\u4f46\u662f\u53ef\u4ee5\u770b\u51faetcd\u7684\u6570\u636e\u91cf\u6b63\u5728\u589e\u52a0\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d55c437434c4406cd74e0\/11-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u4ece\u4e0a\u9762\u7684\u56fe\u8868\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u7ea2\u8272\u4ee3\u8868\u7269\u7406\u5c3a\u5bf8\uff0c\u7eff\u8272\u4ee3\u8868\u903b\u8f91\u5c3a\u5bf8\u3002\u4e0a\u8ff0\u56fe\u8868\u663e\u793a\u4ee5\u4e0b\u64cd\u4f5c\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ConfigMap \u306e\u66f4\u65b0\u3092\u958b\u59cb\u3059\u308b\u3068 etcd \u306e\u8ad6\u7406\u30b5\u30a4\u30ba(\u7dd1)\u3001\u7269\u7406\u30b5\u30a4\u30ba(\u8d64)\u3068\u3082\u306b\u5897\u3048\u3066\u3044\u304f<\/ul>\n<\/li>\n<\/ul>\n<p>\u5c65\u6b74\u30c7\u30fc\u30bf\u306b\u3088\u3063\u3066\u30b5\u30a4\u30ba\u304c\u5897\u3048\u3066\u3044\u304f<\/p>\n<p>\u8ad6\u7406\u30b5\u30a4\u30ba(\u7dd1) \u306f\u5b9a\u671f\u7684\u306b\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u308b<\/p>\n<p>5\u5206\u3054\u3068\u306b kube-apiserver \u306b\u3088\u3063\u3066 compaction \u304c\u8d70\u3063\u3066\u5c65\u6b74\u30c7\u30fc\u30bf\u304c\u6d88\u3048\u308b\u305f\u3081<br \/>\n\u4e00\u5b9a\u4ee5\u4e0a\u30c7\u30fc\u30bf\u304c\u6d88\u3048\u3066\u3044\u306a\u3044\u306e\u306f\u3001compaction \u306e revision \u6307\u5b9a\u306e\u4ed5\u69d8 (\u5f8c\u8ff0)<\/p>\n<p>\u4e00\u65b9\u7269\u7406\u30b5\u30a4\u30ba(\u8d64) \u306f\u4e00\u5ea6\u4e0a\u304c\u3063\u305f\u30b5\u30a4\u30ba\u306f\u305d\u306e\u307e\u307e<\/p>\n<p>\u6700\u5f8c\u306b\u624b\u52d5\u3067 defrag \u3092\u5b9f\u884c\u3057\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u521d\u3081\u3066\u30b5\u30a4\u30ba\u304c\u4e0b\u304c\u308b<\/p>\n<p>\u4ee5\u4e0b\u662f\u5b9e\u9645\u6267\u884c\u7684\u64cd\u4f5c\u3002\u4e3a\u4e86\u5bf9etcd\u65bd\u52a0\u8d1f\u8f7d\uff0c\u8bf7\u5728\u5c1d\u8bd5\u65f6\u5c0f\u5fc3\u6ce8\u610f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># 1MB \u306e\u30c0\u30df\u30fc\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">dd <\/span><span class=\"k\">if<\/span><span class=\"o\">=<\/span>\/dev\/urandom <span class=\"nv\">of<\/span><span class=\"o\">=<\/span>random.bin <span class=\"nv\">bs<\/span><span class=\"o\">=<\/span>1024 <span class=\"nv\">count<\/span><span class=\"o\">=<\/span>1024\r\n\r\n<span class=\"c\"># \u30c0\u30df\u30fc\u30d5\u30a1\u30a4\u30eb\u3092\u5165\u308c\u305f ConfigMap \u3092\u4f5c\u6210<\/span>\r\n<span class=\"nv\">$ <\/span>kubectl create cm dummy-config <span class=\"nt\">--from-file<\/span> random.bin\r\n\r\n<span class=\"c\"># 1\u79d2\u3054\u3068\u306b\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u3066\u3001\u5c65\u6b74\u30c7\u30fc\u30bf\u3092 etcd \u306b\u66f8\u3044\u3066\u3044\u304f<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"k\">while <\/span><span class=\"nb\">true<\/span><span class=\"p\">;<\/span> <span class=\"k\">do\r\n  <\/span>kubectl patch configmap dummy-config <span class=\"se\">\\<\/span>\r\n  <span class=\"nt\">-p<\/span> <span class=\"s2\">\"{<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">metadata<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">:{<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">annotations<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">:{<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">dummy-for-update<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">:<\/span><span class=\"se\">\\\"<\/span><span class=\"sb\">`<\/span><span class=\"nb\">date<\/span> +%s<span class=\"sb\">`<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">}}}\"<\/span>\r\n  <span class=\"nb\">sleep <\/span>1\r\n<span class=\"k\">done<\/span>\r\n\r\n<span class=\"c\"># \u9069\u5f53\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u6b62\u3081\u308b<\/span>\r\n\r\n<span class=\"c\"># defrag \u3060\u3051\u624b\u52d5\u5b9f\u884c<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span><span class=\"nv\">ETCDCTL_API<\/span><span class=\"o\">=<\/span>3 etcdctl <span class=\"nt\">--endpoints<\/span><span class=\"o\">=<\/span>... defrag\r\n<\/code><\/pre>\n<h2>\u5386\u53f2\u6570\u636e\u548c\u538b\u7f29<\/h2>\n<p>\u5f53\u53d1\u751f\u66f4\u6539\u64cd\u4f5c\u65f6\uff0cetcd\u4f1a\u4fdd\u7559\u65e7\u6570\u636e\u5e76\u521b\u5efa\u65b0\u6570\u636e\u3002\u5728\u5185\u90e8\uff0c\u5b83\u4f1a\u7ed9\u6bcf\u4e2a\u6570\u636e\u5206\u914d\u4e00\u4e2a\u79f0\u4e3arevision\u7684\u8fde\u7eed\u7f16\u53f7\u3002\u5f53\u8fdb\u884c\u538b\u7f29\u64cd\u4f5c\u65f6\uff0c\u4f1a\u5220\u9664\u6307\u5b9a\u7684revision\u4e4b\u524d\u7684\u6570\u636e\u3002<\/p>\n<p>etcd\u62e5\u6709\u81ea\u52a8\u6267\u884c\u538b\u7f29\u7684\u529f\u80fd\uff0c\u4f46\u5728Kubernetes\u4e2d\uff0c\u9ed8\u8ba4\u64cd\u4f5c\u662f\u901a\u8fc7kube-apiserver\u7684\u529f\u80fd\u5b9a\u671f\u8fdb\u884c\u538b\u7f29\u3002\u538b\u7f29\u95f4\u9694\u53ef\u4ee5\u4f7f\u7528kube-apiserver\u7684&#8211;etcd-compaction-interval\u53c2\u6570\u8fdb\u884c\u6307\u5b9a\uff0c\u9ed8\u8ba4\u4e3a5\u5206\u949f\u3002(kubernetes v1.14.0)<\/p>\n<p>\u5728 kube-apiserver \u7684\u538b\u7f29\u5904\u7406\u4e2d\uff0c\u5c06\u4e0a\u6b21\u6267\u884c\u538b\u7f29\u7684\u4fee\u8ba2\u7248\u672c\u8bb0\u5f55\u5728\u4e00\u4e2a\u7279\u6b8a\u7684\u952e\u201ccompactRevKey\u201d\u4e2d\uff0c\u5728\u4e0b\u6b21\u5904\u7406\u4e2d\u6267\u884c\u8be5\u4fee\u8ba2\u7248\u672c\u4e4b\u524d\u7684\u538b\u7f29\u64cd\u4f5c\uff0c\u7136\u540e\u91cd\u590d\u8fd9\u4e2a\u8fc7\u7a0b\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4f1a\u4fdd\u7559\u4e24\u4e2a\u533a\u95f4\uff0c\u537310\u5206\u949f\u7684\u5386\u53f2\u6570\u636e\u3002<\/p>\n<h2>\u6570\u636e\u95f4\u9699\u548c\u788e\u7247\u6574\u7406<\/h2>\n<p>\u6839\u636e etcd \u4f7f\u7528\u7684 BoltDB (etcd-io\/bbolt) \u7684\u89c4\u8303\uff0c\u5220\u9664\u6570\u636e\u4e0d\u4f1a\u51cf\u5c0f\u6570\u636e\u5e93\u7684\u5927\u5c0f\uff08\u53c2\u8003: Question: Shrink BoltDB File? #423\uff09\u3002\u6b64\u5916\uff0c\u6570\u636e\u5e93\u53ef\u80fd\u4f1a\u53d1\u751f\u788e\u7247\u5316\uff0c\u6709\u65f6\u9700\u8981\u8fdb\u884c defrag \u64cd\u4f5c\u3002\u7136\u800c\uff0c\u5728 defrag \u8fc7\u7a0b\u4e2d\uff0c\u5199\u5165\u6216\u8bfb\u53d6\u6570\u636e\u53ef\u80fd\u4f1a\u5931\u8d25\uff0c\u56e0\u6b64\u6700\u597d\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u64cd\u4f5c\u3002<\/p>\n<p>etcd \u7684\u788e\u7247\u6574\u7406\u5b9e\u73b0\u65b9\u5f0f\u4f3c\u4e4e\u662f\u7b80\u5355\u5730\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 BoltDB \u6587\u4ef6\uff0c\u5e76\u5c06\u6240\u6709\u6570\u636e\u5199\u5165\u5176\u4e2d\uff0c\u7136\u540e\u901a\u8fc7\u91cd\u547d\u540d\u8fdb\u884c\u5207\u6362\u3002<\/p>\n<ul class=\"post-ul\">\u53c2\u8003: https:\/\/github.com\/etcd-io\/etcd\/blob\/v3.3.12\/mvcc\/backend\/backend.go#L293-L415<\/ul>\n<h2>\u63d0\u793a\uff1a\u4e86\u89e3API\u5bf9\u8c61\u6570\u91cf\u3002<\/h2>\n<p>\u53ef\u4ee5\u901a\u8fc7Prometheus\u7684\u5ea6\u91cf\u6807\u51c6\u201ckube-apiserver\u7684etcd_object_counts\u201d\u67e5\u770b\u5f53\u524d\u7684Kubernetes API\u5bf9\u8c61\u6570\u3002\u7531\u4e8e\u8d44\u6e90\u6807\u7b7e\u7684\u5b58\u5728\uff0c\u53ef\u4ee5\u7acb\u5373\u4e86\u89e3\u54ea\u79cd\u8d44\u6e90\u7684\u6570\u91cf\u6700\u591a\u3002\u867d\u7136\u6ca1\u6709\u5386\u53f2\u4fe1\u606f\uff0c\u4f46\u53ef\u4ee5\u8f7b\u677e\u5730\u786e\u8ba4etcd\u4e2d\u54ea\u4e2a\u5bf9\u8c61\u6700\u591a\u3002<\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6309\u7167\u8d44\u6e90\u6570\u91cf\u4ece\u591a\u5230\u5c11\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>kubectl get <span class=\"nt\">--raw<\/span> \/metrics | <span class=\"nb\">grep <\/span>etcd_object_counts | <span class=\"nb\">sort<\/span> <span class=\"nt\">-k2<\/span> <span class=\"nt\">-n<\/span>\r\n...\r\netcd_object_counts<span class=\"o\">{<\/span><span class=\"nv\">resource<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"clusterroles.rbac.authorization.k8s.io\"<\/span><span class=\"o\">}<\/span> 76\r\netcd_object_counts<span class=\"o\">{<\/span><span class=\"nv\">resource<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"secrets\"<\/span><span class=\"o\">}<\/span> 118\r\netcd_object_counts<span class=\"o\">{<\/span><span class=\"nv\">resource<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"pods\"<\/span><span class=\"o\">}<\/span> 162\r\netcd_object_counts<span class=\"o\">{<\/span><span class=\"nv\">resource<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"events\"<\/span><span class=\"o\">}<\/span> 647\r\n<\/code><\/pre>\n<h2>Kubernetes\u4e2detcd\u914d\u989d\u7684\u6ce8\u610f\u4e8b\u9879<\/h2>\n<h3>\u9700\u8981\u6ce8\u610f\u7684\u662fCompaction\u4e4b\u95f4\u7684\u5386\u53f2\u6570\u636e\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30d5\u30a9\u30eb\u30c8\u3060\u3068\u7d0410\u5206\u306e\u5c65\u6b74\u304c\u4fdd\u6301\u3055\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7279\u306b\u30ec\u30d7\u30ea\u30ab\u6570\u306e\u5927\u304d\u306a Deployment \u306e\u30ed\u30fc\u30ea\u30f3\u30b0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u306f\u6ce8\u610f<\/ul>\n<\/li>\n<\/ul>\n<p>Pod \u3054\u3068\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u3089\u308c\u3001\u30ed\u30fc\u30ea\u30f3\u30b0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u6700\u4e2d\u306b\u8907\u6570\u56de\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u308b<\/p>\n<p>\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 (ConfigMap, Secret) \u306e\u66f4\u65b0\u306b\u3082\u6ce8\u610f<\/p>\n<h3>\u8bf7\u6ce8\u610fEvent\u5bf9\u8c61\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Event \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f TTL (\u30c7\u30d5\u30a9\u30eb\u30c8 1\u6642\u9593) \u306f\u3042\u308b\u3082\u306e\u306e\u3001\u969c\u5bb3\u306a\u3069\u3067\u5927\u91cf\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Deployment \u306e\u30ed\u30fc\u30ea\u30f3\u30b0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u6642\u306b\u306f Event \u304c\u5897\u3048\u308b\u3053\u3068\u3082\u7559\u610f<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>etcd\u6709\u914d\u989d\u9650\u5236\uff0c\u5176\u4e2dBolt DB\u7684\u7269\u7406\u5927\u5c0f\u53d7\u5230\u9650\u5236\u3002\u7269\u7406\u5927\u5c0f\u5305\u62ec\u4e86\u538b\u7f29\u524d\u7684\u5386\u53f2\u8bb0\u5f55\u548c\u7247\u6bb5\u5316\u3002\u5728Kubernetes\u4e2d\uff0ckube-apiserver\u4f1a\u5b9a\u671f\uff08\u9ed8\u8ba4\u4e3a5\u5206\u949f\uff09\u6267\u884c\u538b\u7f29\u64cd\u4f5c\uff0c\u4f46\u7531\u4e8e\u4fdd\u7559\u4e8610\u5206\u949f\u7684\u5386\u53f2\u8bb0\u5f55\uff0c\u56e0\u6b64\u5728\u8fdb\u884c\u5927\u89c4\u6a21\u6eda\u52a8\u66f4\u65b0\u7b49\u64cd\u4f5c\u65f6\u9700\u8981\u6ce8\u610f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Kubernetes\u4e2d\uff0c\u6240\u6709\u7684API\u5bf9\u8c61\u90fd\u901a\u8fc7kube-apiserver\u4fdd\u5b58\u5728etcd\u4e2d\u3002etcd\u6709\u6570\u636e\u5927 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43929","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kubernetes\uff1aetcd\u5bb9\u91cf\u7ba1\u7406\uff08\u914d\u989d\u3001\u538b\u7f29\u3001\u788e\u7247\u6574\u7406\u7b49\uff09 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes\uff1aetcd\u5bb9\u91cf\u7ba1\u7406\uff08\u914d\u989d\u3001\u538b\u7f29\u3001\u788e\u7247\u6574\u7406\u7b49\uff09\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kubernetes\uff1aetcd\u5bb9\u91cf\u7ba1\u7406\uff08\u914d\u989d\u3001\u538b\u7f29\u3001\u788e\u7247\u6574\u7406\u7b49\uff09\" \/>\n<meta property=\"og:description\" content=\"\u5728Kubernetes\u4e2d\uff0c\u6240\u6709\u7684API\u5bf9\u8c61\u90fd\u901a\u8fc7kube-apiserver\u4fdd\u5b58\u5728etcd\u4e2d\u3002etcd\u6709\u6570\u636e\u5927 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/kubernetes\uff1aetcd\u5bb9\u91cf\u7ba1\u7406\uff08\u914d\u989d\u3001\u538b\u7f29\u3001\u788e\u7247\u6574\u7406\u7b49\uff09\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-16T15:09:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T21:40:44+00:00\" \/>\n<meta property=\"og:image\" 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