{"id":9550,"date":"2026-08-25T14:46:21","date_gmt":"2026-08-25T06:46:21","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=9550"},"modified":"2026-08-25T14:46:21","modified_gmt":"2026-08-25T06:46:21","slug":"etcd-key-space-%e8%b6%85%e5%87%ba%e9%99%90%e9%a2%9d%e5%a4%84%e7%90%86etcdserver-mvcc-database-space-exceeded","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=9550","title":{"rendered":"etcd key space \u8d85\u51fa\u9650\u989d\u5904\u7406etcdserver: mvcc: database space exceeded"},"content":{"rendered":"<h3>\u95ee\u9898\u63cf\u8ff0<\/h3>\n<p>tdc\u73af\u5883\u5728\u66f4\u65b0tdc license\u7684\u65f6\u5019\u62a5\u9519\uff1aetcd\u62a5\u9519\uff1amvcc: database space exceeded<\/p>\n<h3>\u95ee\u9898\u5206\u6790<\/h3>\n<p>TCOS 2.x\u4f7f\u7528 etcd \u5b58\u50a8 license \u53ca\u7533\u8bf7\u4fe1\u606f\uff0c\u62a5\u9519\u8868\u660e\u96c6\u7fa4\u4e2d etcd \u7684\u6570\u636e\u91cf\u8fbe\u5230\u4e86\u9ed8\u8ba4\u7684 2g \u9650\u989d\u3002\u6b64\u65f6 etcd \u4f1a\u62d2\u7edd\u5bf9\u5916\u63d0\u4f9b\u5199\u670d\u52a1\u3002<\/p>\n<p>\u867d\u7136\u96c6\u7fa4\u4e2d\u914d\u7f6e\u4e86\u4f1a\u5468\u671f\u6027\u7684\u6267\u884c\u538b\u7f29\u6570\u636e\u7684\u64cd\u4f5c\uff0c\u4f46\u662f\u4e00\u4e9b\u788e\u7247\u5316\u7684\u7a7a\u95f4\u5e76\u4e0d\u4f1a\u4e3b\u52a8\u56de\u6536\uff0c\u9700\u8981\u624b\u52a8\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c<\/p>\n<h3>\u89e3\u51b3\u65b9\u6cd5<\/h3>\n<ul>\n<li>1\u3001\u68c0\u67e5etcd\u7a7a\u95f4\u5927\u5c0f<br \/>\n<code>ETCDCTL_API=3 etcdctl --cacert=\/srv\/kubernetes\/ca.pem --cert=\/srv\/kubernetes\/transwarp-etcd.pem --key=\/srv\/kubernetes\/transwarp-etcd-key.pem --endpoints https:\/\/zwjcfwpt-01:4000,https:\/\/zwjcfwpt-02:4000,https:\/\/zwjcfwpt-03:4000 endpoint status<\/code><\/li>\n<li>2\u3001\u68c0\u67e5etcd\u5065\u5eb7\u72b6\u6001<br \/>\n<code>ETCDCTL_API=3 etcdctl --cacert=\/srv\/kubernetes\/ca.pem --cert=\/srv\/kubernetes\/transwarp-etcd.pem --key=\/srv\/kubernetes\/transwarp-etcd-key.pem --endpoints https:\/\/zwjcfwpt-01:4000,https:\/\/zwjcfwpt-02:4000,https:\/\/zwjcfwpt-03:4000 endpoint health<\/code><\/li>\n<li>3\u3001\u5907\u4efdetcd<br \/>\n<code>ETCDCTL_API=3 etcdctl --cacert=\/srv\/kubernetes\/ca.pem --cert=\/srv\/kubernetes\/transwarp-etcd.pem --key=\/srv\/kubernetes\/transwarp-etcd-key.pem --endpoints https:\/\/zwjcfwpt-01:4000,https:\/\/zwjcfwpt-02:4000,https:\/\/zwjcfwpt-03:4000 snapshot save backup.db<\/code><br \/>\n\uff08\u6216\u8005\u53ef\u4ee5\u5907\u4efd\u4e0b\/opt\/kubernetes\/data\/transwarp-etcd\/data\u76ee\u5f55\uff09<\/li>\n<li>4\u3001\u83b7\u53d6revision\u4fe1\u606f<br \/>\n<code>rev=$(ETCDCTL_API=3 etcdctl --cacert=\/srv\/kubernetes\/ca.pem --cert=\/srv\/kubernetes\/transwarp-etcd.pem --key=\/srv\/kubernetes\/transwarp-etcd-key.pem --endpoints=https:\/\/zwjcfwpt-01:4000 endpoint status --write-out=&quot;json&quot; | egrep -o &#039;&quot;revision&quot;:[0-9]*&#039; | egrep -o &#039;[0-9]*&#039;)<\/code><\/li>\n<li>5\u3001\u538b\u7f29etcd<br \/>\n<code>ETCDCTL_API=3 etcdctl --cacert=\/srv\/kubernetes\/ca.pem --cert=\/srv\/kubernetes\/transwarp-etcd.pem --key=\/srv\/kubernetes\/transwarp-etcd-key.pem --endpoints https:\/\/zwjcfwpt-01:4000 compact $rev<\/code><\/li>\n<li>6\u3001etcd\u788e\u7247\u6574\u7406<br \/>\n<code>ETCDCTL_API=3 etcdctl --cacert=\/srv\/kubernetes\/ca.pem --cert=\/srv\/kubernetes\/transwarp-etcd.pem --key=\/srv\/kubernetes\/transwarp-etcd-key.pem --endpoints https:\/\/zwjcfwpt-01:4000 defrag<\/code><\/li>\n<li>7\u3001\u9a8c\u8bc1etcd\u72b6\u6001\u3001\u7a7a\u95f4\u5927\u5c0f<\/li>\n<li>8\u3001\u6d88\u9664\u544a\u8b66<br \/>\n<code>ETCDCTL_API=3 etcdctl --cacert=\/srv\/kubernetes\/ca.pem --cert=\/srv\/kubernetes\/transwarp-etcd.pem --key=\/srv\/kubernetes\/transwarp-etcd-key.pem --endpoints https:\/\/zwjcfwpt-01:4000 alarm disarm<\/code><\/li>\n<li>9\u3001\u6240\u6709etcd\u8282\u70b9\u91cd\u590d\u4e0a\u8ff0\u64cd\u4f5c(4-8\u6b65\uff0c\u6362\u6210\u5176\u4ed6\u8282\u70b9\u7684\u4e3b\u673a\u540d\u79f0)<\/li>\n<li>10\u3001put\u9a8c\u8bc1<br \/>\n<code>ETCDCTL_API=3 etcdctl --cacert=\/srv\/kubernetes\/ca.pem --cert=\/srv\/kubernetes\/transwarp-etcd.pem --key=\/srv\/kubernetes\/transwarp-etcd-key.pem --endpoints https:\/\/zwjcfwpt-01:4000 put newkey 123<\/code><\/li>\n<li>\u5b8c\u6210\u6e05\u7406\u64cd\u4f5c\u540e\uff0c\u518d\u6b21\u6267\u884c <code>endpoint status<\/code>  \u547d\u4ee4(\u5373\u7b2c\u4e00\u6b65\u7684\u68c0\u67e5\u547d\u4ee4)\uff0c\u5e94\u8be5\u53ef\u4ee5\u53d1\u73b0\u4f7f\u7528\u7684\u8d44\u6e90\u6709\u660e\u663e\u7684\u4e0b\u964d\u3002\u4e4b\u540e\u53ef\u4ee5\u6b63\u5e38\u8fdb\u884c license \u76f8\u5173\u7684\u5199\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p>PS\uff0c\u6b63\u5e38\u8fd0\u884c\u7684\u73af\u5883\u4e2d\u4e0d\u5efa\u8bae\u540c\u65f6\u5bf9\u6240\u6709\u8fd0\u884c\u7684\u8282\u70b9\u6267\u884c defrag \u64cd\u4f5c\uff0c\u8be5\u64cd\u4f5c\u6bd4\u8f83\u8017\u65f6\u4e14\u4f1a\u5bfc\u81f4 etcd \u96c6\u7fa4\u65e0\u6cd5\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u3002\u5982\u679c\u9700\u8981\uff0c\u53ef\u4ee5\u4f9d\u6b21\u6267\u884c\u3002<\/p>\n<p>\u76f8\u5173wiki\uff1a<br \/>\n<a href=\"https:\/\/wiki.transwarp.io\/pages\/viewpage.action?pageId=63422483\">https:\/\/wiki.transwarp.io\/pages\/viewpage.action?pageId=63422483<\/a><br \/>\n<a href=\"https:\/\/wiki.transwarp.io\/pages\/viewpage.action?pageId=20251636\">https:\/\/wiki.transwarp.io\/pages\/viewpage.action?pageId=20251636<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u9898\u63cf\u8ff0 tdc\u73af\u5883\u5728\u66f4\u65b0tdc license\u7684\u65f6\u5019\u62a5\u9519\uff1aetcd\u62a5\u9519\uff1amvcc: database spa ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/kbwp.transwarp.cn\/?p=9550\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":169,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[86,190,251,252],"class_list":["post-9550","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-license","tag-mvcc","tag-etcd"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/9550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/users\/169"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9550"}],"version-history":[{"count":1,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/9550\/revisions"}],"predecessor-version":[{"id":9558,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/9550\/revisions\/9558"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}