{"id":29750,"date":"2023-11-08T13:06:43","date_gmt":"2024-01-03T05:08:56","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%9a%8f%e7%9d%80%e6%95%b0%e6%8d%ae%e9%87%8f%e7%9a%84%e5%a2%9e%e5%8a%a0%ef%bc%8cleveldb%e5%9c%a8%e6%95%b0%e6%8d%ae%e6%b3%a8%e5%86%8c%e6%96%b9%e9%9d%a2%e4%bc%9a%e5%8f%98%e5%be%97%e6%9b%b4%e8%80%97\/"},"modified":"2025-08-12T15:42:24","modified_gmt":"2025-08-12T07:42:24","slug":"%e9%9a%8f%e7%9d%80%e6%95%b0%e6%8d%ae%e9%87%8f%e7%9a%84%e5%a2%9e%e5%8a%a0%ef%bc%8cleveldb%e5%9c%a8%e6%95%b0%e6%8d%ae%e6%b3%a8%e5%86%8c%e6%96%b9%e9%9d%a2%e4%bc%9a%e5%8f%98%e5%be%97%e6%9b%b4%e8%80%97","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%9a%8f%e7%9d%80%e6%95%b0%e6%8d%ae%e9%87%8f%e7%9a%84%e5%a2%9e%e5%8a%a0%ef%bc%8cleveldb%e5%9c%a8%e6%95%b0%e6%8d%ae%e6%b3%a8%e5%86%8c%e6%96%b9%e9%9d%a2%e4%bc%9a%e5%8f%98%e5%be%97%e6%9b%b4%e8%80%97\/","title":{"rendered":"\u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u52a0\uff0clevelDB\u5728\u6570\u636e\u6ce8\u518c\u65b9\u9762\u4f1a\u53d8\u5f97\u66f4\u8017\u65f6\u5417\uff1f"},"content":{"rendered":"<h1>\u6211\u5173\u6ce8\u7684\u4e8b\u60c5<\/h1>\n<p>\u6211\u5728\u4f7f\u7528\u4ee5\u592a\u574a\u4f5c\u4e3a\u79c1\u6709\u533a\u5757\u94fe\u65f6\u53d1\u73b0\uff0c\u5f53\u6570\u636e\u91cf\u589e\u52a0\u65f6\uff0c\u4f7f\u7528geth\uff08go-ethereum\uff09\u5185\u90e8\u7684levelDB\u8fdb\u884c\u6570\u636e\u6ce8\u518c\u4f1a\u82b1\u8d39\u66f4\u957f\u7684\u65f6\u95f4\u3002\u6211\u627e\u5230\u4e86\u4e00\u7bc7\u5173\u4e8e\u8fd9\u4e2a\u95ee\u9898\u7684\u6587\u7ae0\u3002\u6211\u611f\u5230\u5f88\u60ca\u8bb6\uff0c\u4e8e\u662f\u8fdb\u884c\u4e86\u5b9e\u9645\u6d4b\u8bd5\u3002<\/p>\n<h1>\u66fe\u7ecf\u505a\u8fc7\u7684\u4e8b\u60c5 zu\u00f2 gu\u00f2 de<\/h1>\n<p>\u5c06 Key \u4f5c\u4e3a\u5904\u7406\u7f16\u53f7\uff0c\u5c06 Value \u8bbe\u5b9a\u4e3a\u9002\u5f53\u4e14\u4e0d\u592a\u6070\u5f53\u7684\u6570\u636e\uff0c\u5c06\u5176\u6ce8\u518c100\u4e07\u6b21\u3002<br \/>\n\u5bf9\u6bcf100\u4e2a\u6570\u636e\u8fdb\u884c\u5904\u7406\u5e76\u8ba1\u65f6\uff0c\u786e\u8ba4\u5904\u7406\u65f6\u95f4\u662f\u5426\u5728\u589e\u52a0\u3002<\/p>\n<p>\u4e0d\u4ec5\u4f7f\u7528levelDB\uff0c\u540c\u65f6\u4e5f\u8bd5\u7740\u4f7f\u7528mongoDB\u3002<\/p>\n<h1>levelDB\u7684\u5904\u7406\u65f6\u95f4<\/h1>\n<p>\u4f7f\u7528\u4e0b\u9762\u7684\u4ee3\u7801\u8fdb\u884c\u6570\u636e\u6ce8\u518c<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">time<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">leveldb<\/span>\r\n\r\n<span class=\"c1\"># \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\uff1a750\u30d0\u30a4\u30c8\r\n<\/span><span class=\"n\">inputData<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'{\"_id\" : \"ObjectId(<\/span><span class=\"se\">\\5<\/span><span class=\"s\">e3b4dd825755df3f15a2d17<\/span><span class=\"se\">\\\"<\/span><span class=\"s\">)\",\"coediting\" : False,\"comments_count\" : 0,\"created_at\" : \"2020-02-05T20:20:10+09:00\",\"group\" : None,\"id\" : \"6ed1eec1d6fba127a863\",\"likes_count\" : 0,\"private\" : False,\"reactions_count\" : 0,\"tags\" : [{\"name\" : \"Python\",\"versions\" : [ ]},{\"name\" : \"MongoDB\",\"versions\" : [ ]},{\"name\" : \"Python3\",\"versions\" : [ ]},{\"name\" : \"pymongo\",\"versions\" : [ ]}],\"title\" : \"Python\u3067mongoDB\u3092\u64cd\u4f5c\u3059\u308b\uff5e\u305d\u306e\uff16\uff1aaggregate\u7de8\uff5e\",\"updated_at\" : \"2020-02-05T20:20:10+09:00\",\"url\" : \"https:\/\/qiita.com\/bc_yuuuuuki\/items\/6ed1eec1d6fba127a863\",\"page_views_count\" : 96,\"tag1\" : \"Python\",\"tag2\" : \"MongoDB\",\"tag3\" : \"Python3\",\"tag4\" : \"pymongo\",\"tag5\" : \"\",\"tag_list\" : [\"Python\",\"MongoDB\",\"Python3\",\"pymongo\"],\"stocks_count\" : 0}'<\/span>\r\n\r\n<span class=\"n\">start<\/span> <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"p\">.<\/span><span class=\"n\">time<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"n\">db<\/span> <span class=\"o\">=<\/span> <span class=\"n\">leveldb<\/span><span class=\"p\">.<\/span><span class=\"n\">LevelDB<\/span><span class=\"p\">(<\/span><span class=\"s\">\"measurement_test\"<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"n\">start<\/span> <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"p\">.<\/span><span class=\"n\">time<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"k\">for<\/span> <span class=\"n\">i<\/span> <span class=\"ow\">in<\/span> <span class=\"nb\">range<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span><span class=\"mi\">1000001<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">db<\/span><span class=\"p\">.<\/span><span class=\"n\">Put<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">.<\/span><span class=\"n\">to_bytes<\/span><span class=\"p\">(<\/span><span class=\"mi\">4<\/span><span class=\"p\">,<\/span> <span class=\"s\">'little'<\/span><span class=\"p\">),<\/span> <span class=\"n\">inputData<\/span><span class=\"p\">.<\/span><span class=\"n\">encode<\/span><span class=\"p\">(<\/span><span class=\"s\">'utf-8'<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">100<\/span> <span class=\"o\">==<\/span> <span class=\"mi\">0<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">end<\/span> <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"p\">.<\/span><span class=\"n\">time<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{0}:{1}\"<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">,<\/span><span class=\"n\">end<\/span><span class=\"o\">-<\/span><span class=\"n\">start<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"n\">start<\/span> <span class=\"o\">=<\/span> <span class=\"n\">end<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d037c37434c4406bd3b4b\/8-0.png\" alt=\"levelDB.png\" \/><\/div>\n<h1>\u5728\u4e2d\u56fd\u672c\u571f\u8fdb\u884c\u539f\u751f\u7684\u4e2d\u6587\u653f\u5e9c\u5e7f\u544a<\/h1>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u8fdb\u884c\u6d4b\u91cf\u3002<\/p>\n<p>de<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">mongo_sample<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">MongoSample<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">time<\/span>\r\n\r\n<span class=\"n\">mongo<\/span> <span class=\"o\">=<\/span> <span class=\"n\">MongoSample<\/span><span class=\"p\">(<\/span><span class=\"s\">\"db\"<\/span><span class=\"p\">,<\/span><span class=\"s\">\"measurement\"<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\uff1a750\u30d0\u30a4\u30c8\r\n<\/span><span class=\"n\">inputData<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'{\"_id\" : \"ObjectId(<\/span><span class=\"se\">\\5<\/span><span class=\"s\">e3b4dd825755df3f15a2d17<\/span><span class=\"se\">\\\"<\/span><span class=\"s\">)\",\"coediting\" : False,\"comments_count\" : 0,\"created_at\" : \"2020-02-05T20:20:10+09:00\",\"group\" : None,\"id\" : \"6ed1eec1d6fba127a863\",\"likes_count\" : 0,\"private\" : False,\"reactions_count\" : 0,\"tags\" : [{\"name\" : \"Python\",\"versions\" : [ ]},{\"name\" : \"MongoDB\",\"versions\" : [ ]},{\"name\" : \"Python3\",\"versions\" : [ ]},{\"name\" : \"pymongo\",\"versions\" : [ ]}],\"title\" : \"Python\u3067mongoDB\u3092\u64cd\u4f5c\u3059\u308b\uff5e\u305d\u306e\uff16\uff1aaggregate\u7de8\uff5e\",\"updated_at\" : \"2020-02-05T20:20:10+09:00\",\"url\" : \"https:\/\/qiita.com\/bc_yuuuuuki\/items\/6ed1eec1d6fba127a863\",\"page_views_count\" : 96,\"tag1\" : \"Python\",\"tag2\" : \"MongoDB\",\"tag3\" : \"Python3\",\"tag4\" : \"pymongo\",\"tag5\" : \"\",\"tag_list\" : [\"Python\",\"MongoDB\",\"Python3\",\"pymongo\"],\"stocks_count\" : 0}'<\/span>\r\n\r\n<span class=\"n\">start<\/span> <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"p\">.<\/span><span class=\"n\">time<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">path<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"measurement.txt\"<\/span>\r\n<span class=\"k\">with<\/span> <span class=\"nb\">open<\/span><span class=\"p\">(<\/span><span class=\"n\">path<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"w\"<\/span><span class=\"p\">)<\/span> <span class=\"k\">as<\/span> <span class=\"n\">out<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">i<\/span> <span class=\"ow\">in<\/span> <span class=\"nb\">range<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span><span class=\"mi\">1000001<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"n\">mongo<\/span><span class=\"p\">.<\/span><span class=\"n\">insert_one<\/span><span class=\"p\">({<\/span><span class=\"nb\">str<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">):<\/span><span class=\"n\">inputData<\/span><span class=\"p\">})<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">100<\/span> <span class=\"o\">==<\/span> <span class=\"mi\">0<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"n\">end<\/span> <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"p\">.<\/span><span class=\"n\">time<\/span><span class=\"p\">()<\/span>\r\n            <span class=\"n\">out<\/span><span class=\"p\">.<\/span><span class=\"n\">write<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{0}:{1}<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">,<\/span><span class=\"n\">end<\/span><span class=\"o\">-<\/span><span class=\"n\">start<\/span><span class=\"p\">))<\/span>\r\n            <span class=\"n\">start<\/span> <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"p\">.<\/span><span class=\"n\">time<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d037c37434c4406bd3b4b\/12-0.png\" alt=\"mongoDB.png\" \/><\/div>\n<h1>\u9a8c\u8bc1\u7ed3\u679c<\/h1>\n<p>\u89c2\u5bdf\u5904\u7406\u7ed3\u679c\u7684\u5206\u5e03\u56fe\uff0c\u53ef\u4ee5\u770b\u51falevelDB\u548cmongoDB\u90fd\u5927\u81f4\u5206\u5e03\u5728\u56fa\u5b9a\u7684\u5904\u7406\u65f6\u95f4\u533a\u95f4\u5185\u3002<br \/>\n\u867d\u7136\u6709\u4e9b\u9700\u8981\u8f83\u957f\u5904\u7406\u65f6\u95f4\u7684\u60c5\u51b5\uff0c\u4f46\u6570\u91cf\u5f88\u5c11\uff0c\u56e0\u6b64\u4e0d\u80fd\u8bf4\u5199\u5165\u901f\u5ea6\u6709\u6240\u4e0b\u964d\u3002<\/p>\n<p>\u5982\u679c\u6839\u636e\u6570\u636e\u91cf\u7684\u589e\u52a0\u5199\u5165\u901f\u5ea6\u53d8\u6162\u7684\u8bdd\uff0c\u901a\u5e38\u4f1a\u5448\u73b0\u9010\u6e10\u589e\u52a0\u6216\u8005\u5411\u53f3\u4e0a\u65b9\u5f2f\u66f2\u7684\u5206\u5e03\u5f62\u6001\uff0c\u4f46\u5728\u672c\u6b21\u9a8c\u8bc1\u4e2d\u5e76\u6ca1\u6709\u51fa\u73b0\u8fd9\u79cd\u5206\u5e03\u5f62\u6001\u3002<\/p>\n<h1>\u5370\u8c61<\/h1>\n<p>\u56e0\u4e3a\u6211\u4e0d\u6e05\u695a\u9605\u8bfb\u6587\u7ae0\u7684\u8be6\u7ec6\u73af\u5883\u548c\u6570\u636e\u91cf\uff0c\u6240\u4ee5\u53c2\u8003\u6587\u7ae0\u7684\u5185\u5bb9\u662f\u5426\u5c5e\u5b9e\u4ecd\u7136\u4e0d\u660e\u3002<br \/>\n\u6b64\u5916\uff0cgeth\u663e\u7136\u662f\u7528Go\u8bed\u8a00\u7f16\u5199\u7684\uff0c\u800c\u6211\u89c9\u5f97\u642d\u5efaGo\u7684\u73af\u5883\u5f88\u9ebb\u70e6\uff0c\u6240\u4ee5\u5c1d\u8bd5\u7528Python\u505a\u4e86\u3002<br \/>\n\u7531\u4e8e\u8fd9\u4e9b\u539f\u56e0\u53ef\u80fd\u4f1a\u4ea7\u751f\u5f71\u54cd\uff0c\u6240\u4ee5\u6211\u6253\u7b97\u7ee7\u7eed\u8c03\u67e5\u4e00\u4e0b\u3002<\/p>\n<p>\u5bf9\u4e8eLevelDB\uff0c\u6211\u867d\u7136\u53ea\u5f97\u5230\u4e86\u4e00\u4e9b\u77e5\u8bc6\uff0c\u4f46\u8fd8\u662f\u5f88\u5f00\u5fc3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u5173\u6ce8\u7684\u4e8b\u60c5 \u6211\u5728\u4f7f\u7528\u4ee5\u592a\u574a\u4f5c\u4e3a\u79c1\u6709\u533a\u5757\u94fe\u65f6\u53d1\u73b0\uff0c\u5f53\u6570\u636e\u91cf\u589e\u52a0\u65f6\uff0c\u4f7f\u7528geth\uff08go-ethereum\uff09\u5185\u90e8\u7684 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29750","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"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>\u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u52a0\uff0clevelDB\u5728\u6570\u636e\u6ce8\u518c\u65b9\u9762\u4f1a\u53d8\u5f97\u66f4\u8017\u65f6\u5417\uff1f - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u52a0\uff0clevelDB\u5728\u6570\u636e\u6ce8\u518c\u65b9\u9762\u4f1a\u53d8\u5f97\u66f4\u8017\u65f6\u5417\uff1f\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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