{"id":50563,"date":"2023-09-01T04:08:53","date_gmt":"2023-05-28T12:18:20","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e5%9c%a3%e8%af%9e%e8%8a%82%e5%89%8d%e5%a4%9c%ef%bc%8c%e5%b0%9d%e8%af%95%e7%bb%99cockroachdb%e6%96%bd%e5%8a%a0%e5%8e%8b%e5%8a%9b%e3%80%82\/"},"modified":"2024-04-30T21:03:10","modified_gmt":"2024-04-30T13:03:10","slug":"%e5%9c%a8%e5%9c%a3%e8%af%9e%e8%8a%82%e5%89%8d%e5%a4%9c%ef%bc%8c%e5%b0%9d%e8%af%95%e7%bb%99cockroachdb%e6%96%bd%e5%8a%a0%e5%8e%8b%e5%8a%9b%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e5%9c%a3%e8%af%9e%e8%8a%82%e5%89%8d%e5%a4%9c%ef%bc%8c%e5%b0%9d%e8%af%95%e7%bb%99cockroachdb%e6%96%bd%e5%8a%a0%e5%8e%8b%e5%8a%9b%e3%80%82\/","title":{"rendered":"\u5728\u5723\u8bde\u8282\u524d\u591c\uff0c\u5c1d\u8bd5\u7ed9CockroachDB\u65bd\u52a0\u538b\u529b"},"content":{"rendered":"<p>\u8bf7\u5141\u8bb8\u6211\u5728\u5723\u8bde\u524d\u5915\u5411\u60a8\u4ecb\u7ecd\u4e00\u4e2a\u5e26\u6709\u4e0d\u5409\u540d\u5b57\u7684\u4ea7\u54c1\u3002<br \/>\n\u7531\u4e8e\u73b0\u5728\u662f2016\u5e7412\u670824\u65e5\uff0c\u5173\u4e8e\u8fd9\u4e2a\u4ea7\u54c1\u7684\u4e2d\u6587\u4fe1\u606f\u5e76\u4e0d\u591a\uff0c\u5e0c\u671b\u80fd\u5f15\u8d77\u60a8\u7684\u4e00\u4e1d\u5174\u8da3\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d9258913a08637a6e241d\/1-0.png\" alt=\"cockroach_db.png\" \/><\/div>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u672c\u5730\u7684\u4e2d\u6587\u91ca\u4e49\uff1a<br \/>\nhttps:\/\/github.com\/cockroachdb\/cockroach<br \/>\nhttps:\/\/www.cockroachlabs.com\/ &#8211; \u8fd9\u662f\u4e00\u4e2a\u7f51\u7ad9\u5730\u5740\u3002<\/p>\n<h2>\u4f60\u77e5\u9053CockroachDB\u5417\uff1f<\/h2>\n<p>\u8fd9\u4e2a\u9ed1\u8272\u751f\u7269\u540d\u5b57\u76f8\u5173\u7684\u5206\u5e03\u5f0fSQL\u6570\u636e\u5e93\uff0c\u5728\u592a\u53e4\u65f6\u4ee3\u81f3\u4eca\u4ee5\u4e0d\u5c48\u7684\u751f\u547d\u529b\u5728\u5730\u7403\u4e0a\u751f\u5b58\u3002\u5b83\u5177\u5907ACID\u4e8b\u52a1\uff0c\u5e76\u88ab\u5f52\u7c7b\u4e3a\u6240\u8c13\u7684&#8221;NewSQL&#8221;\u3002<\/p>\n<p>P2P\u67b6\u6784\u5177\u6709\u575a\u97e7\u6027\uff0c\u5373\u4f7f\u6570\u636e\u4e2d\u5fc3\u3001\u4e91\u548c\u7f51\u7edc\u88ab\u9694\u79bb\uff0c\u4e5f\u80fd\u6301\u7eed\u7a33\u5b9a\u8fd0\u884c\uff0c\u8fd9\u5c31\u50cf\u9ed1\u8272\u751f\u7269\u7684\u9690\u55bb\u4e00\u6837\u3002<\/p>\n<p>\u4e09\u4f4d\u5143Google\u7684\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u5171\u540c\u521b\u7acb\u4e86\u8fd9\u5bb6\u516c\u53f8\uff0c\u5e76\u57282016\u5e743\u6708\u4ece\u6295\u8d44\u8005\u90a3\u91cc\u83b7\u5f97\u4e862000\u4e07\u7f8e\u5143\u7684\u8d44\u91d1\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff082016\u5e7412\u670824\u65e5\uff09\uff0c\u4ed6\u4eec\u6b63\u5728\u8fdb\u884c\u591a\u6b21Beta\u7248\u672c\u7684\u53d1\u5e03\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5173\u4e8eRDB\u3001NoSQL\u3001NewSQL\u7684\u53c2\u8003\u8d44\u6599\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u53c2\u8003\uff1a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e8b\u59cb\u3081<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">http:\/\/qiita.com\/AkitsuguHirano\/items\/980de403cc7fe6c941e3<\/ul>\n<h2>CockroachDB\u7684\u7279\u70b9<\/h2>\n<p>\u5728\u5b98\u65b9\u6587\u6863\u4e2d\uff0c\u6709\u4e00\u4e2a\u4e0e\u5176\u4ed6RDB\/NoSQL\u8fdb\u884c\u6bd4\u8f83\u7684\u8868\u683c\u3002<\/p>\n<p>\u5177\u5907\u81ea\u52a8\u6269\u5c55\u3001\u6545\u969c\u5207\u6362\u548c\u6062\u590d\u529f\u80fd\uff0c\u8bbe\u8ba1\u80fd\u5728\u591a\u4e2a\u6570\u636e\u4e2d\u5fc3\u95f4\u4fdd\u8bc1\u4e0d\u4e22\u5931\uff0c\u540c\u65f6\u4e5f\u5177\u5907\u4e86\u652f\u6301\u4e8b\u52a1\u7684SQL\u6570\u636e\u5e93\uff0c\u5982\u68a6\u5883\u822c\u7684\u5438\u5f15\u529b\u3002<\/p>\n<div>\n<div class=\"post-table\">\nCockroachDBMySQLPostgreSQLOracleSQL ServerCassandraHBaseMongoDBDynamoDBAutomated ScalingYesNoNoNoNoYesYesYesYesAutomated FailoverYesOptionalOptionalOptionalOptionalYesYesYesYesAutomated RepairYesNoNoNoNoYesYesYesYesStrongly Consistent ReplicationYesNoNoOptionalOptionalOptionalNoNoYesConsensus-Based ReplicationYesNoNoNoNoOptionalNoNoYesDistributed TransactionsYesNoNoYesYesNoNoNoNo*ACID SemanticsYesYesYesYesYesNoRow-onlyDocument-onlyRow-only*Eventually Consistent ReadsNoYesYesYesYesYesYesYesYesSQLYesYesYesYesYesNoNoNoNoOpen SourceYesYesYesNoNoYesYesYesNoCommercial VersionNoOptionalNoYesYesOptionalOptionalOptionalYesSupportLimitedFullFullFullFullFullFullFullFull<\/div>\n<\/div>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u51fa\u5178<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">https:\/\/www.cockroachlabs.com\/docs\/cockroachdb-in-comparison.html<\/ul>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u5177\u5907\u4ee5\u4e0b\u7279\u70b9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u306fPostgreSQL\u306e\u30c9\u30e9\u30a4\u30d0\u3067\u63a5\u7d9a\u53ef\u80fd<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u7ba1\u7406\u753b\u9762\u3092\u642d\u8f09<\/ul>\n<h2>\u5b89\u88c5<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"builder_craig.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d9258913a08637a6e241d\/17-0.png\" alt=\"builder_craig.png\" \/><\/div>\n<p>\u73b0\u5728\uff0c\u4e3a\u4e86\u9a8c\u8bc1\u8fd9\u4e2a\u4e0e\u540d\u5b57\u76f8\u53cd\u7684\u6570\u636e\u5e93\u7684\u6f5c\u529b\u662f\u5426\u771f\u7684\u50cf\u68a6\u4e00\u6837\uff0c\u6211\u5c06\u6309\u7167\u5b98\u65b9\u7f51\u9875\u4e0a\u7684\u8bf4\u660e\u8fdb\u884c\u5b89\u88c5\u5c1d\u8bd5\u3002<\/p>\n<p>\u6211\u5c07\u5b83\u5b89\u88dd\u5728\u6211\u81ea\u5df1\u7684Macbook\uff082016\u5e74\u65e9\u671f\u6b3e\uff0c12\u82f1\u5bf8\uff09\u4e0a\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5982\u679c\u662f\u5728Windows\u7cfb\u7d71\u4e0a\uff0c\u9700\u8981\u4f7f\u7528Docker\u3002<\/p>\n<p>\u5728Mac\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u4e8c\u8fdb\u5236\u6587\u4ef6\u3001Homebrew\u6216Docker\u8fdb\u884c\u5b89\u88c5\u3002\u6b64\u6b21\u6211\u9009\u62e9\u4f7f\u7528\u4e86Homebrew\u6765\u5b89\u88c5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>brew <span class=\"nb\">install <\/span>https:\/\/raw.githubusercontent.com\/cockroachdb\/cockroach\/master\/build\/cockroach.rb\r\n<\/code><\/pre>\n<p>\u5927\u7ea6\u82b1\u4e8616\u5206\u949f\u624d\u5b8c\u6210\u5b89\u88c5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>cockroach version\r\nBuild Tag:   beta-20161208\r\nBuild Time:  2016\/12\/10 13:29:14\r\nPlatform:    darwin amd64\r\nGo Version:  go1.7.4\r\nC Compiler:  4.2.1 Compatible Apple LLVM 8.0.0 <span class=\"o\">(<\/span>clang-800.0.42.1<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<h2>\u8ba9\u6211\u4eec\u8bd5\u8bd5\u542f\u52a8<\/h2>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>cockroach start <span class=\"nt\">--background<\/span>\r\nCockroachDB node starting at 2016-12-10 22:47:06.030195226 +0900 JST\r\nbuild:      beta-20161208 @ 2016\/12\/10 13:29:14 <span class=\"o\">(<\/span>go1.7.4<span class=\"o\">)<\/span>\r\nadmin:      http:\/\/localhost:8080\r\nsql:        postgresql:\/\/root@localhost:26257?sslmode<span class=\"o\">=<\/span>disable\r\nlogs:       cockroach-data\/logs\r\nstore[0]:   <span class=\"nv\">path<\/span><span class=\"o\">=<\/span>cockroach-data\r\nstatus:     initialized new cluster\r\nclusterID:  3c53d4f4-5065-4e46-9d8b-747f07e54b6f\r\nnodeID:     1\r\n<\/code><\/pre>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cDB\u7aef\u53e3\u4f7f\u752826257\uff0c\u5e76\u4e14\u7ba1\u7406\u754c\u9762\u7684Web\u5e94\u7528\u7a0b\u5e8f\u4f7f\u75288080\u7aef\u53e3\u3002\u542f\u52a8\u975e\u5e38\u5feb\u901f\u3002<\/p>\n<h3>\u7ba1\u7406\u754c\u9762<\/h3>\n<p>\u5f53\u60a8\u8bbf\u95eehttp:\/\/localhost:8080\/\u65f6\uff0c\u5728\u542f\u52a8\u65f6\u51fa\u73b0\u5728\u63a7\u5236\u53f0\u4e2d\u7684\u5185\u5bb9\uff0c\u4f1a\u663e\u793a\u51fa\u4e0b\u9762\u8fd9\u6837\u4e00\u4e2a\u73b0\u4ee3\u5316\u7684\u4eea\u8868\u677f\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"Cockroach_Console.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d9258913a08637a6e241d\/29-0.png\" alt=\"Cockroach_Console.png\" \/><\/div>\n<h2>\u6559\u7a0b<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"SCENE_superhero_profile_craig.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d9258913a08637a6e241d\/31-0.png\" alt=\"SCENE_superhero_profile_craig.png\" \/><\/div>\n<p>\u8ba9\u6211\u4eec\u7acb\u5373\u52a8\u624b\u5c1d\u8bd5\u4e00\u4e0b\uff0c\u867d\u7136\u4e8b\u60c5\u8fd8\u6ca1\u6709\u5f00\u59cb\u3002\u9996\u5148\u542f\u52a8SQL Shell\uff0c\u7136\u540e\u786e\u8ba4\u5f53\u524d\u7684\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>cockroach sql\r\n<span class=\"c\"># Welcome to the cockroach SQL interface.<\/span>\r\n<span class=\"c\"># All statements must be terminated by a semicolon.<\/span>\r\n<span class=\"c\"># To exit: CTRL + D.<\/span>\r\n\r\nroot@:26257&gt; show database<span class=\"p\">;<\/span>\r\n+----------+\r\n| DATABASE |\r\n+----------+\r\n|          |\r\n+----------+\r\n<span class=\"o\">(<\/span>1 row<span class=\"o\">)<\/span>\r\n\r\nroot@:26257&gt; show <span class=\"nb\">users<\/span><span class=\"p\">;<\/span>\r\n+----------+\r\n| username |\r\n+----------+\r\n+----------+\r\n<span class=\"o\">(<\/span>0 rows<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u7136\uff0c\u6570\u636e\u5e93\u548c\u7528\u6237\u90fd\u8fd8\u6ca1\u6709\u4efb\u4f55\u8bb0\u5f55\u3002<br \/>\n\u9996\u5148\uff0c\u6211\u4f1a\u6309\u7167CockroachDB\u5b98\u65b9\u7f51\u7ad9\u4e0a\u63d0\u4f9b\u7684\u6559\u7a0b\u505a\u6570\u636e\u5e93\u3001\u7528\u6237\u548c\u8868\u7684\u521b\u5efa\u3002<\/p>\n<h3>\u7528\u6237\u521b\u5efa<\/h3>\n<p>\u521b\u5efa\u4e00\u4e2a\u540d\u4e3amaxroach\u7684\u7528\u6237\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>cockroach user <span class=\"nb\">set <\/span>maxroach\r\nINSERT 1\r\n<\/code><\/pre>\n<h3>\u521b\u5efa\u6570\u636e\u5e93\u5e76\u6388\u4e88\u6743\u9650<\/h3>\n<p>\u4f7f\u7528root\u7528\u6237\u521b\u5efa\u540d\u4e3abank\u7684\u6570\u636e\u5e93\uff0c\u5e76\u5c06\u6240\u6709\u6743\u9650\u6388\u4e88maxroach\u7528\u6237\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>cockroach sql\r\nroot@:26257&gt; CREATE DATABASE bank<span class=\"p\">;<\/span>\r\nCREATE DATABASE\r\n\r\nroot@:26257&gt; GRANT ALL ON DATABASE bank TO maxroach<span class=\"p\">;<\/span>\r\nGRANT\r\n<\/code><\/pre>\n<h3>\u521b\u5efa\u8868<\/h3>\n<p>\u4f7f\u7528maxroach\u7528\u6237\u8fde\u63a5\u5230bank\u6570\u636e\u5e93\uff0c\u5e76\u521b\u5efa\u4e00\u4e2aaccounts\u8868\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>cockroach sql <span class=\"nt\">--database<\/span><span class=\"o\">=<\/span>bank <span class=\"nt\">--user<\/span><span class=\"o\">=<\/span>maxroach\r\n\r\nmaxroach@:26257&gt; CREATE TABLE accounts <span class=\"o\">(<\/span><span class=\"nb\">id <\/span>INT PRIMARY KEY, balance INT<span class=\"o\">)<\/span><span class=\"p\">;<\/span>\r\nCREATE TABLE\r\n<\/code><\/pre>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\u548c\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e00\u6837\uff0c\u611f\u89c9\u6ca1\u6709\u4ec0\u4e48\u4e0d\u540c\u7684\u5730\u65b9\u3002<\/p>\n<h3>\u6570\u636e\u8f93\u5165<\/h3>\n<p>\u672c\u7f51\u7ad9\u4e3a\u6bcf\u79cd\u8bed\u8a00\u63d0\u4f9b\u4e86\u793a\u4f8b\u7a0b\u5e8f\uff0c\u8bf7\u8bbf\u95eehttps:\/\/www.cockroachlabs.com\/docs\/build-a-test-app.html<\/p>\n<p>\u6211\u5011\u9700\u8981\u5728account\u8cc7\u6599\u8868\u4e2d\u63d2\u5165\u5169\u7b46\u8cc7\u6599\uff0c\u4e26\u5c07\u9019\u4e9b\u8cc7\u6599\u986f\u793a\u5728\u6a19\u6e96\u8f38\u51fa\u4e2d\u3002<\/p>\n<p>\u7531\u4e8eCockroachDB\u662f\u7528Go\u8bed\u8a00\u7f16\u5199\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u8fd9\u6b21\u5c1d\u8bd5\u4f7f\u7528Go\u8bed\u8a00\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"s\">\"database\/sql\"<\/span>\r\n    <span class=\"s\">\"fmt\"<\/span>\r\n    <span class=\"s\">\"log\"<\/span>\r\n\r\n    <span class=\"n\">_<\/span> <span class=\"s\">\"github.com\/lib\/pq\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">db<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">sql<\/span><span class=\"o\">.<\/span><span class=\"n\">Open<\/span><span class=\"p\">(<\/span><span class=\"s\">\"postgres\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"postgresql:\/\/maxroach@localhost:26257\/bank?sslmode=disable\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error connection to the database: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/\/ Insert two rows into the \"accounts\" table.<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">Exec<\/span><span class=\"p\">(<\/span>\r\n        <span class=\"s\">\"INSERT INTO accounts (id, balance) VALUES (1, 1000), (2, 250)\"<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatal<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/\/ Print out the balances.<\/span>\r\n    <span class=\"n\">rows<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">Query<\/span><span class=\"p\">(<\/span><span class=\"s\">\"SELECT id, balance FROM accounts\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatal<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">defer<\/span> <span class=\"n\">rows<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Initial balances:\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">rows<\/span><span class=\"o\">.<\/span><span class=\"n\">Next<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">var<\/span> <span class=\"n\">id<\/span><span class=\"p\">,<\/span> <span class=\"n\">balance<\/span> <span class=\"kt\">int<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">rows<\/span><span class=\"o\">.<\/span><span class=\"n\">Scan<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">id<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">balance<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatal<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%d %d<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">id<\/span><span class=\"p\">,<\/span> <span class=\"n\">balance<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fdb\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>go get github.com\/lib\/pq\r\n\r\n<span class=\"nv\">$ <\/span>go run main.go\r\n\r\nInitial balances:\r\n1 1000\r\n2 250\r\n\r\n<\/code><\/pre>\n<p>\u606d\u559c\u4f60\u6210\u529f\u63d2\u5165\u4e86\u4e24\u6761\u6570\u636e\uff01<\/p>\n<h2>\u5c1d\u8bd5\u8fdb\u884c\u4ea4\u6613<\/h2>\n<p>\u6b64\u523b\u6b63\u5728\u6e2c\u8a66\u5169\u9805\u5167\u5bb9\u662f\u5426\u6b63\u5e38\u3002<\/p>\n<pre class=\"post-pre\"><code>maxroach@:26257&gt; SELECT <span class=\"k\">*<\/span> FROM accounts<span class=\"p\">;<\/span>\r\n+----+---------+\r\n| <span class=\"nb\">id<\/span> | balance |\r\n+----+---------+\r\n|  1 |    1000 |\r\n|  2 |     250 |\r\n+----+---------+\r\n<span class=\"o\">(<\/span>2 rows<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<h3>\u786e\u8ba4\u901a\u8fc7\u9519\u8bef\u56de\u6eda<\/h3>\n<p>\u6211\u5c06\u628a\u6837\u4f8b\u7a0b\u5e8f\u6539\u4e3a\u4f7f\u7528\u4e8b\u52a1\u7684\u5f62\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"s\">\"database\/sql\"<\/span>\r\n    <span class=\"s\">\"fmt\"<\/span>\r\n    <span class=\"s\">\"log\"<\/span>\r\n\r\n    <span class=\"n\">_<\/span> <span class=\"s\">\"github.com\/lib\/pq\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">db<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">sql<\/span><span class=\"o\">.<\/span><span class=\"n\">Open<\/span><span class=\"p\">(<\/span><span class=\"s\">\"postgres\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"postgresql:\/\/maxroach@localhost:26257\/bank?sslmode=disable\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error connection to the database: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/\/ start transaction<\/span>\r\n    <span class=\"n\">tx<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">Begin<\/span><span class=\"p\">()<\/span>\r\n\r\n    <span class=\"k\">if<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">tx<\/span><span class=\"o\">.<\/span><span class=\"n\">Exec<\/span><span class=\"p\">(<\/span>\r\n        <span class=\"s\">\"INSERT INTO accounts (id, balance) VALUES (3, 100), (4, 200)\"<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error insert: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"c\">\/\/ expect error<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">tx<\/span><span class=\"o\">.<\/span><span class=\"n\">Exec<\/span><span class=\"p\">(<\/span>\r\n        <span class=\"s\">\"INSERT INTO accounts (id, balance) VALUES (1, 100), (2, 200)\"<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error insert: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"c\">\/\/ commit transaction<\/span>\r\n    <span class=\"n\">tx<\/span><span class=\"o\">.<\/span><span class=\"n\">Commit<\/span><span class=\"p\">()<\/span>\r\n\r\n    <span class=\"c\">\/\/ Print out the balances.<\/span>\r\n    <span class=\"n\">rows<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">Query<\/span><span class=\"p\">(<\/span><span class=\"s\">\"SELECT id, balance FROM accounts\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatal<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">defer<\/span> <span class=\"n\">rows<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Initial balances:\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">rows<\/span><span class=\"o\">.<\/span><span class=\"n\">Next<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">var<\/span> <span class=\"n\">id<\/span><span class=\"p\">,<\/span> <span class=\"n\">balance<\/span> <span class=\"kt\">int<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">rows<\/span><span class=\"o\">.<\/span><span class=\"n\">Scan<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">id<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">balance<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatal<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%d %d<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">id<\/span><span class=\"p\">,<\/span> <span class=\"n\">balance<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u56e0\u4e3a\u7b2c\u4e8c\u6b21\u7684INSERT\u662f\u8981\u63d2\u5165\u5df2\u7ecf\u5b58\u5728\u7684\u4e3b\u952e\uff0c\u6240\u4ee5\u9884\u8ba1\u4f1a\u51fa\u73b0\u9519\u8bef\u3002\u90a3\u4e48\u6211\u4eec\u8bd5\u7740\u6267\u884c\u4e00\u4e0b\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>go run main.go\r\n\r\n2016\/12\/23 21:13:44 error insert 2: pq: duplicate key value <span class=\"o\">(<\/span><span class=\"nb\">id<\/span><span class=\"o\">)=(<\/span>1<span class=\"o\">)<\/span> violates unique constraint <span class=\"s2\">\"primary\"<\/span>\r\n<span class=\"nb\">exit <\/span>status 1\r\n<\/code><\/pre>\n<p>\u987a\u5229\u6267\u884c\u7ed3\u675f\u3002<br \/>\n\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u8c03\u7528Go\u8bed\u8a00\u7684log.Fatal\u7cfb\u5217\u65b9\u6cd5\u540e\u4f1a\u5bfc\u81f4\u9519\u8bef\u9000\u51fa\uff0c\u6240\u4ee5\u4e0d\u5fc5\u7279\u610f\u8fdb\u884c\u56de\u6eda\u6216\u8fd4\u56de\u3002<\/p>\n<p>\u53ea\u662f\u4e3a\u4e86\u786e\u8ba4\uff0c\u6211\u9009\u62e9\u4e86SELECT\uff0c\u6ca1\u6709\u95ee\u9898\u3002<br \/>\n\u786e\u5b9e\u80fd\u591f\u786e\u8ba4\u4e8b\u52a1\u53ef\u4ee5\u50cf\u5173\u7cfb\u6570\u636e\u5e93\u4e00\u6837\u4f7f\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code>maxroach@:26257&gt; SELECT <span class=\"k\">*<\/span> FROM accounts<span class=\"p\">;<\/span>\r\n+----+---------+\r\n| <span class=\"nb\">id<\/span> | balance |\r\n+----+---------+\r\n|  1 |    1000 |\r\n|  2 |     250 |\r\n+----+---------+\r\n<span class=\"o\">(<\/span>2 rows<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<h2>\u8bd5\u7740\u8f7b\u8f7b\u5730\u52a0\u70b9\u538b\u529b<\/h2>\n<p>\u4e3a\u4e86\u4e86\u89e3\u6027\u80fd\u5982\u4f55\uff0c\u6211\u4eec\u7a0d\u5fae\u52a0\u4e86\u70b9\u8d1f\u8f7d\u3002<br \/>\n\u6211\u4eec\u4f7f\u7528\u4e861000\u4e2a\u4f8b\u7a0b\uff0c\u6bcf\u4e2a\u4f8b\u7a0b\u63d2\u5165\u4e86100\u6761\u8bb0\u5f55\uff0c\u603b\u5171\u521b\u5efa\u4e8610\u4e07\u4e2a\u8bb0\u5f55\u3002<br \/>\n\u53e6\u5916\uff0c\u8003\u8651\u5230\u9700\u8981\u6709\u4e00\u4e9b\u6bd4\u8f83\u5bf9\u8c61\uff0c\u6211\u4eec\u4e5f\u5728SQLite3\u4e2d\u8fdb\u884c\u4e86\u7c7b\u4f3c\u7684\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"s\">\"database\/sql\"<\/span>\r\n    <span class=\"s\">\"log\"<\/span>\r\n    <span class=\"s\">\"sync\"<\/span>\r\n    <span class=\"s\">\"time\"<\/span>\r\n\r\n    <span class=\"n\">_<\/span> <span class=\"s\">\"github.com\/lib\/pq\"<\/span>\r\n    <span class=\"n\">_<\/span> <span class=\"s\">\"github.com\/mattn\/go-sqlite3\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">cockroachdb<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">sql<\/span><span class=\"o\">.<\/span><span class=\"n\">Open<\/span><span class=\"p\">(<\/span><span class=\"s\">\"postgres\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"postgresql:\/\/maxroach@localhost:26257\/bank?sslmode=disable\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error connection to the cockroach database: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"# CockroachDB\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">stressTest<\/span><span class=\"p\">(<\/span><span class=\"n\">cockroachdb<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"n\">sqlite3db<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">sql<\/span><span class=\"o\">.<\/span><span class=\"n\">Open<\/span><span class=\"p\">(<\/span><span class=\"s\">\"sqlite3\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\".\/bank.db\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error connection to the sqlite3 database: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"# SQLite3\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">stressTest<\/span><span class=\"p\">(<\/span><span class=\"n\">sqlite3db<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">stressTest<\/span><span class=\"p\">(<\/span><span class=\"n\">db<\/span> <span class=\"o\">*<\/span><span class=\"n\">sql<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">defer<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"c\">\/\/ start transaction<\/span>\r\n    <span class=\"n\">tx<\/span><span class=\"p\">,<\/span> <span class=\"n\">_<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">Begin<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"k\">var<\/span> <span class=\"n\">wg<\/span> <span class=\"n\">sync<\/span><span class=\"o\">.<\/span><span class=\"n\">WaitGroup<\/span>\r\n\r\n    <span class=\"n\">start<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Now<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Start test.\"<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"n\">i<\/span> <span class=\"o\">:=<\/span> <span class=\"m\">1<\/span><span class=\"p\">;<\/span> <span class=\"n\">i<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"m\">1000<\/span><span class=\"p\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">++<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">wg<\/span><span class=\"o\">.<\/span><span class=\"n\">Add<\/span><span class=\"p\">(<\/span><span class=\"m\">1<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">go<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">for<\/span> <span class=\"n\">j<\/span> <span class=\"o\">:=<\/span> <span class=\"m\">0<\/span><span class=\"p\">;<\/span> <span class=\"n\">j<\/span> <span class=\"o\">&lt;<\/span> <span class=\"m\">100<\/span><span class=\"p\">;<\/span> <span class=\"n\">j<\/span><span class=\"o\">++<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"k\">if<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">tx<\/span><span class=\"o\">.<\/span><span class=\"n\">Exec<\/span><span class=\"p\">(<\/span>\r\n                    <span class=\"s\">\"INSERT INTO accounts (id, balance) VALUES ($1, 1000)\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">i<\/span><span class=\"o\">*<\/span><span class=\"m\">100<\/span><span class=\"o\">+<\/span><span class=\"n\">j<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n                    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error insert: %s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n                <span class=\"p\">}<\/span>\r\n            <span class=\"p\">}<\/span>\r\n            <span class=\"n\">wg<\/span><span class=\"o\">.<\/span><span class=\"n\">Done<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"p\">}(<\/span><span class=\"n\">i<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">wg<\/span><span class=\"o\">.<\/span><span class=\"n\">Wait<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">tx<\/span><span class=\"o\">.<\/span><span class=\"n\">Commit<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"End test. \"<\/span><span class=\"p\">,<\/span> <span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Since<\/span><span class=\"p\">(<\/span><span class=\"n\">start<\/span><span class=\"p\">))<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u7ed3\u679c<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>go run rush.go\r\n2016\/12\/23 23:13:42 <span class=\"c\"># CockroachDB<\/span>\r\n2016\/12\/23 23:13:42 Start test.\r\n2016\/12\/23 23:15:08 End test.  1m26.310939943s\r\n2016\/12\/23 23:15:08 <span class=\"c\"># SQLite3<\/span>\r\n2016\/12\/23 23:15:08 Start test.\r\n2016\/12\/23 23:15:10 End test.  1.653004371s\r\n<\/code><\/pre>\n<p>\u7ecf\u8fc7\u591a\u6b21\u6d4b\u8bd5\u548c\u4f7f\u7528channel\u9650\u5236goroutine\u7684\u5e76\u884c\u5ea6\u7b49\u5c1d\u8bd5\uff0c\u6211\u752810\u4e07\u6b21INSERT\u5927\u7ea6\u82b1\u8d39\u4e8686\u79d2\u7684\u65f6\u95f4\uff0c\u6700\u7ec8\u7ed3\u679c\u662f\u6bcf\u79d2\u5904\u7406\u4e861100\u52301200\u4e2a\u8bf7\u6c42\u3002\uff08\u8fd9\u662f\u5173\u4e8e\u6211\u7684Macbook\u7684\u60c5\u51b5\uff09<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"Cockroach_Console 2.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d9258913a08637a6e241d\/70-0.png\" alt=\"Cockroach_Console 2.png\" \/><\/div>\n<p>\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0cSQLite3\u5728\u5904\u740610\u4e07\u6761\u8bb0\u5f55\u65f6\u53ef\u4ee5\u57281.6\u79d2\u5185\u5b8c\u6210\uff0c\u8fd9\u5c31\u6ca1\u4ec0\u4e48\u53ef\u6bd4\u6027\u4e86\u3002SQLite3\u5728\u4f5c\u4e3a\u5185\u5d4c\u6570\u636e\u5e93\u4f7f\u7528\u65f6\u786e\u5b9e\u975e\u5e38\u51fa\u8272\uff08\u7b11\uff09\u3002\u5f53\u7136\uff0cCockroachDB\u7ec4\u6210\u96c6\u7fa4\u540e\u6027\u80fd\u5e94\u8be5\u4f1a\u7ebf\u6027\u63d0\u5347\uff0c\u65e0\u6cd5\u7b80\u5355\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n<h2>\u7ed3\u675f<\/h2>\n<p>\u867d\u7136CockroachDB\u4ecd\u7136\u4e0d\u80fd\u4f7f\u7528JOIN\uff0c\u5e76\u4e14\u5728\u6027\u80fd\u65b9\u9762\u4ecd\u7136\u6709\u5f85\u63d0\u9ad8\uff0c\u56e0\u6b64\u5b83\u8fd8\u672a\u8fbe\u5230\u751f\u4ea7\u7ea7\u522b\u3002\u4f46\u5728NoSQL\u4e2d\uff0c\u6570\u636e\u8868\u8bbe\u8ba1\u5f80\u5f80\u6bd4\u8f83\u56f0\u96be\uff0c\u56e0\u6b64\u5f88\u591a\u4eba\u6e34\u671b\u51fa\u73b0\u4e00\u79cd\u7c7b\u4f3c\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7684\u80fd\u591f\u8fdb\u884c\u7ebf\u6027\u6269\u5c55\u7684\u6570\u636e\u5e93\u4ea7\u54c1\u3002<\/p>\n<p>\u6211\u5e0c\u671b\u660e\u5e74\u5723\u8bde\u591c\uff0c\u540d\u4e3a\u4e0d\u5409\u7684CockroachDB\u80fd\u591f\u5b9e\u73b0\u4e0d\u8fde\u7eed\u7684\u589e\u957f\u3002<\/p>\n<h2>\u8bf7\u5206\u522b\u53d6\u6837\u53c2\u8003<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">NewSQL\u306eCockroachDB\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u307f\u305f\uff5c\u30b5\u30a4\u30d0\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8 \u516c\u5f0f\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/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\">http:\/\/ameblo.jp\/principia-ca\/entry-11968223741.html<\/ul>\n<\/li>\n<\/ul>\n<p>\u30e6\u30cb\u30fc\u30af\u306a\u5206\u6563\u578b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9CockroachDB\u304c\u30b7\u30ea\u30fc\u30baA1\u3067$20M\u3092\u8abf\u9054\u3001\u8457\u540d\u6295\u8cc7\u5bb6\u305f\u3061\u304c\u5c06\u6765\u6027\u306b\u6ce8\u76ee | TechCrunch Japan<br \/>\nhttp:\/\/jp.techcrunch.com\/2016\/03\/31\/20160330cockroachdb-just-raised-20-million-from-benchmark-index-and-gv\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8bf7\u5141\u8bb8\u6211\u5728\u5723\u8bde\u524d\u5915\u5411\u60a8\u4ecb\u7ecd\u4e00\u4e2a\u5e26\u6709\u4e0d\u5409\u540d\u5b57\u7684\u4ea7\u54c1\u3002 \u7531\u4e8e\u73b0\u5728\u662f2016\u5e7412\u670824\u65e5\uff0c\u5173\u4e8e\u8fd9\u4e2a\u4ea7\u54c1\u7684\u4e2d\u6587\u4fe1\u606f\u5e76 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50563","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\/ 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