{"id":41470,"date":"2023-05-28T09:10:54","date_gmt":"2023-09-17T22:36:26","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/2022%e5%b9%b4%e6%ac%a7%e6%b4%b2pg-conf%e7%9a%84%e4%b8%bb%e8%a6%81%e5%86%85%e5%ae%b9%e6%a6%82%e8%bf%b0%e5%a6%82%e4%b8%8b%e3%80%82\/"},"modified":"2024-04-30T06:20:38","modified_gmt":"2024-04-29T22:20:38","slug":"2022%e5%b9%b4%e6%ac%a7%e6%b4%b2pg-conf%e7%9a%84%e4%b8%bb%e8%a6%81%e5%86%85%e5%ae%b9%e6%a6%82%e8%bf%b0%e5%a6%82%e4%b8%8b%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/2022%e5%b9%b4%e6%ac%a7%e6%b4%b2pg-conf%e7%9a%84%e4%b8%bb%e8%a6%81%e5%86%85%e5%ae%b9%e6%a6%82%e8%bf%b0%e5%a6%82%e4%b8%8b%e3%80%82\/","title":{"rendered":"2022\u5e74\u6b27\u6d32PG Conf\u7684\u4e3b\u8981\u5185\u5bb9\u6982\u8ff0\u5982\u4e0b"},"content":{"rendered":"

PG Conf EU 2022 in a nutshell\u7684\u7ffb\u8bd1\u5982\u4e0b\uff1a<\/p>\n

\u6b27\u6d32PG Conf 2022\u7b80\u4ecb\u3002<\/p>\n

2022\u5e7411\u67083\u65e5 – \u00c8r \u00e8r \u00e8r sh\u00ed y\u012b yu\u00e8 r\u00ec<\/p>\n

2022\u5e74\u6b27\u5ddePG Conf\u7684\u7b80\u4ecb<\/h1>\n

PG Conf EU 2022\u5728\u4e2d\u56fd\u5927\u9646\u53d6\u5f97\u4e86\u5de8\u5927\u6210\u529f\uff01\u6211\u4eec\u7684\u56e2\u961f\u64b0\u5199\u4e86\u8fd9\u7bc7\u62a5\u544a\uff0c\u91cd\u70b9\u4ecb\u7ecd\u4e86\u6211\u4eec\u6700\u559c\u6b22\u7684\u4f1a\u8bae\u8bae\u7a0b\u4ee5\u53ca\u6211\u4eec\u89c2\u5bdf\u5230\u7684PostgreSQL\u00ae\u793e\u533a\u8d8b\u52bf\u3002<\/p>\n

\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u5bf9\u4e8e\u6211\u4eec\u7684\u56e2\u961f\u6765\u8bf4\u662f\u4e00\u4e2a\u7e41\u5fd9\u7684\u6d3b\u52a8\u5b63\uff01\u5f53\u7136\uff0c\u6211\u4eec\u4e0d\u80fd\u9519\u8fc7\u4ece10\u670825\u65e5\u523028\u65e5\u5728\u5fb7\u56fd\u67cf\u6797\u4e3e\u884c\u7684\u7b2c12\u5c4a\u6b27\u6d32PostgreSQL\u5927\u4f1a\u3002\u6211\u4eec\u7684\u56e2\u961f\u6709\u5e78\u518d\u6b21\u4e0ePostgreSQL\u793e\u533a\u76f4\u63a5\u63a5\u89e6\uff0c\u8fdb\u884c\u6f14\u8bb2\uff0c\u5e76\u53c2\u4e0e\u5173\u4e8ePostgreSQL\u00ae\u4f7f\u7528\u6848\u4f8b\u548c\u6700\u65b0\u5f00\u53d1\u7684\u4ee4\u4eba\u5174\u594b\u7684\u8ba8\u8bba\u3002\u4e3a\u90a3\u4e9b\u6ca1\u6709\u53c2\u52a0\u6d3b\u52a8\u6216\u5df2\u9519\u8fc7\u6700\u4f73\u65f6\u673a\u7684\u4eba\uff0c\u6211\u4eec\u63a5\u4e0b\u6765\u6309\u65f6\u95f4\u987a\u5e8f\u5217\u51fa\u4e86\u6211\u4eec\u6700\u559c\u6b22\u7684\u4f1a\u8bae\u3002<\/p>\n

PostgreSQL\u00ae \u793e\u533a\u7684\u53d1\u5c55\u8d8b\u52bf<\/h3>\n

\u50cfPGConf EU\u8fd9\u6837\u7684\u6280\u672f\u6d3b\u52a8\u901a\u5e38\u5145\u6ee1\u4e86\u8be6\u7ec6\u7684\u5185\u5bb9\uff0c\u80fd\u591f\u53d1\u73b0\u8d8b\u52bf\u5e76\u7406\u89e3\u5de5\u5177\u7684\u5185\u90e8\u7ed3\u6784\u3002\u9ad8\u7ea7\u89c2\u6d4b\u6027\u3001\u6027\u80fd\u6539\u5584\u548c\u5173\u4e8e\u5de5\u5177\u7684\u8ba8\u8bba\u90fd\u5728\u4f1a\u573a\u5185\u5916\u5e7f\u6cdb\u8fdb\u884c\u3002<\/p>\n

PostgreSQL\u00ae\u7684\u6269\u5c55\u503c\u5f97\u7279\u522b\u8d5e\u626c\uff01\u6211\u4eec\u603b\u662f\u770b\u5230\u65b0\u7684\u529f\u80fd\u88ab\u6dfb\u52a0\u548c\u6539\u8fdb\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u548c\u6570\u636e\u5e93\u7ba1\u7406\u5458\u5728\u529f\u80fd\u6027\u3001\u5907\u4efd\u548c\u8fc1\u79fb\u65b9\u9762\u7684\u5de5\u4f5c\u53d8\u5f97\u66f4\u52a0\u8f7b\u677e\u3002<\/p>\n

\u5173\u4e8ePostgreSQL\u00ae\u793e\u533a\uff0c\u6211\u4eec\u89c2\u5bdf\u5230\u4e00\u4e2a\u7279\u522b\u7684\u8d8b\u52bf\uff0c\u5373\u79ef\u6781\u53c2\u4e0e\u7684\u7528\u6237\u3001\u516c\u5171\u8bba\u575b\u7684\u53c2\u4e0e\u8005\u4ee5\u53ca\u8d21\u732e\u8005\u6570\u91cf\u7a33\u6b65\u589e\u52a0\u3002\u7c7b\u4f3c\u4e8eGoogle Summer of Code\u7684\u6d3b\u52a8\u6709\u52a9\u4e8e\u66f4\u591a\u4eba\u53c2\u4e0e\u5230PostgreSQL\u00ae\u4e2d\uff0c\u5e76\u4e3a\u9879\u76ee\u63d0\u4f9b\u65b0\u9c9c\u7684\u521b\u65b0\u773c\u5149\u548c\u529b\u91cf\u3002<\/p>\n

\u4e3b\u9898\u6f14\u8bb2\uff1a\u901a\u8fc7SQL\/PGQ\u8fdb\u884c\u9ad8\u6548\u7684\u56fe\u89e3\u6790<\/h3>\n

\u5982\u679c\u6ca1\u6709\u4ee5\u57fa\u8c03\u6f14\u8bb2\u5f00\u59cb\uff0c\u5c31\u4e0d\u80fd\u79f0\u4e4b\u4e3a\u6d3b\u52a8\u603b\u7ed3\u3002\u5e78\u8fd0\u7684\u662f\uff0cPG Conf EU 2022\u7684\u57fa\u8c03\u6f14\u8bb2\u975e\u5e38\u51fa\u8272\uff01\u5f7c\u5f97\u00b7\u90a6\u8328\u4ee5\u5bf9\u5173\u7cfb\u6570\u636e\u5e93\u7cfb\u7edf\u9ad8\u6548\u5206\u6790\u548c\u56fe\u5f62\u67e5\u8be2\u7684\u6709\u8da3\u8ba8\u8bba\u62c9\u5f00\u4e86\u4f1a\u8bae\u7684\u5e8f\u5e55\u3002\u7279\u522b\u662f\uff0c\u4ed6\u6df1\u5165\u63a2\u8ba8\u4e86SQL\/PGQ\u3002SQL\/PGQ\u8ba1\u5212\u5728\u672a\u6765\u7684\u6807\u51c6SQL:2023\u4e2d\u652f\u6301\u5c5e\u6027\u56fe\u67e5\u8be2\u3002<\/p>\n

\"\u57fa\u8abf\u8b1b\u6f14\u3092\u898b\u5b88\u308b\u6e80\u54e1\u306e\u8074\u8846\"<\/div>\n

\u5728\u6211\u4eec\u7684\u9ad8\u7ea7\u5f00\u53d1\u8005\u5021\u5bfc\u8005Francesco Tisiot\u7684\u6f14\u8bb2\u4e2d\uff0c\u4ed6\u5c55\u793a\u4e86\u56fe\u6570\u636e\u65b9\u6cd5\u5728\u7ba1\u7406\u670d\u52a1\u5143\u6570\u636e\u65b9\u9762\u7684\u5b9e\u7528\u6027\uff0c\u4ee5\u53ca\u9012\u5f52\u67e5\u8be2\u5728PostgreSQL\u00ae\u4e2d\u7684\u5e2e\u52a9\u3002\u8fd9\u662f\u5143\u6570\u636e\u89e3\u6790\u5668\u9879\u76ee\u7684\u4e00\u90e8\u5206\uff0c\u5e76\u5df2\u5728GitHub\u4e0a\u4ee5\u5f00\u6e90\u65b9\u5f0f\u53d1\u5e03\u3002<\/p>\n

BRIN \u7684\u6539\u8fdb\u548c\u65b0\u7684\u64cd\u4f5c\u7c7b\u522b (BRIN de h\u00e9 de<\/h3>\n

\u5728Tomas Vondra\u5148\u751f\u5173\u4e8eBRIN\uff08Block Range Index\uff09\u7684\u6f14\u8bb2\u4e2d\uff0c\u6211\u4eec\u83b7\u5f97\u4e86\u975e\u5e38\u6709\u8da3\u7684\u89c1\u89e3\u3002\u9996\u5148\uff0cTomas\u5411\u521d\u5b66\u8005\u89e3\u91ca\u4e86BRIN\u7d22\u5f15\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u7136\u540e\u4ecb\u7ecd\u4e86\u6700\u8fd1\u5728PostgreSQL\u00ae 14\u4e2d\u5f15\u5165\u7684\u6700\u65b0\u529f\u80fd\uff0c\u7279\u522b\u662fminmax-multi\u548cbloom opclass\uff01\u5f53\u7136\uff0cTomas\u8fdb\u884c\u4e86\u6f14\u793a\uff0c\u5e76\u8ba8\u8bba\u4e86\u5173\u4e8e\u6539\u8fdb\u7d22\u5f15\u7684\u672a\u6765\u60f3\u6cd5\uff0c\u6700\u540e\u7ed3\u675f\u4e86\u6f14\u8bb2\u3002\u6211\u4eec\u5e0c\u671b\u8bb8\u591a\u4eba\u5173\u6ce8PostgreSQL\u00ae\u5728\u8fd9\u4e2a\u9886\u57df\u7684\u53d1\u5c55\uff0c\u5e76\u5e0c\u671b\u5927\u5bb6\u80fd\u591f\u8d21\u732e\u81ea\u5df1\u7684\u60f3\u6cd5\uff01<\/p>\n

\u5728GitLab.com\u4e0a\u4f7f\u7528\u7684PostgreSQL\u00ae<\/h3>\n

\u5bf9\u4e8e\u6e34\u671bPostgreSQL\u00ae\u5e94\u7528\u6848\u4f8b\u7684\u4eba\u6765\u8bf4\uff0cGitLab\u7684Alexander Sosna\u548cJose Finotto\u7684\u6f14\u8bb2\u662f\u975e\u5e38\u503c\u5f97\u503e\u542c\u7684\u3002Alexander\u548cJose\u7279\u522b\u5173\u6ce8\u76d1\u63a7\u4e2d\u7684\u5177\u4f53\u95ee\u9898\uff0c\u4ee5\u53ca\u5982\u4f55\u5229\u7528PostgreSQL\u00ae\u7684\u5de5\u5177pgexporters\u548cpg_stats\u8fdb\u884c\u76d1\u63a7\u3002<\/p>\n

\"GitLab\u30b9\u30d4\u30fc\u30ab\u30fc\u306e\u30d7\u30ec\u30bc\u30f3\u3092\u898b\u3066\u3044\u308b\u8074\u8846\"<\/div>\n

\u5982\u679c\u6709\u4eba\u542c\u8fc7\u4ed6\u4eec\u5728PGConf.DE 2022\u4e0a\u7684\u6f14\u8bb2\uff0c\u53ef\u80fd\u4f1a\u5bf9\u57fa\u4e8e\u5927\u578b\u6570\u636e\u5e93\u7684\u5de5\u4f5c\u8d1f\u8f7d\u5206\u5272\u4ee5\u53ca\u5728\u9002\u5f53\u5927\u5c0f\u5b9e\u4f8b\u4e0a\u63d0\u4f9b\u670d\u52a1\u7684\u822a\u7a7a\u7cfb\u7edf\u5206\u89e3\u9879\u76ee\u7684\u7ed3\u679c\u611f\u5174\u8da3\u3002<\/p>\n

PostgreSQL\u00ae\u7684\u5c0f\u6280\u5de7\uff1a\u6027\u80fd\u4f18\u5316\u3001ftrace\u3001bpftrace\u3002<\/h3>\n

Dmitrii Dolgov \u5148\u751f\u901a\u8fc7\u4e00\u4e2a\u975e\u5e38\u751f\u52a8\u6d3b\u6cfc\u7684\u65c5\u7a0b\u5411\u6211\u4eec\u4ecb\u7ecd\u4e86 perf\u3001bpftrace \u548c ftrace \u7684\u6f5c\u5728\u5e94\u7528\u3002\u867d\u7136\u8fd9\u4e9b\u5de5\u5177\u53ef\u80fd\u770b\u8d77\u6765\u8c61\u4f4e\u7ea7\u522b\u7684\u9b54\u6cd5\uff0c\u4f46 Dmitrii \u5c55\u793a\u4e86\u7b80\u5355\u7684\u4e00\u884c\u4ee3\u7801\uff0c\u5e76\u89e3\u91ca\u4e86\u5b83\u4eec\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\uff0c\u5305\u62ec\u5185\u6838\u57fa\u7840\u8bbe\u65bd\u7684\u6f14\u793a\u3002<\/p>\n

\u8fd9\u662f\u4e00\u6b21\u76f8\u5f53\u4e86\u4e0d\u8d77\u7684\u6210\u5c31\uff0c\u80fd\u591f\u7528\u5982\u6b64\u8be6\u7ec6\u4e14\u8282\u594f\u8fc5\u901f\u7684\u6280\u672f\u8bb2\u8bdd\u6765\u5438\u5f15\u542c\u4f17\uff0c\u8fd9\u5f88\u53ef\u80fd\u662f\u6211\u4eec\u56e2\u961f\u6700\u6709\u8bf4\u670d\u529b\u7684\u6545\u4e8b\u4e4b\u4e00\uff01\uff08\u4e5f\u8bb8\u662f\u56e0\u4e3a\u6211\u4eec\u7684PostgreSQL\u00ae\u5f00\u53d1\u8005Ronan Dunklau\u5728\u4f1a\u8bae\u7684\u6700\u540e\u4e00\u5929\u8c08\u5230\u4e86\u540c\u6837\u7684\u5de5\u5177\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u80fd\u6709\u4e9b\u504f\u89c1?\uff09\u3002<\/p>\n

\u7528\u4e8eNeon\u548cPostgreSQL\u00ae\u7684\u539f\u751f\u4e91\u5b58\u50a8\u540e\u7aef\u3002<\/h3>\n

\u6211\u5bf9Heikki Linnakangas\u5148\u751f\u5173\u4e8e\u4ed6\u7684\u65b0\u4ea7\u54c1Neon\u4e0ePostgreSQL\u00ae\u4e4b\u95f4\u7684\u533a\u522b\u7684\u6280\u672f\u6f14\u793a\u975e\u5e38\u611f\u5174\u8da3\u3002Neon\u662f\u4e0eAurora\u7ade\u4e89\u7684\u5f00\u6e90\u4ea7\u54c1\uff0c\u63d0\u4f9b\u4e86\u5373\u65f6\u5206\u652f\u548c\u95ea\u56de\u67e5\u8be2\u7b49\u975e\u5e38\u72ec\u7279\u7684\u529f\u80fd\u3002\u4e3a\u4e86\u7b80\u6d01\u8d77\u89c1\uff0c\u6211\u4e0d\u4f1a\u8be6\u7ec6\u4ecb\u7ecd\u5176\u8be6\u7ec6\u67b6\u6784\u6982\u8ff0\uff08\u867d\u7136\u6211\u542c\u5230\u4e86\u975e\u5e38\u6709\u8da3\u7684\u5185\u5bb9\uff01\uff09\u3002\u6211\u4eec\u7279\u522b\u88abNeon\u4fdd\u5b58WAL\u5e76\u521b\u5efa\u7d22\u5f15\u7684\u65b9\u6cd5\u6240\u5438\u5f15\uff01\u8fd9\u5177\u6709\u6f5c\u5728\u7684\u51fa\u8272\u7528\u4f8b\uff0c\u4f8b\u5982\u53ea\u6062\u590d\u7279\u5b9a\u7684\u5757\u3001\u52a0\u901f\u5907\u4efd\u548c\u6062\u590d\u8fc7\u7a0b\u7b49\u3002<\/p>\n

MVCC \u89e3\u5256<\/h3>\n

\u5982\u679c\u4ee5\u524d\u5bf9\u591a\u7248\u672c\u5e76\u53d1\u63a7\u5236(MVCC)\u4e00\u65e0\u6240\u77e5\uff0cBruce Momjian\u5148\u751f\u7684\u6f14\u8bb2\u5bf9\u4e8e\u63a2\u7d22PostgreSQL\u00ae\u6700\u57fa\u672c\u67b6\u6784\u51b3\u7b56\u4e4b\u4e00\u7684MVCC\u975e\u5e38\u6709\u5e2e\u52a9\u3002\u867d\u7136\u6f14\u8bb2\u7684\u5927\u90e8\u5206\u65f6\u95f4\u90fd\u82b1\u5728\u4e86MVCC\u7684\u57fa\u7840\u4e0a\uff0c\u4f46\u5c3d\u7ba1\u8fd9\u662f\u4e00\u4e2a\u590d\u6742\u7684\u4e3b\u9898\uff0cBruce\u80fd\u591f\u5728\u56de\u7b54\u95ee\u9898\u7684\u540c\u65f6\uff0c\u5de7\u5999\u5730\u89e3\u91ca\u7ed9\u542c\u4f17\u5bb9\u6613\u7406\u89e3\u3002Bruce\u7b80\u8981\u89e3\u91ca\u4e86MVCC\u7684\u590d\u6742\u90e8\u5206\uff08cmin\u3001cmax\u3001HOT\u66f4\u65b0\u3001VACUUM\uff09\u7684\u529f\u80fd\uff0c\u5e76\u4ee5\u975e\u5e38\u6109\u5feb\u7684\u53e3\u543b\u7ed3\u675f\u4e86\u6f14\u8bb2\u3002\u5efa\u8bae\u67e5\u770b\u6f14\u793a\u6587\u7a3f\u4ee5\u4e86\u89e3\u66f4\u591a\u8be6\u60c5\u3002<\/p>\n

\u5728Patroni\u4e2d\u5b9e\u73b0\u903b\u8f91\u590d\u5236\u69fd\u7684\u6545\u969c\u8f6c\u79fb\u3002<\/h3>\n

\u5728Alexander Kukushkin\u7684\u6f14\u8bb2\u4e2d\uff0c\u4ecb\u7ecd\u4e86\u4e00\u4e2a\u4e86\u4e0d\u8d77\u7684\u6280\u5de7\uff0c\u5373\u5728\u5f85\u673a\u6a21\u5f0f\u4e0b\u7ef4\u62a4\u903b\u8f91\u590d\u5236\u63d2\u69fd\u6240\u9700\u7684\u6240\u6709\u57fa\u7840\u8bbe\u65bd\u5df2\u7ecf\u5b58\u5728\uff01\u8fd9\u662fPostgreSQL\u00ae\u7684\u9690\u85cf\u529f\u80fd\uff0c\u6ca1\u6709\u9002\u5f53\u7684\u6587\u6863\uff0c\u4e5f\u6ca1\u6709\u63d0\u4f9b\u521b\u5efa\u903b\u8f91\u590d\u5236\u63d2\u69fd\u7684\u65b9\u6cd5\u3002<\/p>\n

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