{"id":164689,"date":"2024-11-05T10:00:33","date_gmt":"2024-11-05T02:00:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/164689\/"},"modified":"2024-11-05T10:00:35","modified_gmt":"2024-11-05T02:00:35","slug":"%e9%96%8b%e7%99%bc%e8%80%85%e5%80%91%e5%bf%bd%e8%a6%96%e7%9a%84redis%e4%b8%ad%e9%ae%ae%e7%82%ba%e4%ba%ba%e7%9f%a5%e7%9a%84%e5%ad%98%e5%84%b2%e9%a1%9e%e5%9e%8b%ef%bc%88redis%e6%af%94%e8%bc%83%e5%b0%91","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/164689\/","title":{"rendered":"\u958b\u767c\u8005\u5011\u5ffd\u8996\u7684Redis\u4e2d\u9bae\u70ba\u4eba\u77e5\u7684\u5b58\u5132\u985e\u578b\uff08redis\u6bd4\u8f03\u5c11\u7528\u7684\u985e\u578b\uff09"},"content":{"rendered":"<h1 id=\"%e9%96%8b%e7%99%bc%e8%80%85%e5%80%91%e5%bf%bd%e8%a6%96%e7%9a%84redis%e4%b8%ad%e9%ae%ae%e7%82%ba%e4%ba%ba%e7%9f%a5%e7%9a%84%e5%ad%98%e5%84%b2%e9%a1%9e%e5%9e%8b-pyoapVYEkN\">\u958b\u767c\u8005\u5011\u5ffd\u8996\u7684Redis\u4e2d\u9bae\u70ba\u4eba\u77e5\u7684\u5b58\u5132\u985e\u578b<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u96d6\u7136\u8a31\u591a\u958b\u767c\u8005\u719f\u6089Redis\u7684\u57fa\u672c\u6578\u64da\u985e\u578b\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\uff0c\u4f46\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u9084\u6709\u4e00\u4e9b\u9bae\u70ba\u4eba\u77e5\u7684\u5b58\u5132\u985e\u578b\uff0c\u9019\u4e9b\u985e\u578b\u5728\u7279\u5b9a\u60c5\u6cc1\u4e0b\u80fd\u5920\u63d0\u4f9b\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u3002<\/p>\n<h2 id=\"1-hyperloglog-pyoapVYEkN\">1. HyperLogLog<\/h2>\n<p>HyperLogLog\u662f\u4e00\u7a2e\u7528\u65bc\u8a08\u7b97\u57fa\u6578\u7684\u6982\u7387\u6027\u6578\u64da\u7d50\u69cb\u3002\u5b83\u80fd\u5920\u5728\u4f7f\u7528\u6975\u5c11\u5167\u5b58\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f30\u7b97\u51fa\u7368\u7279\u5143\u7d20\u7684\u6578\u91cf\u3002\u9019\u5c0d\u65bc\u9700\u8981\u7d71\u8a08\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u7db2\u7ad9\u8a2a\u554f\u8005\u7684\u552f\u4e00\u8a08\u6578\u3002<\/p>\n<pre><code>SET my_hll_key \"my_hll_value\"\nPFADD my_hll_key \"element1\" \"element2\" \"element3\"\nPFCOUNT my_hll_key\n<\/code><\/pre>\n<p>\u4f7f\u7528HyperLogLog\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u4e0d\u9700\u8981\u5b58\u5132\u6240\u6709\u5143\u7d20\u7684\u60c5\u6cc1\u4e0b\uff0c\u5feb\u901f\u7372\u5f97\u7368\u7279\u5143\u7d20\u7684\u6578\u91cf\uff0c\u9019\u6a23\u53ef\u4ee5\u7bc0\u7701\u5927\u91cf\u7684\u5167\u5b58\u3002<\/p>\n<h2 id=\"2-bitmaps-pyoapVYEkN\">2. Bitmaps<\/h2>\n<p>Bitmaps\u662f\u4e00\u7a2e\u7528\u65bc\u8655\u7406\u4e8c\u9032\u5236\u6578\u64da\u7684\u6578\u64da\u7d50\u69cb\u3002\u5b83\u5011\u53ef\u4ee5\u7528\u4f86\u8868\u793a\u4e00\u7d44\u5e03\u723e\u503c\uff0c\u4e26\u4e14\u5728\u5167\u5b58\u4e2d\u4ee5\u4f4d\u7684\u5f62\u5f0f\u5b58\u5132\u3002\u9019\u4f7f\u5f97Bitmaps\u5728\u9700\u8981\u9032\u884c\u5927\u91cf\u5e03\u723e\u904b\u7b97\u7684\u5834\u666f\u4e2d\u975e\u5e38\u9ad8\u6548\u3002<\/p>\n<pre><code>SETBIT my_bitmap 0 1\nSETBIT my_bitmap 1 1\nGETBIT my_bitmap 0\n<\/code><\/pre>\n<p>Bitmaps\u5e38\u7528\u65bc\u7528\u6236\u884c\u70ba\u8ffd\u8e64\u3001\u65e5\u8a8c\u5206\u6790\u7b49\u5834\u666f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528\u5b83\u5011\u4f86\u5feb\u901f\u67e5\u8a62\u548c\u66f4\u65b0\u7528\u6236\u7684\u72c0\u614b\u3002<\/p>\n<h2 id=\"3-geospatial-indexes-pyoapVYEkN\">3. Geospatial Indexes<\/h2>\n<p>Redis\u7684\u5730\u7406\u7a7a\u9593\u7d22\u5f15\u529f\u80fd\u5141\u8a31\u958b\u767c\u8005\u5b58\u5132\u548c\u67e5\u8a62\u5730\u7406\u4f4d\u7f6e\u6578\u64da\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5730\u7406\u4f4d\u7f6e\u670d\u52d9\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\u975e\u5e38\u91cd\u8981\uff0c\u4f8b\u5982\u67e5\u627e\u9644\u8fd1\u7684\u5546\u5e97\u6216\u670d\u52d9\u3002<\/p>\n<pre><code>GEOADD my_geo_key 13.361389 38.115556 \"Palermo\"\nGEOADD my_geo_key 15.087269 37.502669 \"Catania\"\nGEODIST my_geo_key \"Palermo\" \"Catania\" km\n<\/code><\/pre>\n<p>\u901a\u904e\u4f7f\u7528\u5730\u7406\u7a7a\u9593\u7d22\u5f15\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c\u7bc4\u570d\u67e5\u8a62\u548c\u8ddd\u96e2\u8a08\u7b97\uff0c\u9019\u5728\u8a31\u591a\u57fa\u65bc\u4f4d\u7f6e\u7684\u61c9\u7528\u4e2d\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n<h2 id=\"4-streams-pyoapVYEkN\">4. Streams<\/h2>\n<p>Streams\u662f\u4e00\u7a2e\u65b0\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5c08\u70ba\u8655\u7406\u5be6\u6642\u6578\u64da\u6d41\u800c\u8a2d\u8a08\u3002\u5b83\u5011\u652f\u6301\u6d88\u606f\u7684\u6301\u4e45\u5316\u548c\u6d88\u8cbb\u8005\u7d44\u7684\u6982\u5ff5\uff0c\u9019\u4f7f\u5f97Streams\u975e\u5e38\u9069\u5408\u7528\u65bc\u6d88\u606f\u968a\u5217\u548c\u4e8b\u4ef6\u9a45\u52d5\u67b6\u69cb\u3002<\/p>\n<pre><code>XADD my_stream * key1 value1 key2 value2\nXREAD COUNT 2 STREAMS my_stream $\n<\/code><\/pre>\n<p>Streams\u7684\u5f15\u5165\u4f7f\u5f97Redis\u5728\u8655\u7406\u5be6\u6642\u6578\u64da\u6d41\u65b9\u9762\u8b8a\u5f97\u66f4\u52a0\u9748\u6d3b\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528\u5b83\u5011\u4f86\u69cb\u5efa\u9ad8\u6548\u7684\u6d88\u606f\u8655\u7406\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"5-sets-with-expiration-pyoapVYEkN\">5. Sets with Expiration<\/h2>\n<p>\u96d6\u7136\u96c6\u5408\uff08Sets\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4f46Redis\u9084\u652f\u6301\u70ba\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u6709\u7528\u3002<\/p>\n<pre><code>SADD my_set \"element1\"\nEXPIRE my_set 3600\n<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u96c6\u5408\u4e2d\u7684\u6578\u64da\u4e0d\u6703\u7121\u9650\u589e\u9577\uff0c\u5f9e\u800c\u6709\u6548\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-pyoapVYEkN\">\u7e3d\u7d50<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u5b58\u5132\u985e\u578b\uff0c\u9664\u4e86\u5e38\u898b\u7684\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u5916\uff0c\u9084\u6709HyperLogLog\u3001Bitmaps\u3001Geospatial Indexes\u3001Streams\u548c\u5e36\u904e\u671f\u6642\u9593\u7684\u96c6\u5408\u7b49\u9bae\u70ba\u4eba\u77e5\u7684\u985e\u578b\u3002\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u5728\u7279\u5b9a\u5834\u666f\u4e0b\u80fd\u5920\u63d0\u4f9b\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u958b\u767c\u8005\u61c9\u8a72\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u4f86\u512a\u5316\u61c9\u7528\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u4e2d\u9bae\u70ba\u4eba\u77e5\u7684\u5b58\u5132\u985e\u578b\uff0c\u63ed\u793a\u958b\u767c\u8005\u5011\u5e38\u5ffd\u8996\u7684\u529f\u80fd\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u8207\u6027\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-164689","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164689","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=164689"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164689\/revisions"}],"predecessor-version":[{"id":164690,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/164689\/revisions\/164690"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=164689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=164689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=164689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}