Lua\u811a\u672c<\/p>\n
local key = 'cardPool.'..KEYS[1]..'-stock' -- redis\u4e2d\u4ee4\u724c\u6876\u5bf9\u8c61\u7684key\r\nlocal initTokens = tonumber(KEYS[2]) -- {\u521d\u59cb\u5316\u65f6\u7684\u5e93\u5b58\u6570\u91cf}\r\n\r\nlocal bucket = redis.call('hgetall', key) -- \u5f53\u524d key \u7684\u4ee4\u724c\u6876\u5bf9\u8c61\r\nlocal currentTokens -- \u5f53\u524dtoken\u6570\u91cf\r\nlocal runCount -- \u7d2f\u8ba1\u8fd0\u884c\u6b21\u6570\u7edf\u8ba1\r\n\r\n-- \u82e5\u5f53\u524d\u6876\u672a\u521d\u59cb\u5316,\u5148\u521d\u59cb\u5316\u4ee4\u724c\u6876\r\nif table.maxn(bucket) == 0 then\r\n -- \u521d\u59cb\u6876\u5185\u4ee4\u724c\r\n currentTokens = initTokens\r\n runCount = 0\r\nelseif table.maxn(bucket) == 4 then\r\n currentTokens = tonumber(bucket[2])\r\n runCount = tonumber(bucket[4])\r\nend\r\n\r\n-- \u5982\u679c\u5f53\u524d\u6876\u5185\u4ee4\u724c\u5c0f\u4e8e 0,\u629b\u51fa\u5f02\u5e38\r\nassert(currentTokens >= 0)\r\n\r\n-- \u5982\u679c\u5f53\u524d\u4ee4\u724c == 0, \u8fd4\u56defalse\r\nif currentTokens == 0 then\r\n redis.call('hset', key, 'tokensRemaining', currentTokens)\r\n redis.call('hset', key, 'runCount', runCount + 1)\r\n return false\r\nelse\r\n -- \u5982\u679c\u5f53\u524d\u4ee4\u724c \u5927\u4e8e 0, \u66f4\u65b0\u5f53\u524d\u6876\u5185\u7684\u4ee4\u724c -1, \u8fd4\u56detrue\r\n redis.call('hset', key, 'tokensRemaining', currentTokens - 1)\r\n redis.call('hset', key, 'runCount', runCount + 1)\r\n return true\r\nend<\/pre>\nJAVA\u8fd0\u884cLua\u811a\u672c\uff1a<\/p>\n
\t\tDefaultRedisScript<Boolean> redisScript = new DefaultRedisScript<>();\r\n\t\tredisScript.setScriptSource(new ResourceScriptSource(new ClassPathResource(\"lua\/test.lua\")));\r\n\t\tredisScript.setResultType(Boolean.class);\r\n\r\n\t\tBoolean result = true;\r\n\t\tlong count = 0;\r\n\t\tdo{\r\n\t\t\tDate _startTime = new Date();\r\n\t\t\tList<String> keys = Arrays.asList(\"pool1\", \"10000\");\r\n\t\t\ttry{\r\n\t\t\t\tresult = redisTemplate.execute(redisScript, keys);\r\n\t\t\t}catch(Exception e){\r\n\t\t\t\te.printStackTrace();\r\n\t\t\t}\r\n\t\t\tDate _endTime = new Date();\r\n\t\t\tlong _timeCross = _endTime.getTime()- _startTime.getTime();\r\n\t\t\tcount++;\r\n\t\t\tSystem.out.println(\"lua\u7684\u7b2c\"+count+\"\u6b21\u6267\u884c\u82b1\u4e86\"+_timeCross+\"\u6beb\u79d2\");\r\n\t\t}while(result==true);<\/pre>\n\u6ce8\u610fhgetall\u8fd4\u56de\u7684redis\u53d8\u91cf\u8bfb\u53d6\u65b9\u5f0f<\/p>\n","protected":false},"excerpt":{"rendered":"
Lua\u811a\u672c local key = ‘cardPool.’..KEYS[1]..’-stock’ — red […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-795","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=795"}],"version-history":[{"count":1,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/795\/revisions"}],"predecessor-version":[{"id":796,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/795\/revisions\/796"}],"wp:attachment":[{"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=795"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.sway.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}