Amazon DynamoDB Accelerator (DAX) を使ã£ã¦ã¿ãŸ - Qiitaçµæžœã¯æ˜Žã‹ã§ã€å°Žå…¥å¾Œã¯DAXã®ã‚ャッシュ機構ã«ã‚ˆã‚Šã‚¹ãƒ«ãƒ¼ãƒ—ットå‘上を確èªã§ãã¾ã—ãŸã€‚ 本検証ã§å®Ÿè¡Œã—ãŸNodeJSã®ã‚³ãƒ¼ãƒ‰ 環境変数DAXã®æœ‰ç„¡ã§ã€DAXã®åˆ©ç”¨æœ‰ç„¡ã‚’切り替ãˆã‚‰ã‚Œã‚‹ã‚ˆã†ã«ã—ã¾ã—ãŸã€‚ DocumentClientを利用ã—ã¦ã„ã‚Œã°ã€æ—¢å˜ã‚³ãƒ¼ãƒ‰ã‚’ã»ã¼å¤‰æ›´ã›ãšå°Žå…¥ã§ãã‚‹ã¨æ€ã„ã¾ã™ã€‚ åŽŸå› ã¯ã‚ã‹ã‚Šã¾ã›ã‚“ãŒã€MalformedResultExceptionãŒã‚¨ãƒ©ãƒ¼ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã§è¿”å´ã•ã‚Œã‚‹ã“ã¨ãŒã‚ã‚‹ã®ã§ã€ãƒªãƒˆãƒ©ã‚¤ã•ã›ã‚‹ã“ã¨ã§å¯¾å¿œã—ã¾ã—ãŸã€‚ ã“ã®ãƒ¡ãƒˆãƒªã‚¯ã‚¹ã®ã€Œå¤±æ•—ã—ãŸãƒªã‚¯ã‚¨ã‚¹ãƒˆã®æ•°ã€ã«ã‚‚カウントã•ã‚Œãªã„ã®ã§ã€ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°ã™ã‚‹ã“ã¨ãŒæœ›ã¾ã—ã„ã§ã™ã€‚ const AWS = require('aws-sdk'); const AmazonDaxClient = require('amazon-dax-client'); const _ = require('lodash'); const asyn
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