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albで繋がりにくいことがあるのを解消 | プログラムの種 ブログ
Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /home/php-seed/www/blog/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

albで繋がりにくいことがあるのを解消


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /home/php-seed/www/blog/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

AWSでケチケチ設計だとALBにインスタンス1つしかぶら下げてない、みたいなことあるじゃないですか。
そんな運用でどうにも接続が遅いときがあったんです。気がつくと繋がってる、みたいな。

EC2(http) <-> ALB(https) <-> the Internet

なんですが、

ロードバランサー属性のhttp/2がよくない!と聞き、それをoffにしたがあまり変わらず。。

問題は

アベイラビリティゾーンの選択で2つサブネットを選ぶところ、1つのサブネットがPrivateだったのが駄目、なのでした。

どうせ1つしかインスタンスつなげてないので、それにアクセスできるサブネットがPublicだったらいいじゃないか、と思いますよね?(浅はか)

もう1つpublicなサブネットを作り、2つともpublicなものにしたら直しました。メモメモ。

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