https://NineKoo9.github.io/ja/tags/keepalive/Recent content in Keepalive on NineKoo9's storyHugo -- gohugo.ioja© 2026 NineKoo9Sun, 01 Feb 2026 00:00:00 +0000https://NineKoo9.github.io/ja/posts/tcp-connection-keepalive/Sun, 01 Feb 2026 00:00:00 +0000https://NineKoo9.github.io/ja/posts/tcp-connection-keepalive/TCP接続はなぜ切れないのか、HikariCPはvalidation queryなしでなぜ30分間持つのか、Nginx/LBのKeepaliveとは何が違うのかを整理します。