systemd 㧠ulimit 上ã’ã‚‹ã¨ãã®æŽ¨å¥¨ã®æ–¹æ³•TL;DR ユニットè¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã« LimitNOFILE を書ã /etc/systemd/system/<unit>.d/override.conf ã«æ›¸ãã¨ãªãŠã‚ˆã„ 経緯 CentOS 7 ã« MariaDB を構築ã—ã¦ã„ã¦ã€my.cnf ã«ä¸‹è¨˜è¨å®šã‚’入れã¦ã„ã¾ã—ãŸã€‚ open-files-limit = 65536 ã—ã‹ã—ã€ãƒ—ãƒã‚»ã‚¹ã® Limit を調ã¹ã¦ã¿ã‚‹ã¨ 1024 ã«ãªã£ã¦ã„ã¦ã€ãƒã‚°ã«ã‚‚ãã®æ—¨ãŒå‡ºã¦ã„ã¾ã™ã€‚ # cat /proc/`pidof mysqld`/limits | grep -i "max open files" Max open files 1024 4096 files # tailf /var/log/mariadb/mariadb.log ...snip... 150712 16:48:49 [Warning] Could not increase n
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