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Setting Driver or OS TCP Keepalive

news 2026/5/25 4:02:47

SQL

PostgreSQL　　tcpKeepAlive=true
MySQL 　　　　tcpKeepAlive=true
Oracle 　　　　 oracle.net.keepAlive=true

linux

vim /etc/sysctl.conf

# detect dead connections after 70 seconds
net.ipv4.tcp_keepalive_time = 60
net.ipv4.tcp_keepalive_intvl = 5
net.ipv4.tcp_keepalive_probes = 3

see

https://github.com/brettwooldridge/HikariCP/wiki/Setting-Driver-or-OS-TCP-Keepalive