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postgresql 切换 log、xlog日志的实现
os: centos 7.4db: postgresql 9.6切换log:select pg_rotate_logfile();切换xlog:select pg_switch_xlog();补充:postgresql流复制主从切换+r
os: centos 7.4db: postgresql 9.6切换log:select pg_rotate_logfile();切换xlog:select pg_switch_xlog();补充:postgresql流复制主从切换+r