域名到期查询,怎样做网站的优化工作,ps工具设计网站,百度网页首页postmaster内容 使用cat -n 命令可以查看postmaster.pid文件内容#xff1a; ) 根据每一行进行解释#xff0c;并给出对应的源代码说明 13795: 代表Postgres主进程的PID/usr/local/pgsql/data: 代表数据目录 1529235109#xff1a; 代表postmaster文件的创建时间。 54…postmaster内容 使用cat -n 命令可以查看postmaster.pid文件内容 ) 根据每一行进行解释并给出对应的源代码说明 13795: 代表Postgres主进程的PID/usr/local/pgsql/data: 代表数据目录 1529235109 代表postmaster文件的创建时间。 5432: 代表数据库监听端口在postgresql.conf中对应port 5432 来自源代码说明 /* The socket number we are listening for connections on */ int PostPortNumber;12 /tmp: 代表是unix socket的监听目录在postgresql.conf中对应 unix_socket_directory /tmp 来自源代码说明 /* The directory names for Unix socket(s) */ char *Unix_socket_directories;12 *** **: 代表数据库监听地址对应postgresql.conf的listen_addresses \* 来自源代码说明 /* The TCP listen address(es) */ char *ListenAddresses;12 5432001 163840:代表的是共享内存的地址(shared memory segments中的key和shmid)。 输入ipcs可以查看 注 postmaster.pid显示的是key转成10进制后的数字。 ready 代表主进程状态 typedef enum {PM_INIT, /* postmaster starting */PM_STARTUP, /* waiting for startup subprocess */PM_RECOVERY, /* in archive recovery mode */PM_HOT_STANDBY, /* in hot standby mode */PM_RUN, /* normal database is alive state */PM_WAIT_BACKUP, /* waiting for online backup mode to end */PM_WAIT_READONLY, /* waiting for read only backends to exit */PM_WAIT_BACKENDS, /* waiting for live backends to exit */PM_SHUTDOWN, /* waiting for checkpointer to do shutdown* ckpt */PM_SHUTDOWN_2, /* waiting for archiver and walsenders to* finish */PM_WAIT_DEAD_END, /* waiting for dead_end children to exit */PM_NO_CHILDREN /* all important children have exited */ } PMState;