pcp_proc_info

pgpool-II 3.7.5 Documentation
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Name

pcp_proc_info -- displays the information on the given Pgpool-II child process ID

Synopsis

pcp_proc_info [ options ...] [ processid ]

Description

pcp_proc_info displays the information on the given Pgpool-II child process ID.

Options

-P PID --process-id= PID: PID of Pgpool-II child process.
Other options: See pcp_common_options .

Example

Here is an example output:

$ pcp_proc_info -p 11001
test t-ishii 2018-05-09 11:10:16 2018-05-09 11:10:40 3 0 1 4157 1
test t-ishii 2018-05-09 11:10:16 2018-05-09 11:10:40 3 0 1 4158 1

The result is in the following order:

1. connected database name
2. connected user name
3. process start-up timestamp
4. connection created timestamp
5. protocol major version
6. protocol minor version
7. connection-reuse counter
8. PostgreSQL backend process id
9. 1 if frontend conncted 0 if not

If there is no connection to the backends, nothing will be displayed. If there are multiple connections, one connection's information will be displayed on each line multiple times.

The --verbose option can help understand the output. For example:

$ pcp_proc_info -p 11001 --verbose
Database     : test
Username     : t-ishii
Start time   : 2018-05-09 11:10:16
Creation time: 2018-05-09 11:10:40
Major        : 3
Minor        : 0
Counter      : 1
Backend PID  : 4157
Connected    : 1
Database     : test
Username     : t-ishii
Start time   : 2018-05-09 11:10:16
Creation time: 2018-05-09 11:10:40
Major        : 3
Minor        : 0
Counter      : 1
Backend PID  : 4158
Connected    : 1