May 2019
Intermediate to advanced
600 pages
20h 46m
English
book
PostgreSQL 11 Administration Cookbook
by Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala, Sheldon Strauch
Content preview from PostgreSQL 11 Administration Cookbook
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Killing the backend from the command line
Another way to terminate a backend is by using a Unix/Linux command named kill N. This command orders the SIGTERM signal to process N on the system where it is running. You have to be either the root user or the user running the database backends (usually postgres) to be able to send signals to processes.
You can cancel a backend (and simulate the pg_cancel_backend(pid) function) by sending a SIGINT signal:
kill -SIGINT <backend_pid>
For more detailed information and the exact syntax, type man kill from your favorite shell environment.
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