Python App Scraping ———09.12.2017

Micellaneous

check backends connections

cancel backends connections

To sum numbers of connections:

SELECT sum(numbackends) FROM pg_stat_database;

To cancel all connections not including my own:

SELECT pg_terminate_backend(pid)

FROM pg_stat_activity

WHERE pid <> pg_backend_pid()


Python App Scraping ———09.12.2017_第1张图片

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