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Stop opening a PostgreSQL connection per request

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This was good in that it avoided having to deal with long running connections,
but it probably takes some time to open the connection, and these changes are
a step towards offloading the PostgreSQL queries to other threads, so they
don't block the threads for fibers.
This commit is contained in:
Christopher Baines 2020-10-03 09:22:29 +01:00
parent 9723a18df4
commit 18b6dd9e6d
3 changed files with 16 additions and 20 deletions
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14
scripts/guix-data-service.in
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@ -31,6 +31,7 @@
(gcrypt pk-crypto)
(guix pki)
(guix-data-service config)
(guix-data-service database)
(guix-data-service web server)
(guix-data-service web controller)
(guix-data-service web nar controller))
@ -194,9 +195,12 @@
(assq-ref opts 'host)
(assq-ref opts 'port))
(start-guix-data-service-web-server
(assq-ref opts 'port)
(assq-ref opts 'host)
(assq-ref opts 'secret-key-base)
#:postgresql-statement-timeout
(with-postgresql-connection-per-thread
"web"
(lambda ()
(start-guix-data-service-web-server
(assq-ref opts 'port)
(assq-ref opts 'host)
(assq-ref opts 'secret-key-base)))
#:statement-timeout
(assq-ref opts 'postgresql-statement-timeout))))