- **status**: in-progress --> review
- **Comment**:
Closed #721. `ib/7824`
Some timings of neighborhood lookup. First hit - after server restart.
Before cache:
~~~~~
08:35:55,716 INFO [allura.controllers.root] TIME: 14.0540599823 ms
08:35:57,142 INFO [allura.controllers.root] TIME: 1.22499465942 ms
08:35:57,209 INFO [allura.controllers.root] TIME: 0.859022140503 ms
~~~~~
After cache:
~~~~~
08:47:57,925 INFO [allura.controllers.root] TIME: 14.1131877899 ms
08:47:58,719 INFO [allura.controllers.root] TIME: 0.0700950622559 ms
08:47:59,622 INFO [allura.controllers.root] TIME: 0.0560283660889 ms
~~~~~
**QA:**
- add `neighborhood.cache.duration = 60` to config
- go to `/adobe/admin/`, make sure you see 'Adobe' at the top of the page
- `mongo pyforge`
- `db.neighborhood.update({'url_prefix': '/adobe/'}, {'$set': {'name': 'Adobe
1'}})`
- refresh page, make sure you still see cached neighborhood name
- wait a minure, refresh page again, make sure neighborhood name is updated
- make sure other neighborhoods work and 404 page is shown when appropriate
---
** [tickets:#7824] Cache neighborhood record**
**Status:** review
**Milestone:** unreleased
**Labels:** performance sf-current 42cc
**Created:** Tue Feb 03, 2015 09:35 PM UTC by Dave Brondsema
**Last Updated:** Wed Feb 04, 2015 06:00 PM UTC
**Owner:** Igor Bondarenko
Every single request hits `RootController.__init__` and does a neighborhood
lookup. Neighborhoods don't change very often so this could be cached
in-memory for a short time. I think the duration should be configurable and
default to 0 (particularly so development is easy). Based on some performance
monitoring I did, this may save up to 15% of time spent in a simple request
(smaller relative % on more complex pages)
---
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