#36439: Auth hashing blocks event loop if using asyncio
-------------------------------------+-------------------------------------
Reporter: Robert Aistleitner | Owner: Roelzkie
Type: | Status: assigned
Cleanup/optimization |
Component: contrib.auth | Version: 5.2
Severity: Normal | Resolution:
Keywords: async, auth, | Triage Stage: Accepted
asyncio, performance |
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 1
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Roelzkie):
I made a new benchmarking with the latest `main`. The result is very
different from my previous testing, and I'm not so sure if it's due to the
rebase from recent `main` or due to some changes in my local setup.
These tests were conducted on 100 users with a SQLite database, and the
results of using `sync_to_async` with or without `ThreadPoolExecutor`
showed no significant difference. However, it's 5x faster than the current
version. For Argon2, the performance shows almost no difference, at least
for the SQLite database.
{{{#!table
|| ||= PBKDF2PasswordHasher =||= PBKDF2SHA1PasswordHasher =||=
Argon2PasswordHasher =||= BCryptSHA256PasswordHasher =||=
ScryptPasswordHasher =||
||=Current =|| 14.103s || 15.578s || 0.005s || 23.487s || 16.11s
||
||=With `sync_to_async` =|| 3.124s || 2.957s || 0.004s || 3.867s
|| 3.335s ||
||=With `sync_to_async` and `ThreadPoolExecutor` =|| 2.775s || 2.855s
|| 0.004s || 3.804s || 3.661s ||
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/36439#comment:13>
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