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22 commits

Author SHA1 Message Date
Erik Johnston
7a5873277e
Add support for evicting cache entries based on last access time. () 2021-07-05 16:32:12 +01:00
Richard van der Hoff
c0df6bae06
Remove keylen from LruCache. ()
`keylen` seems to be a thing that is frequently incorrectly set, and we don't really need it.

The only time it was used was to figure out if we had removed a subtree in `del_multi`, which we can do better by changing `TreeCache.pop` to return a different type (`TreeCacheNode`).

Commits should be independently reviewable.
2021-05-24 14:02:01 +01:00
Jonathan de Jong
4b965c862d
Remove redundant "coding: utf-8" lines ()
Part of 

Removes all redundant `# -*- coding: utf-8 -*-` lines from files, as python 3 automatically reads source code as utf-8 now.

`Signed-off-by: Jonathan de Jong <jonathan@automatia.nl>`
2021-04-14 15:34:27 +01:00
Patrick Cloke
0b3112123d
Use mock from the stdlib. () 2021-04-09 13:44:38 -04:00
Richard van der Hoff
96e7d3c4a0
Fix 'LruCache' object has no attribute '_on_resize' ()
We need to make sure we are readu for the `set_cache_factor` callback.
2020-10-19 21:13:50 +01:00
Richard van der Hoff
3ee17585cd
Make LruCache register its own metrics ()
rather than have everything that instantiates an LruCache manage metrics
separately, have LruCache do it itself.
2020-10-16 15:51:57 +01:00
Amber Brown
7cb8b4bc67
Allow configuration of Synapse's cache without using synctl or environment variables () 2020-05-11 18:45:23 +01:00
black
8b3d9b6b19 Run black. 2018-08-10 23:54:09 +10:00
Amber Brown
49af402019 run isort 2018-07-09 16:09:20 +10:00
Erik Johnston
9e8e236d98 Tidy up test 2017-01-17 11:50:18 +00:00
Erik Johnston
f85b6ca494 Speed up cache size calculation
Instead of calculating the size of the cache repeatedly, which can take
a long time now that it can use a callback, instead cache the size and
update that on insertion and deletion.

This requires changing the cache descriptors to have two caches, one for
pending deferreds and the other for the actual values. There's no reason
to evict from the pending deferreds as they won't take up any more
memory.
2017-01-17 11:18:13 +00:00
Erik Johnston
2fae34bd2c Optionally measure size of cache by sum of length of values 2017-01-13 17:46:17 +00:00
Erik Johnston
45fd2c8942 Ensure invalidation list does not grow unboundedly 2016-08-19 16:09:16 +01:00
Erik Johnston
4161ff2fc4 Add concept of cache contexts 2016-08-19 14:17:07 +01:00
Erik Johnston
4fce59f274 Add tests 2016-01-29 11:33:11 +00:00
David Baker
d552861346 Revert all the bits changing keys of eeverything that used LRUCaches to tuples 2016-01-22 12:18:14 +00:00
David Baker
10f76dc5da Make LRU cache not default to treecache & add options to use it 2016-01-22 12:10:33 +00:00
David Baker
31a051b677 Test treecache directly 2016-01-22 11:22:00 +00:00
David Baker
f1f8122120 Change LRUCache to be tree-based so we can delete subtrees. 2016-01-21 19:16:25 +00:00
Matthew Hodgson
6c28ac260c copyrights 2016-01-07 04:26:29 +00:00
Erik Johnston
2df8dd9b37 Move all the caches into their own package, synapse.util.caches 2015-08-11 18:00:59 +01:00
Mark Haines
d8324d5a2b Add a lru cache class 2015-02-11 14:52:23 +00:00