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Enable cache time-based expiry by default #11849

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Feb 11, 2022
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Enable cache time-based expiry by default #11849

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f798aba
make using cache expiry the default behavior
H-Shay Jan 27, 2022
adbd8ed
newsfragment
H-Shay Jan 27, 2022
bdeaf52
update comment
H-Shay Jan 27, 2022
83661c5
newsfragment and update sample config
H-Shay Jan 27, 2022
4eb3e6a
add boolean flag, rename expiry time
H-Shay Feb 3, 2022
652c620
regenerate sample config
H-Shay Feb 3, 2022
6784e1e
requested changes
H-Shay Feb 4, 2022
253edca
Merge branch 'develop' into shay/default_expiry
H-Shay Feb 4, 2022
775cbf7
add note in upgrade notes about changes
H-Shay Feb 4, 2022
6dddbc7
lint
H-Shay Feb 4, 2022
8efac83
renew sample config
H-Shay Feb 4, 2022
c86e536
follow config code style
H-Shay Feb 9, 2022
327ea5a
follow config code style
H-Shay Feb 9, 2022
8d06aac
regenerate sample config
H-Shay Feb 9, 2022
f37e95f
requested changes
H-Shay Feb 10, 2022
3299583
d'oh! lints
H-Shay Feb 10, 2022
77ac0d7
cleanup v1 header and reword flags
H-Shay Feb 11, 2022
604145a
Merge branch 'develop' into shay/default_expiry
H-Shay Feb 11, 2022
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1 change: 1 addition & 0 deletions changelog.d/11849.misc
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Enable cache time-based expiry by default.
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It may be worth mentioning the new configuration options that are available, or otherwise pointing to the relevant section of the sample config for the full details.

This could also be done via our upgrading docs, where we have more room.

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I would likely still sneak a keyword or two in there: expiry_time will be superseded by expire_caches and cache_entry_ttl.
Helps perk people's ears up and helps if you ever need to do a Ctrl+F for one of the config option names.

6 changes: 3 additions & 3 deletions docs/sample_config.yaml
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Expand Up @@ -738,10 +738,10 @@ caches:
#get_users_who_share_room_with_user: 2.0

# Controls how long an entry can be in a cache without having been
# accessed before being evicted. Defaults to None, which means
# entries are never evicted based on time.
# accessed before being evicted. Defaults to 30m. Comment out this
# option if you don't want entries to be evicted based on time.
#
#expiry_time: 30m
expiry_time: 30m

# Controls how long the results of a /sync request are cached for after
# a successful response is returned. A higher duration can help clients with
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6 changes: 3 additions & 3 deletions synapse/config/cache.py
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Expand Up @@ -149,10 +149,10 @@ def generate_config_section(self, **kwargs) -> str:
#get_users_who_share_room_with_user: 2.0

# Controls how long an entry can be in a cache without having been
# accessed before being evicted. Defaults to None, which means
# entries are never evicted based on time.
# accessed before being evicted. Defaults to 30m. Comment out this
# option if you don't want entries to be evicted based on time.
#
#expiry_time: 30m
expiry_time: 30m

# Controls how long the results of a /sync request are cached for after
# a successful response is returned. A higher duration can help clients with
Expand Down