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authorNeil Alexander <neilalexander@users.noreply.github.com>2022-07-11 14:31:31 +0100
committerGitHub <noreply@github.com>2022-07-11 14:31:31 +0100
commit3ea21273bcc151b36eec412d0ec550642fe9b04f (patch)
tree84074f881f9875c89d417f028caeacd1eaeca3ce /dendrite-sample.polylith.yaml
parenteb8dc50a970cc1bfd82dc4bace76aba00181df6e (diff)
Ristretto cache (#2563)
* Try Ristretto cache * Tweak * It's beautiful * Update GMSL * More strict keyable interface * Fix that some more * Make less panicky * Don't enforce mutability checks for now * Determine mutability using deep equality * Tweaks * Namespace keys * Make federation caches mutable * Update cost estimation, add metric * Update GMSL * Estimate cost for metrics better * Reduce counters a bit * Try caching events * Some guards * Try again * Try this * Use separate caches for hopefully better hash distribution * Fix bug with admitting events into cache * Try to fix bugs * Check nil * Try that again * Preserve order jeezo this is messy * thanks VS Code for doing exactly the wrong thing * Try this again * Be more specific * aaaaargh * One more time * That might be better * Stronger sorting * Cache expiries, async publishing of EDUs * Put it back * Use a shared cache again * Cost estimation fixes * Update ristretto * Reduce counters a bit * Clean up a bit * Update GMSL * 1GB * Configurable cache sizees * Tweaks * Add `config.DataUnit` for specifying friendly cache sizes * Various tweaks * Update GMSL * Add back some lazy loading caching * Include key in cost * Include key in cost * Tweak max age handling, config key name * Only register prometheus metrics if requested * Review comments @S7evinK * Don't return errors when creating caches (it is better just to crash since otherwise we'll `nil`-pointer exception everywhere) * Review comments * Update sample configs * Update GHA Workflow * Update Complement images to Go 1.18 * Remove the cache test from the federation API as we no longer guarantee immediate cache admission * Don't check the caches in the renewal test * Possibly fix the upgrade tests * Update to matrix-org/gomatrixserverlib#322 * Update documentation to refer to Go 1.18
Diffstat (limited to 'dendrite-sample.polylith.yaml')
-rw-r--r--dendrite-sample.polylith.yaml19
1 files changed, 19 insertions, 0 deletions
diff --git a/dendrite-sample.polylith.yaml b/dendrite-sample.polylith.yaml
index b9e3e5e5..ea3d9d68 100644
--- a/dendrite-sample.polylith.yaml
+++ b/dendrite-sample.polylith.yaml
@@ -31,6 +31,25 @@ global:
# considered valid by other homeservers.
key_validity_period: 168h0m0s
+ # Configuration for in-memory caches. Caches can often improve performance by
+ # keeping frequently accessed items (like events, identifiers etc.) in memory
+ # rather than having to read them from the database.
+ cache:
+ # The estimated maximum size for the global cache in bytes, or in terabytes,
+ # gigabytes, megabytes or kilobytes when the appropriate 'tb', 'gb', 'mb' or
+ # 'kb' suffix is specified. Note that this is not a hard limit, nor is it a
+ # memory limit for the entire process. A cache that is too small may ultimately
+ # provide little or no benefit.
+ max_size_estimated: 1gb
+
+ # The maximum amount of time that a cache entry can live for in memory before
+ # it will be evicted and/or refreshed from the database. Lower values result in
+ # easier admission of new cache entries but may also increase database load in
+ # comparison to higher values, so adjust conservatively. Higher values may make
+ # it harder for new items to make it into the cache, e.g. if new rooms suddenly
+ # become popular.
+ max_age: 1h
+
# The server name to delegate server-server communications to, with optional port
# e.g. localhost:443
well_known_server_name: ""