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| author | Amber Brown <hawkowl@atleastfornow.net> | 2018-05-28 19:14:41 +1000 |
|---|---|---|
| committer | Amber Brown <hawkowl@atleastfornow.net> | 2018-05-28 19:14:41 +1000 |
| commit | 357c74a50f1e1588a6a3d626bddb3555452c6f56 (patch) | |
| tree | c6fbadc5b553e8faa41f7c1be9c84790969b4a09 /synapse/util/caches/__init__.py | |
| parent | update metrics to be in seconds (diff) | |
| download | synapse-357c74a50f1e1588a6a3d626bddb3555452c6f56.tar.xz | |
add comment about why unreg
Diffstat (limited to 'synapse/util/caches/__init__.py')
| -rw-r--r-- | synapse/util/caches/__init__.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/synapse/util/caches/__init__.py b/synapse/util/caches/__init__.py index d968b71e7a..183faf75a1 100644 --- a/synapse/util/caches/__init__.py +++ b/synapse/util/caches/__init__.py @@ -41,6 +41,8 @@ response_cache_total = Gauge("synapse_util_caches_response_cache:total", "", ["n def register_cache(cache_type, cache_name, cache): # Check if the metric is already registered. Unregister it, if so. + # This usually happens during tests, as at runtime these caches are + # effectively singletons. metric_name = "cache_%s_%s" % (cache_type, cache_name) if metric_name in collectors_by_name.keys(): REGISTRY.unregister(collectors_by_name[metric_name]) |