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Ashwanth 5c8fd520d3 fix(background cache): increment queue size exactly once (#11776) ... **What this PR does / why we need it**: While looking at the metrics from one of our cells, we noticed that the queue size is set to a very high value even when the length is pretty much 0. Background cache is incrementing the queue size twice for each enqueued key. This pr removes the additional increment call. `TestBackgroundSizeLimit` might be flaky because of the [writeBackLoop](8eb09c78c8/pkg/storage/chunk/cache/background.go (L193)) which dequeues from the channel and reduces the queue size concurrently. To make the test predictable, I have set the `WriteBackGoroutines` to 0. **Which issue(s) this PR fixes**: Fixes #<issue number> **Special notes for your reviewer**: **Checklist** - [x] Reviewed the [`CONTRIBUTING.md`](https://github.com/grafana/loki/blob/main/CONTRIBUTING.md) guide (**required**) - [ ] Documentation added - [x] Tests updated - [ ] `CHANGELOG.md` updated - [ ] If the change is worth mentioning in the release notes, add `add-to-release-notes` label - [ ] Changes that require user attention or interaction to upgrade are documented in `docs/sources/setup/upgrade/_index.md` - [ ] For Helm chart changes bump the Helm chart version in `production/helm/loki/Chart.yaml` and update `production/helm/loki/CHANGELOG.md` and `production/helm/loki/README.md`. [Example PR](d10549e3ec) - [ ] If the change is deprecating or removing a configuration option, update the `deprecated-config.yaml` and `deleted-config.yaml` files respectively in the `tools/deprecated-config-checker` directory. [Example PR](0d4416a4b0)		1 year ago
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analytics	Update nix configuration (#8452)	2 years ago
bloomcompactor	[Blooms] Specs out BloomGenerator (#11755)	1 year ago
bloomgateway	Extend `TestPartitionFingerprintRange` test case (#11750)	1 year ago
bloomutils	Bloom Compactor: Optimize check for fingerprint ownership (#11389)	1 year ago
canary	clients,pkg: use http.NewRequestWithContext (#10616)	2 years ago
chunkenc	structured metadata: track usage of structured metadata in queries (#11505)	1 year ago
compactor	deletion: delete chunk overlapping multiple tables when processing oldest table that has it indexed (#11600)	1 year ago
configs	Upgrade dskit to use packages migrated from weaveworks/common (#10164)	2 years ago
distributor	otel: add support for per tenant configuration for mapping otlp data to loki format (#11143)	1 year ago
ingester	Add metrics.go log line when reading from an ingester (#11571)	1 year ago
iter	Update nix configuration (#8452)	2 years ago
logcli	Send query plan to querier. (#11246)	2 years ago
loghttp	otel: add support for per tenant configuration for mapping otlp data to loki format (#11143)	1 year ago
logproto	Bloom querying: Propagate line filters from querier to bloom filter (#11492)	1 year ago
logql	reset the basemap when the labelsbuilder is reset (#11771)	1 year ago
logqlanalyzer	fixed logql-analyzer (#8258)	2 years ago
logqlmodel	results cache: add new stat `query_length_served` to measure cache effectiveness (#11589)	1 year ago
loki	Deprecate and flip -legacy-read-mode to false by default (#11665)	1 year ago
lokifrontend	Add query-frontend option to select request headers in query logs (#11499)	1 year ago
push	fix(deps): update module google.golang.org/grpc [security] (main) (#11031)	2 years ago
querier	Query-frontend: use the same query split interval for generated cache keys (#11679)	1 year ago
queue	Chore: Spelling fix for linter (#11482)	1 year ago
ruler	Ruler: catering for another data race in tenant config (#11612)	1 year ago
runtime	Loki: Implement initial phase of `limited_log_push_errors` (#9556)	2 years ago
scheduler	config: adds `frontend.max-query-capacity` to tune per-tenant query capacity (#11284)	2 years ago
server	Upgrade dskit to use packages migrated from weaveworks/common (#10164)	2 years ago
sizing	fix xss vulnerability (#10559)	2 years ago
storage	fix(background cache): increment queue size exactly once (#11776)	1 year ago
tracing	feat: Add tracing integration to profiling. (#11633)	1 year ago
util	Query-frontend: customisable query splitting for queries overlapping `query_ingester_within` window (#11535)	1 year ago
validation	otel: add support for per tenant configuration for mapping otlp data to loki format (#11143)	1 year ago