Like Prometheus, but for logs.

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Susana Ferreira 0bce8d95a2 Split by range of instant queries (#5662) ... * Split by range on Instant queries POC v3 Co-authored-by: Christian Haudum <christian.haudum@gmail.com> * Handle uneven split by duration * Register SplitByRangeMiddleware in roundtripper Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * fixup! Register SplitByRangeMiddleware in roundtripper Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * fixup! fixup! Register SplitByRangeMiddleware in roundtripper Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Remove rewrite if range aggr has label extraction stage In case a range aggregation has a generic label extraction stage, such as `| json` or `| logfmt` and no group by, we cannot split it, because otherwise the downstream queries would result in too many series. Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Fix linting * Implement range splitting for rate() and bytes_rate() Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Fix linting * Calculate offset of downstream queries correctly if the outer query range contains an offset as well. Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Fix linting * Add optimization by moving the outer label grouping downstream * Add label grouping downstream optimization to rate and bytes_rate expressions * Add changelog entry Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Simplify types in rangemapper Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * fixup! Simplify types in rangemapper Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Check in Map function if query is splittable by range Since this is the main function of the mapper, we can ensure here that only supported vector/range aggregations are handled. Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Some code cleanups and variable renaming Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Extract duplicate code in range aggr mapping into function Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Add topk to supported splittable vector aggregations Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Check if query is splittable by range before calling Map() Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Add more function comments Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Rename RangeVectorMapper to RangeMapper Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Fix incorrect import due to rebase Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Add equivalence test cases with `logfmt` pipeline stage Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Remove limitation of pushing down vector aggr only if grouping is present Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Remove TestRangeMappingEquivalenceMockMapper test This test is essentially the same as the test Test_SplitRangeVectorMapping, just using a different representation of the result. Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * fixup! Remove limitation of pushing down vector aggr only if grouping is present Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * fixup! fixup! Remove limitation of pushing down vector aggr only if grouping is present Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Fix linter errors Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Better naming of variable Signed-off-by: Christian Haudum <christian.haudum@gmail.com> * Split SplitRangeVectorMapping test into two to have the test for noop queries separated Signed-off-by: Christian Haudum <christian.haudum@gmail.com> Co-authored-by: Christian Haudum <christian.haudum@gmail.com> Co-authored-by: Owen Diehl <ow.diehl@gmail.com>		3 years ago
..
astmapper	Tsdb/sharding (#5600)	3 years ago
queryrange	Split by range of instant queries (#5662)	3 years ago
series	Copy `cortex/pkg/prom1` package dependency into Loki (#5196)	3 years ago
stats	Copy `cortex/pkg/querier/stats` package dependency into Loki (#5047)	3 years ago
worker	Use dskit/tenant intead of loki/pkg/tenant. (#5724)	3 years ago
http.go	Return bad request for multi-tenant tail. (#5792)	3 years ago
ingester_querier.go	Chore: Add pkg/util/log package (#5187)	3 years ago
ingester_querier_test.go	Upgrade Cortex, Prometheus and Thanos (#4830)	4 years ago
multi_tenant_querier.go	Update MultiTenantQuerier `Series()` and `Label()` to use `user.InjectOrgID()` instead of `user.InjectUserID()` (#5735)	3 years ago
multi_tenant_querier_test.go	Implement `Series` and `Label` for MultiTenantQuerier (#5566)	3 years ago
querier.go	Add a DeletionMode config variable (#5481)	3 years ago
querier_mock_test.go	Implement `Series` and `Label` for MultiTenantQuerier (#5566)	3 years ago
querier_test.go	Add a DeletionMode config variable (#5481)	3 years ago
tail.go	Add more context to tailer-> ingester connect error. (#5394)	3 years ago
tail_mock_test.go	Improve protobuf serialization (#2031)	5 years ago
tail_test.go	Improve protobuf serialization (#2031)	5 years ago
testutils.go	Remove unused code from cortex (#5633)	3 years ago
worker_service.go	Chore: Add pkg/util/log package (#5187)	3 years ago
worker_service_test.go	Querier worker/inflight metrics (#5124)	3 years ago