李国忠

[metrics] prometheus remote write exporter

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https://github.com/open-telemetry/opentelemetry-go-contrib/tree/master/exporters/metric/cortex https://github.com/open-telemetry/opentelemetry-go/tree/master/exporters Please add cortex exporter to this project. 

[performance] querier : parallel execute logql pipeline in go routine

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**What this PR does / why we need it**: When logql is LogSelector type, parallel execute the pipeline in in the go routine that fetch the s3 chunk data to...

bug： ingester OOM，memory leak

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**Describe the bug** A clear and concise description of what the bug is. **To Reproduce** Steps to reproduce the behavior: 1. Started Loki (SHA or version) 2. Started Promtail (SHA...

Multitenancy : support otlp java-agent

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**Is your feature request related to a problem? Please describe.** https://grafana.com/docs/tempo/latest/configuration/multitenancy/ https://github.com/open-telemetry/opentelemetry-java/blob/main/sdk-extensions/autoconfigure/README.md#otlp-exporter-both-span-and-metric-exporters **Describe the solution you'd like** **Describe alternatives you've considered** **Additional context**

[Optimization] logql client: When logql fails to execute, return the failure information to the caller

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…ail msg to the client caller. **What this PR does / why we need it**: When logql fails to execute, return the failure information to the caller. Solve the problem...

LogQL: [optimization] syntax: Replace "panic" in "/pkg/logql/syntax" with "error"

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**What this PR does / why we need it**: [optimization] syntax: Replace "panic" in "/pkg/logql/syntax" with "error" do not panic. **Which issue(s) this PR fixes**: Fixes # **Special notes for...

[bugfix] promtail:Concurrent map read and map write in promtail pod

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**What this PR does / why we need it**: ``` type noopPipeline struct { mu sync.RWMutex } ``` noopPipeline.struct add lock ``` type noopPipeline struct { cache map[uint64]*noopStreamPipeline mu sync.RWMutex...

fix ingester: grpc method=/logproto.Querier/Query fail.

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**What this PR does / why we need it**: When ingester's ctx times out, don't try to use grpc to return data to the querier again. This PR fixes the...

[new feature] shuffle sharding: support Ingesters write path.

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**What this PR does / why we need it**: [new feature] shuffle sharding: support Ingesters write path. https://aws.amazon.com/cn/blogs/architecture/shuffle-sharding-massive-and-magical-fault-isolation/ https://grafana.com/docs/mimir/v2.3.x/operators-guide/configure/configuring-shuffle-sharding/ **Which issue(s) this PR fixes**: Fixes # **Special notes for your...

[query] Upgrade Prometheus 2.21.0 dependency #2689

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fix https://github.com/m3db/m3/issues/2689