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36 lines
1.8 KiB
Markdown
36 lines
1.8 KiB
Markdown
# `cc-metric-store` version 1.5.0
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This is a major release of `cc-metric-store`, the metric timeseries cache
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implementation of ClusterCockpit. Since the storage engine is now part of
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`cc-backend` we will follow the version number of `cc-backend`.
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For release specific notes visit the [ClusterCockpit Documentation](https://clusterockpit.org/docs/release/).
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## Breaking changes
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- The internal `memorystore`, `avro`, `resampler`, and `util` packages have been
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removed. The storage engine is now provided by the
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[`cc-backend`](https://github.com/ClusterCockpit/cc-backend) package
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(`cc-backend/pkg/metricstore`). This repository is now the HTTP API wrapper
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only.
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- The configuration schema has changed. Refer to `configs/config.json` for the
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updated structure.
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## Notable changes
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- **Storage engine extracted to `cc-backend` library**: The entire in-memory
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time-series storage engine was moved to `cc-backend/pkg/metricstore`. This
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reduces duplication in the ClusterCockpit suite and enables shared maintenance
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of the storage layer.
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- **HealthCheck API endpoint**: New `GET /api/healthcheck/` endpoint reports the
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health status of cluster nodes.
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- **Dynamic memory management**: Memory limits can now be adjusted at runtime via
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a callback from the `cc-backend` library.
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- **Configuration schema validation**: The config and metric config JSON schemas
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have been updated and are now validated against the structs they describe.
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- **Startup refactored**: Application startup has been split into `cli.go` and
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`server.go` for clearer separation of concerns.
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- **`go fix` applied**: Codebase updated to current Go idioms.
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- **Dependency upgrades**: `nats.go` bumped from 1.36.0 to 1.47.0;
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`cc-lib` updated to v2.8.0; `cc-backend` updated to v1.5.0; various other
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module upgrades.
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