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{"parentUuid":"19c935af-4bb2-403d-ae70-0a019d8563b3","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/cc-metric-store","sessionId":"5f3efb98-8d26-43c1-9c36-c7bc61eaf22b","version":"2.1.69","gitBranch":"dev","slug":"polymorphic-popping-gizmo","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_012W5yL57iwUUgTL48V1yTRS","type":"tool_result","content":" 1→# ClusterCockpit Metric Store\n 2→\n 3→[](https://github.com/ClusterCockpit/cc-metric-store/actions/workflows/test.yml)\n 4→\n 5→The cc-metric-store provides a simple in-memory time series database for storing\n 6→metrics of cluster nodes at preconfigured intervals. It is meant to be used as\n 7→part of the [ClusterCockpit suite](https://github.com/ClusterCockpit). As all\n 8→data is kept in-memory, accessing it is very fast. It also provides topology aware\n 9→aggregations over time _and_ nodes/sockets/cpus.\n 10→\n 11→There are major limitations: Data only gets written to disk at periodic\n 12→checkpoints (or via WAL on every write), not immediately as it is received.\n 13→Only the configured retention window is kept in memory.\n 14→Still metric data is kept as long as running jobs is using it.\n 15→\n 16→The storage engine is provided by the\n 17→[cc-backend](https://github.com/ClusterCockpit/cc-backend) package\n 18→(`cc-backend/pkg/metricstore`). This repository provides the HTTP API wrapper.\n 19→\n 20→The [NATS.io](https://nats.io/) based writing endpoint and the HTTP write\n 21→endpoint both consume messages in [this format of the InfluxDB line\n 22→protocol](https://github.com/ClusterCockpit/cc-specifications/blob/master/metrics/lineprotocol_alternative.md).\n 23→\n 24→## Building\n 25→\n 26→`cc-metric-store` can be built using the provided `Makefile`.\n 27→It supports the following targets:\n 28→\n 29→- `make`: Build the application, copy an example configuration file and generate\n 30→ checkpoint folders if required.\n 31→- `make clean`: Clean the golang build cache and application binary\n 32→- `make distclean`: In addition to the clean target also remove the `./var`\n 33→ folder and `config.json`\n 34→- `make swagger`: Regenerate the Swagger files from the source comments.\n 35→- `make test`: Run tests and basic checks (`go build`, `go vet`, `go test`).\n 36→\n 37→## Running\n 38→\n 39→```sh\n 40→./cc-metric-store # Uses ./config.json\n 41→./cc-metric-store -config /path/to/config.json\n 42→./cc-metric-store -dev # Enable Swagger UI at /swagger/\n 43→./cc-metric-store -loglevel debug # debug|info|warn (default)|err|crit\n 44→./cc-metric-store -logdate # Add date and time to log messages\n 45→./cc-metric-store -version # Show version information and exit\n 46→./cc-metric-store -gops # Enable gops agent for debugging\n 47→```\n 48→\n 49→## REST API Endpoints\n 50→\n\n\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n\n"}]},"uuid":"30cc7d96-5f7e-4b6f-b0f8-d9dff1ca23e8","timestamp":"2026-03-06T10:52:07.907Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/cc-metric-store/README.md","content":"# ClusterCockpit Metric Store\n\n[](https://github.com/ClusterCockpit/cc-metric-store/actions/workflows/test.yml)\n\nThe cc-metric-store provides a simple in-memory time series database for storing\nmetrics of cluster nodes at preconfigured intervals. It is meant to be used as\npart of the [ClusterCockpit suite](https://github.com/ClusterCockpit). As all\ndata is kept in-memory, accessing it is very fast. It also provides topology aware\naggregations over time _and_ nodes/sockets/cpus.\n\nThere are major limitations: Data only gets written to disk at periodic\ncheckpoints (or via WAL on every write), not immediately as it is received.\nOnly the configured retention window is kept in memory.\nStill metric data is kept as long as running jobs is using it.\n\nThe storage engine is provided by the\n[cc-backend](https://github.com/ClusterCockpit/cc-backend) package\n(`cc-backend/pkg/metricstore`). This repository provides the HTTP API wrapper.\n\nThe [NATS.io](https://nats.io/) based writing endpoint and the HTTP write\nendpoint both consume messages in [this format of the InfluxDB line\nprotocol](https://github.com/ClusterCockpit/cc-specifications/blob/master/metrics/lineprotocol_alternative.md).\n\n## Building\n\n`cc-metric-store` can be built using the provided `Makefile`.\nIt supports the following targets:\n\n- `make`: Build the application, copy an example configuration file and generate\n checkpoint folders if required.\n- `make clean`: Clean the golang build cache and application binary\n- `make distclean`: In addition to the clean target also remove the `./var`\n folder and `config.json`\n- `make swagger`: Regenerate the Swagger files from the source comments.\n- `make test`: Run tests and basic checks (`go build`, `go vet`, `go test`).\n\n## Running\n\n```sh\n./cc-metric-store # Uses ./config.json\n./cc-metric-store -config /path/to/config.json\n./cc-metric-store -dev # Enable Swagger UI at /swagger/\n./cc-metric-store -loglevel debug # debug|info|warn (default)|err|crit\n./cc-metric-store -logdate # Add date and time to log messages\n./cc-metric-store -version # Show version information and exit\n./cc-metric-store -gops # Enable gops agent for debugging\n```\n\n## REST API Endpoints\n","numLines":50,"startLine":1,"totalLines":330}},"sourceToolAssistantUUID":"19c935af-4bb2-403d-ae70-0a019d8563b3"}
{"parentUuid":"30cc7d96-5f7e-4b6f-b0f8-d9dff1ca23e8","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/cc-metric-store","sessionId":"5f3efb98-8d26-43c1-9c36-c7bc61eaf22b","version":"2.1.69","gitBranch":"dev","slug":"polymorphic-popping-gizmo","message":{"model":"claude-sonnet-4-6","id":"msg_01SWofHzp7dssudCRNk1Kdiy","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Now let me look at the key changes to understand what to put in the release notes. Let me look at the significant commits:\n\n1. `b06bb58 Add entire integration` - Integrates the entire cc-backend\n2. `0fa5d8b Run go fix tool. Refactor` - Code refactoring\n3. `5547580 Update to lates cc-backend head`\n4. `b764120 Integrate entire. Upgrade dependencies`\n5. `6aca448 Port to newest cclib. Use metricstore as library.` - Major change: metricstore now used as library from cc-backend\n\n\n6. `dd23f49 Add configuration options and enable dynamic memory management through cc-backend callback`\n7. `be6d4be Fix healthcheck api`\n8. `e2e4dcd feat: HealthCheck endpoint for nodes` - New feature\n9. Avro checkpoint format (multiple commits)\n10. `5be7578 Bump github.com/nats-io/nats.go from 1.36.0 to 1.47.0`\n11. `fc4ae14 Bringing back GOGC for syncPool`\n\nThe major themes are moving the storage engine to cc-backend as a library, adding configuration and memory management capabilities, introducing a new HealthCheck endpoint for nodes, switching to Avro checkpoint format, and updating key dependencies like NATS while optimizing garbage collection.","signature":"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"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1774,"cache_read_input_tokens":12837,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1774},"output_tokens":9,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYmhZ3ReeWBDyx8ZLEW4F","type":"assistant","uuid":"915461e8-f226-4fcd-99a9-5ce6446361d2","timestamp":"2026-03-06T10:52:14.496Z"}
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{"parentUuid":"5f4e31aa-4e7e-42a6-96e8-4186be5897e1","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/cc-metric-store","sessionId":"5f3efb98-8d26-43c1-9c36-c7bc61eaf22b","version":"2.1.69","gitBranch":"dev","slug":"polymorphic-popping-gizmo","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01XXpy4241hFFLkTbeG8SRkW","type":"tool_result","content":"commit e2e4dcdada6a8bb9fcc4cb95a00276132e4fbb6e\nAuthor: Aditya Ujeniya \nDate: Sun Feb 16 20:33:40 2025 +0100\n\n feat: HealthCheck endpoint for nodes\n\n .gitignore | 4 +-\n api/swagger.json | 57 +++++++++++\n api/swagger.yaml | 36 +++++++\n endpoint-test-scripts/test_ccms_api.sh | 6 ++\n endpoint-test-scripts/test_ccms_debug_api.sh | 6 ++\n endpoint-test-scripts/test_ccms_free_api.sh | 6 ++\n .../test_ccms_health_check_api.sh | 6 ++\n endpoint-test-scripts/test_ccms_write_api.sh | 110 +++++++++++++++++++++\n internal/api/api.go | 33 +++++++\n internal/api/docs.go | 57 +++++++++++\n internal/api/server.go | 4 +\n internal/memorystore/healthcheck.go | 88 +++++++++++++++++\n 12 files changed, 410 insertions(+), 3 deletions(-)\ncommit dd23f493642aa9ba7491d80ec4c123599696dcb0\nAuthor: Jan Eitzinger \nDate: Wed Jan 28 12:59:05 2026 +0100\n\n Add configuration options and enable dynamic memory management through cc-backend callback\n\n CLAUDE.md | 77 ++++++++++++++++++++++++++++++++++++++++++\n cmd/cc-metric-store/main.go | 22 +++++++++---\n go.mod | 11 ++----\n go.sum | 20 +++--------\n internal/api/nodeprovider.go | 54 ++++++++++++++++++++++++++++++\n internal/config/config.go | 80 ++++++++++++++++++--------------------------\n internal/config/schema.go | 4 +++\n 7 files changed, 191 insertions(+), 77 deletions(-)","is_error":false}]},"uuid":"5d08fe9c-7188-4f75-95ae-d396e26299b9","timestamp":"2026-03-06T10:52:17.642Z","toolUseResult":{"stdout":"commit e2e4dcdada6a8bb9fcc4cb95a00276132e4fbb6e\nAuthor: Aditya Ujeniya \nDate: Sun Feb 16 20:33:40 2025 +0100\n\n feat: HealthCheck endpoint for nodes\n\n .gitignore | 4 +-\n api/swagger.json | 57 +++++++++++\n api/swagger.yaml | 36 +++++++\n endpoint-test-scripts/test_ccms_api.sh | 6 ++\n endpoint-test-scripts/test_ccms_debug_api.sh | 6 ++\n endpoint-test-scripts/test_ccms_free_api.sh | 6 ++\n .../test_ccms_health_check_api.sh | 6 ++\n endpoint-test-scripts/test_ccms_write_api.sh | 110 +++++++++++++++++++++\n internal/api/api.go | 33 +++++++\n internal/api/docs.go | 57 +++++++++++\n internal/api/server.go | 4 +\n internal/memorystore/healthcheck.go | 88 +++++++++++++++++\n 12 files changed, 410 insertions(+), 3 deletions(-)\ncommit dd23f493642aa9ba7491d80ec4c123599696dcb0\nAuthor: Jan Eitzinger \nDate: Wed Jan 28 12:59:05 2026 +0100\n\n Add configuration options and enable dynamic memory management through cc-backend callback\n\n CLAUDE.md | 77 ++++++++++++++++++++++++++++++++++++++++++\n cmd/cc-metric-store/main.go | 22 +++++++++---\n go.mod | 11 ++----\n go.sum | 20 +++--------\n internal/api/nodeprovider.go | 54 ++++++++++++++++++++++++++++++\n internal/config/config.go | 80 ++++++++++++++++++--------------------------\n internal/config/schema.go | 4 +++\n 7 files changed, 191 insertions(+), 77 deletions(-)","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false},"sourceToolAssistantUUID":"5f4e31aa-4e7e-42a6-96e8-4186be5897e1"}
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{"parentUuid":"1ec78dd5-74c7-4f36-ace0-c46b64e574b6","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/cc-metric-store","sessionId":"5f3efb98-8d26-43c1-9c36-c7bc61eaf22b","version":"2.1.69","gitBranch":"dev","slug":"polymorphic-popping-gizmo","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_015HAFwFygzgdGzQQdhBWQSK","type":"tool_result","content":"module github.com/ClusterCockpit/cc-metric-store\n\ngo 1.25.0\n\nrequire (\n\tgithub.com/ClusterCockpit/cc-backend v1.5.0\n\tgithub.com/ClusterCockpit/cc-lib/v2 v2.8.0\n\tgithub.com/ClusterCockpit/cc-line-protocol/v2 v2.4.0\n\tgithub.com/golang-jwt/jwt/v4 v4.5.2\n\tgithub.com/google/gops v0.3.29\n\tgithub.com/santhosh-tekuri/jsonschema/v5 v5.3.1\n\tgithub.com/swaggo/http-swagger v1.3.4\n\tgithub.com/swaggo/swag v1.16.6\n)\n\nrequire (\n\tgithub.com/KyleBanks/depth v1.2.1 // indirect\n\tgithub.com/andybalholm/brotli v1.2.0 // indirect\n\tgithub.com/aws/aws-sdk-go-v2 v1.41.3 // indirect\n\tgithub.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.6 // indirect","is_error":false}]},"uuid":"d7de1ab5-0e08-4f83-bd18-56c72a7b27f8","timestamp":"2026-03-06T10:52:18.372Z","toolUseResult":{"stdout":"module github.com/ClusterCockpit/cc-metric-store\n\ngo 1.25.0\n\nrequire (\n\tgithub.com/ClusterCockpit/cc-backend v1.5.0\n\tgithub.com/ClusterCockpit/cc-lib/v2 v2.8.0\n\tgithub.com/ClusterCockpit/cc-line-protocol/v2 v2.4.0\n\tgithub.com/golang-jwt/jwt/v4 v4.5.2\n\tgithub.com/google/gops v0.3.29\n\tgithub.com/santhosh-tekuri/jsonschema/v5 v5.3.1\n\tgithub.com/swaggo/http-swagger v1.3.4\n\tgithub.com/swaggo/swag v1.16.6\n)\n\nrequire (\n\tgithub.com/KyleBanks/depth v1.2.1 // indirect\n\tgithub.com/andybalholm/brotli v1.2.0 // indirect\n\tgithub.com/aws/aws-sdk-go-v2 v1.41.3 // indirect\n\tgithub.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.6 // indirect","stderr":"","interrupted":false,"isImage":false,"noOutputExpected":false},"sourceToolAssistantUUID":"1ec78dd5-74c7-4f36-ace0-c46b64e574b6"}
{"parentUuid":"d7de1ab5-0e08-4f83-bd18-56c72a7b27f8","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/cc-metric-store","sessionId":"5f3efb98-8d26-43c1-9c36-c7bc61eaf22b","version":"2.1.69","gitBranch":"dev","slug":"polymorphic-popping-gizmo","message":{"model":"claude-sonnet-4-6","id":"msg_012wqboqJ3ptHdqgrZdKkRXM","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Now I have enough information to write a comprehensive release notes update. The next version should be 0.2.0 given the significant architectural changes:\n\n1. **Major architectural change**: The storage engine (previously internal `memorystore`) has been extracted and moved to `cc-backend/pkg/metricstore` as a library. This is a breaking change as the entire internal implementation was removed.\n\n2. **New features**:\n - HealthCheck endpoint for node health status (`GET /api/healthcheck/`)\n - Dynamic memory management via cc-backend callback\n - Avro checkpoint format support\n - GOGC management for sync pool\n \n3. **Breaking changes**: The internal `memorystore`, `avro`, `resampler`, and `util` packages have been removed entirely, with the storage engine now sourced from `cc-backend/pkg/metricstore`, and the configuration schema has been adapted accordingly.\n\n4. **Improvements**: I've refactored the startup code, enhanced configuration schema validation, improved error handling throughout, and cleaned up the codebase with `go fix`.\n\n5. **Dependency updates**: The nats.go library has been upgraded from 1.36.0 to 1.47.0, along with various other dependency improvements.\n\nNow I'm putting together the release notes for v0.2.0.","signature":"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"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1135,"cache_read_input_tokens":16125,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1135},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYmhZp6jvBWP85no7U6x6","type":"assistant","uuid":"7259771f-714a-4148-8936-c213686a74df","timestamp":"2026-03-06T10:52:27.699Z"}
{"parentUuid":"7259771f-714a-4148-8936-c213686a74df","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/cc-metric-store","sessionId":"5f3efb98-8d26-43c1-9c36-c7bc61eaf22b","version":"2.1.69","gitBranch":"dev","slug":"polymorphic-popping-gizmo","message":{"model":"claude-sonnet-4-6","id":"msg_012wqboqJ3ptHdqgrZdKkRXM","type":"message","role":"assistant","content":[{"type":"text","text":"Now I have a clear picture of all changes since v0.1.1. Let me write the updated release notes for v0.2.0."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1135,"cache_read_input_tokens":16125,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1135},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYmhZp6jvBWP85no7U6x6","type":"assistant","uuid":"40e6688d-f3a4-4f7c-9c41-e898796aeaa0","timestamp":"2026-03-06T10:52:27.708Z"}
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{"parentUuid":"a067ccb6-0379-4d16-ad43-d2b3a693ae5c","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/cc-metric-store","sessionId":"5f3efb98-8d26-43c1-9c36-c7bc61eaf22b","version":"2.1.69","gitBranch":"dev","slug":"polymorphic-popping-gizmo","message":{"model":"claude-sonnet-4-6","id":"msg_01CQHkrFDoiqt9i3ScseT4uN","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01RRrKPh4UhKkBCkTTg1ffMW","name":"Write","input":{"file_path":"/Users/jan/prg/cc-metric-store/ReleaseNotes.md","content":"# `cc-metric-store` version 0.2.0\n\nThis is a major release of `cc-metric-store`, the metric timeseries cache\nimplementation of ClusterCockpit.\nFor release specific notes visit the [ClusterCockpit Documentation](https://clusterockpit.org/docs/release/).\n\n## Breaking changes\n\n- The internal `memorystore`, `avro`, `resampler`, and `util` packages have been\n removed. The storage engine is now provided by the\n [`cc-backend`](https://github.com/ClusterCockpit/cc-backend) package\n (`cc-backend/pkg/metricstore`). This repository is now the HTTP API wrapper\n only.\n- The configuration schema has changed. Refer to `configs/config.json` for the\n updated structure.\n\n## Notable changes\n\n- **Storage engine extracted to `cc-backend` library**: The entire in-memory\n time-series storage engine was moved to `cc-backend/pkg/metricstore`. This\n reduces duplication in the ClusterCockpit suite and enables shared maintenance\n of the storage layer.\n- **HealthCheck API endpoint**: New `GET /api/healthcheck/` endpoint reports the\n health status of cluster nodes.\n- **Dynamic memory management**: Memory limits can now be adjusted at runtime via\n a callback from the `cc-backend` library.\n- **Configuration schema validation**: The config and metric config JSON schemas\n have been updated and are now validated against the structs they describe.\n- **Startup refactored**: Application startup has been split into `cli.go` and\n `server.go` for clearer separation of concerns.\n- **`go fix` applied**: Codebase updated to current Go idioms.\n- **Dependency upgrades**: `nats.go` bumped from 1.36.0 to 1.47.0;\n `cc-lib` updated to v2.8.0; `cc-backend` updated to v1.5.0; various other\n module upgrades.\n\n---\n\n# `cc-metric-store` version 0.1.1\n\nThis is a bugfix release of `cc-metric-store`, the metric timeseries cache\nimplementation of ClusterCockpit.\nFor release specific notes visit the [ClusterCockpit Documentation](https://clusterockpit.org/docs/release/).\n\nNotable changes in version 0.1.0:\n\n- Cleanup of code and restructuring\n- Document REST API with Swagger\n- Introduce REST API versioning\n- Provide Swagger UI test web-frontend\n- Introduce re-sampling of metric data\n- Support also ms, ns in line protocol\n- Support NATS credentials\n\n## Breaking changes\n\nNone\n"},"caller":{"type":"direct"}}],"stop_reason":"tool_use","stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":688,"cache_read_input_tokens":17260,"output_tokens":719,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":688,"ephemeral_5m_input_tokens":0},"inference_geo":"","iterations":[],"speed":"standard"}},"requestId":"req_011CYmhaWJhBraVgGeB8ir7c","type":"assistant","uuid":"68ac7db3-b50f-4dfb-9029-8a8165dc2aee","timestamp":"2026-03-06T10:52:41.312Z"}
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{"parentUuid":"68ac7db3-b50f-4dfb-9029-8a8165dc2aee","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/cc-metric-store","sessionId":"5f3efb98-8d26-43c1-9c36-c7bc61eaf22b","version":"2.1.69","gitBranch":"dev","slug":"polymorphic-popping-gizmo","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01RRrKPh4UhKkBCkTTg1ffMW","type":"tool_result","content":"The file /Users/jan/prg/cc-metric-store/ReleaseNotes.md has been updated successfully."}]},"uuid":"199aadaf-6909-4042-b158-7b88219c65e8","timestamp":"2026-03-06T10:52:44.996Z","toolUseResult":{"type":"update","filePath":"/Users/jan/prg/cc-metric-store/ReleaseNotes.md","content":"# `cc-metric-store` version 0.2.0\n\nThis is a major release of `cc-metric-store`, the metric timeseries cache\nimplementation of ClusterCockpit.\nFor release specific notes visit the [ClusterCockpit Documentation](https://clusterockpit.org/docs/release/).\n\n## Breaking changes\n\n- The internal `memorystore`, `avro`, `resampler`, and `util` packages have been\n removed. The storage engine is now provided by the\n [`cc-backend`](https://github.com/ClusterCockpit/cc-backend) package\n (`cc-backend/pkg/metricstore`). This repository is now the HTTP API wrapper\n only.\n- The configuration schema has changed. Refer to `configs/config.json` for the\n updated structure.\n\n## Notable changes\n\n- **Storage engine extracted to `cc-backend` library**: The entire in-memory\n time-series storage engine was moved to `cc-backend/pkg/metricstore`. This\n reduces duplication in the ClusterCockpit suite and enables shared maintenance\n of the storage layer.\n- **HealthCheck API endpoint**: New `GET /api/healthcheck/` endpoint reports the\n health status of cluster nodes.\n- **Dynamic memory management**: Memory limits can now be adjusted at runtime via\n a callback from the `cc-backend` library.\n- **Configuration schema validation**: The config and metric config JSON schemas\n have been updated and are now validated against the structs they describe.\n- **Startup refactored**: Application startup has been split into `cli.go` and\n `server.go` for clearer separation of concerns.\n- **`go fix` applied**: Codebase updated to current Go idioms.\n- **Dependency upgrades**: `nats.go` bumped from 1.36.0 to 1.47.0;\n `cc-lib` updated to v2.8.0; `cc-backend` updated to v1.5.0; various other\n module upgrades.\n\n---\n\n# `cc-metric-store` version 0.1.1\n\nThis is a bugfix release of `cc-metric-store`, the metric timeseries cache\nimplementation of ClusterCockpit.\nFor release specific notes visit the [ClusterCockpit Documentation](https://clusterockpit.org/docs/release/).\n\nNotable changes in version 0.1.0:\n\n- Cleanup of code and restructuring\n- Document REST API with Swagger\n- Introduce REST API versioning\n- Provide Swagger UI test web-frontend\n- Introduce re-sampling of metric data\n- Support also ms, ns in line protocol\n- Support NATS credentials\n\n## Breaking changes\n\nNone\n","structuredPatch":[{"oldStart":1,"oldLines":3,"newStart":1,"newLines":40,"lines":["+# `cc-metric-store` version 0.2.0","+","+This is a major release of `cc-metric-store`, the metric timeseries cache","+implementation of ClusterCockpit.","+For release specific notes visit the [ClusterCockpit Documentation](https://clusterockpit.org/docs/release/).","+","+## Breaking changes","+","+- The internal `memorystore`, `avro`, `resampler`, and `util` packages have been","+ removed. The storage engine is now provided by the","+ [`cc-backend`](https://github.com/ClusterCockpit/cc-backend) package","+ (`cc-backend/pkg/metricstore`). This repository is now the HTTP API wrapper","+ only.","+- The configuration schema has changed. Refer to `configs/config.json` for the","+ updated structure.","+","+## Notable changes","+","+- **Storage engine extracted to `cc-backend` library**: The entire in-memory","+ time-series storage engine was moved to `cc-backend/pkg/metricstore`. This","+ reduces duplication in the ClusterCockpit suite and enables shared maintenance","+ of the storage layer.","+- **HealthCheck API endpoint**: New `GET /api/healthcheck/` endpoint reports the","+ health status of cluster nodes.","+- **Dynamic memory management**: Memory limits can now be adjusted at runtime via","+ a callback from the `cc-backend` library.","+- **Configuration schema validation**: The config and metric config JSON schemas","+ have been updated and are now validated against the structs they describe.","+- **Startup refactored**: Application startup has been split into `cli.go` and","+ `server.go` for clearer separation of concerns.","+- **`go fix` applied**: Codebase updated to current Go idioms.","+- **Dependency upgrades**: `nats.go` bumped from 1.36.0 to 1.47.0;","+ `cc-lib` updated to v2.8.0; `cc-backend` updated to v1.5.0; various other","+ module upgrades.","+","+---","+"," # `cc-metric-store` version 0.1.1"," "," This is a bugfix release of `cc-metric-store`, the metric timeseries cache"]}],"originalFile":"# `cc-metric-store` version 0.1.1\n\nThis is a bugfix release of `cc-metric-store`, the metric timeseries cache\nimplementation of ClusterCockpit.\nFor release specific notes visit the [ClusterCockpit Documentation](https://clusterockpit.org/docs/release/).\n\nNotable changes in version 0.1.0:\n\n- Cleanup of code and restructuring\n- Document REST API with Swagger\n- Introduce REST API versioning\n- Provide Swagger UI test web-frontend\n- Introduce re-sampling of metric data\n- Support also ms, ns in line protocol\n- Support NATS credentials\n\n## Breaking changes\n\nNone\n"},"sourceToolAssistantUUID":"68ac7db3-b50f-4dfb-9029-8a8165dc2aee"}
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