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Jan Eitzinger 795ee56a74 Checkpoint: 15cc90a0347a 
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2026-03-12 06:40:36 +01:00

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Cluster information is now derived from the job archive.\n 19→- **`apiAllowedIPs` is now optional**: If not specified, defaults to not\n 20→ restricted.\n 21→\n 22→### Architecture changes\n 23→\n 24→- **Web framework replaced**: Migrated from `gorilla/mux` to `chi` as the HTTP\n 25→ router. This should be transparent to users but affects how middleware and\n 26→ routes are composed. A proper 404 handler is now in place.\n 27→- **MetricStore moved**: The `metricstore` package has been moved from `internal/`\n 28→ to `pkg/` as it is now part of the public API.\n 29→- **MySQL/MariaDB support removed**: Only SQLite is now supported as the database backend.\n 30→- **Archive to Cleanup renaming**: Archive-related functions have been refactored\n 31→ and renamed to \"Cleanup\" for clarity.\n 32→- **`minRunningFor` filter removed**: This undocumented filter has been removed\n 33→ from the API and frontend.\n 34→\n 35→### Dependency changes\n 36→\n 37→- **cc-lib v2.8.0**: Switched to cc-lib version 2 with updated APIs\n 38→- **cclib NATS client**: Now using the cclib NATS client implementation\n 39→- Removed obsolete `util.Float` usage from cclib\n 40→\n 41→## Major new features\n 42→\n 43→### NATS API Integration\n 44→\n 45→- **Real-time job events**: Subscribe to job start/stop events via NATS\n 46→- **Node state updates**: Receive real-time node state changes via NATS\n 47→- **Configurable subjects**: NATS API subjects are now configurable via `api-subjects`\n 48→- **Deadlock fixes**: Improved NATS client stability and graceful shutdown\n 49→\n 50→### Public Dashboard\n 51→\n 52→- **Public-facing interface**: New public dashboard route for external users\n 53→- **DoubleMetricPlot component**: New visualization component for comparing metrics\n 54→- **Improved layout**: Reviewed and optimized dashboard layouts for better readability\n 55→\n 56→### Enhanced Node Management\n 57→\n 58→- **Node state tracking**: New node table in database with timestamp tracking\n 59→- **Node state filtering**: Filter jobs by node state in systems view\n 60→- **Node list enhancements**: Improved paging, filtering, and continuous scroll support\n 61→- **Nodestate retention and archiving**: Node state data is now subject to configurable\n 62→ retention policies and can be archived to Parquet format for long-term storage\n 63→- **Faulty node metric tracking**: Faulty node state metric lists are persisted to the database\n 64→\n 65→### Health Monitoring\n 66→\n 67→- **Health status dashboard**: New dedicated \"Health\" tab in the status details view\n 68→ showing per-node metric health across the cluster\n 69→- **CCMS health check**: Support for querying health status of external\n 70→ cc-metric-store (CCMS) instances via the API\n 71→- **GraphQL health endpoints**: New GraphQL queries and resolvers for health data\n 72→- **Cluster/subcluster filter**: Filter health status view by cluster or subcluster\n 73→\n 74→### Log Viewer\n 75→\n 76→- **Web-based log viewer**: New log viewer page in the admin interface for inspecting\n 77→ backend log output directly from the browser without shell access\n 78→- **Accessible from header**: Quick access link from the navigation header\n 79→\n 80→### MetricStore Improvements\n 81→\n 82→- **Memory tracking worker**: New worker for CCMS memory usage tracking\n 83→- **Dynamic retention**: Support for job specific dynamic retention times\n 84→- **Improved compression**: Transparent compression for job archive imports\n 85→- **Parallel processing**: Parallelized Iter function in all archive backends\n 86→\n 87→### Job Tagging System\n 88→\n 89→- **Job tagger option**: Enable automatic job tagging via configuration flag\n 90→- **Application detection**: Automatic detection of applications (MATLAB, GROMACS, etc.)\n 91→- **Job classification**: Automatic detection of pathological jobs\n 92→- **omit-tagged**: Option to exclude tagged jobs from retention/cleanup operations (`none`, `all`, or `user`)\n 93→- **Admin UI trigger**: Taggers can be run on-demand from the admin web interface\n 94→ without restarting the backend\n 95→\n 96→### Archive Backends\n 97→\n 98→- **Parquet archive format**: New Parquet file format for job archiving, providing\n 99→ columnar storage with efficient compression for analytical workloads\n 100→- **S3 backend**: Full support for S3-compatible object storage\n 101→- **SQLite backend**: Full support for SQLite backend using blobs\n 102→- **Performance improvements**: Fixed performance bugs in archive backends\n 103→- **Better error handling**: Improved error messages and fallback handling\n 104→- **Zstd compression**: Parquet writers use zstd compression for better\n 105→ compression ratios compared to the previous snappy default\n 106→- **Optimized sort order**: Job and nodestate Parquet files are sorted by\n 107→ cluster, subcluster, and start time for efficient range queries\n 108→\n 109→### Unified Archive Retention and Format Conversion\n 110→\n 111→- **Uniform retention policy**: Job archive retention now supports both JSON and\n 112→ Parquet as target formats under a single, consistent policy configuration\n 113→- **Archive manager tool**: The `tools/archive-manager` utility now supports\n 114→ format conversion between JSON and Parquet job archives\n 115→- **Parquet reader**: Full Parquet archive reader implementation for reading back\n 116→ archived job data\n 117→\n 118→## New features and improvements\n 119→\n 120→### Frontend\n 121→\n 122→- **Loading indicators**: Added loading indicators to status detail and job lists\n 123→- **Job info layout**: Reviewed and improved job info row layout\n 124→- **Metric selection**: Enhanced metric selection with drag-and-drop fixes\n 125→- **Filter presets**: Move list filter preset to URL for easy sharing\n 126→- **Job comparison**: Improved job comparison views and plots\n 127→- **Subcluster reactivity**: Job list now reacts to subcluster filter changes\n 128→- **Short jobs quick selection**: New \"Short jobs\" quick-filter button in job lists\n 129→ replaces the removed undocumented `minRunningFor` filter\n 130→- **Row plot cursor sync**: Cursor position is now synchronized across all metric\n 131→ plots in a job list row for easier cross-metric comparison\n 132→- **Disabled metrics handling**: Improved handling and display of disabled metrics\n 133→ across job view, node view, and list rows\n 134→- **\"Not configured\" info cards**: Informational cards shown when optional features\n 135→ are not yet configured\n 136→- **Frontend dependencies**: Bumped frontend dependencies to latest versions\n 137→- **Svelte 5 compatibility**: Fixed Svelte state warnings and compatibility issues\n 138→\n 139→### Backend\n 140→\n 141→- **Progress bars**: Import function now shows progress during long operations\n 142→- **Better logging**: Improved logging with appropriate log levels throughout\n 143→- **Graceful shutdown**: Fixed shutdown timeout bugs and hanging issues\n 144→- **Configuration defaults**: Sensible defaults for most configuration options\n 145→- **Documentation**: Extensive documentation improvements across packages\n 146→- **Server flag in systemd unit**: Example systemd unit now includes the `-server` flag\n 147→\n 148→### Security\n 149→\n 150→- **LDAP security hardening**: Improved input validation, connection handling, and\n 151→ error reporting in the LDAP authenticator\n 152→- **OIDC security hardening**: Stricter token validation and improved error handling\n 153→ in the OIDC authenticator\n 154→- **Auth schema extensions**: Additional schema fields for improved auth configuration\n 155→\n 156→### API improvements\n 157→\n 158→- **Role-based metric visibility**: Metrics can now have role-based access control\n 159→- **Job exclusivity filter**: New filter for exclusive vs. shared jobs\n 160→- **Improved error messages**: Better error messages and documentation in REST API\n 161→- **GraphQL enhancements**: Improved GraphQL queries and resolvers\n 162→- **Stop job lookup order**: Reversed lookup order in stop job requests for\n 163→ more reliable job matching (cluster+jobId first, then jobId alone)\n 164→\n 165→### Performance\n 166→\n 167→- **Database indices**: Optimized SQLite indices for better query performance\n 168→- **Job cache**: Introduced caching table for faster job inserts\n 169→- **Parallel imports**: Archive imports now run in parallel where possible\n 170→- **External tool integration**: Optimized use of external tools (fd) for better performance\n 171→- **Node repository queries**: Reviewed and optimized node repository SQL queries\n 172→- **Buffer pool**: Resized and pooled internal buffers for better memory reuse\n 173→\n 174→### Developer experience\n 175→\n 176→- **AI agent guidelines**: Added documentation for AI coding agents (AGENTS.md, CLAUDE.md)\n 177→- **Example API payloads**: Added example JSON API payloads for testing\n 178→- **Unit tests**: Added more unit tests for NATS API, node repository, and other components\n 179→- **Test improvements**: Better test coverage; test DB is now copied before unit tests\n 180→ to avoid state pollution between test runs\n 181→- **Parquet writer tests**: Comprehensive tests for Parquet archive writing and conversion\n 182→\n 183→## Bug fixes\n 184→\n 185→- Fixed nodelist paging issues\n 186→- Fixed metric select drag and drop functionality\n 187→- Fixed render race conditions in nodeList\n 188→- Fixed tag count grouping including type\n 189→- Fixed wrong metricstore schema (missing comma)\n 190→- Fixed configuration issues causing shutdown hangs\n 191→- Fixed deadlock when NATS is not configured\n 192→- Fixed archive backend performance bugs\n 193→- Fixed continuous scroll buildup on refresh\n 194→- Improved footprint calculation logic\n 195→- Fixed polar plot data query decoupling\n 196→- Fixed missing resolution parameter handling\n 197→- Fixed node table initialization fallback\n 198→- Fixed reactivity key placement in nodeList\n 199→- Fixed nodeList resolver data handling and increased nodestate filter cutoff\n 200→- Fixed job always being transferred to main job table before archiving\n 201→- Fixed AppTagger error handling and logging\n 202→- Fixed log endpoint formatting and correctness\n 203→- Fixed automatic refresh in metric status tab\n 204→- Fixed NULL value handling in `health_state` and `health_metrics` columns\n 205→- Fixed bugs related to `job_cache` IDs being used in the main job table\n 206→- Fixed SyncJobs bug causing start job hooks to be called with wrong (cache) IDs\n 207→- Fixed 404 handler route for sub-routers\n 208→\n 209→## Configuration changes\n 210→\n 211→### New configuration options\n 212→\n 213→```json\n 214→{\n 215→ \"main\": {\n 216→ \"enable-job-taggers\": true,\n 217→ \"resampling\": {\n 218→ \"minimum-points\": 600,\n 219→ \"trigger\": 180,\n 220→ \"resolutions\": [240, 60]\n 221→ },\n 222→ \"api-subjects\": {\n 223→ \"subject-job-event\": \"cc.job.event\",\n 224→ \"subject-node-state\": \"cc.node.state\"\n 225→ }\n 226→ },\n 227→ \"nats\": {\n 228→ \"address\": \"nats://0.0.0.0:4222\",\n 229→ \"username\": \"root\",\n 230→ \"password\": \"root\"\n 231→ },\n 232→ \"cron\": {\n 233→ \"commit-job-worker\": \"1m\",\n 234→ \"duration-worker\": \"5m\",\n 235→ \"footprint-worker\": \"10m\"\n 236→ },\n 237→ \"metric-store\": {\n 238→ \"cleanup\": {\n 239→ \"mode\": \"archive\",\n 240→ \"interval\": \"48h\",\n 241→ \"directory\": \"./var/archive\"\n 242→ }\n 243→ },\n 244→ \"archive\": {\n 245→ \"retention\": {\n 246→ \"policy\": \"delete\",\n 247→ \"age\": \"6months\",\n 248→ \"target-format\": \"parquet\"\n 249→ }\n 250→ },\n 251→ \"nodestate\": {\n 252→ \"retention\": {\n 253→ \"policy\": \"archive\",\n 254→ \"age\": \"30d\",\n 255→ \"archive-path\": \"./var/nodestate-archive\"\n 256→ }\n 257→ }\n 258→}\n 259→```\n 260→\n 261→## Migration notes\n 262→\n 263→- Review and update your `config.json` to use kebab-case attribute names\n 264→- If using NATS, configure the new `nats` and `api-subjects` sections\n 265→- If using S3 archive backend, configure the new `archive` section options\n 266→- Test the new public dashboard at `/public` route\n 267→- Review cron worker configuration if you need different frequencies\n 268→- If using the archive retention feature, configure the `target-format` option\n 269→ to choose between `json` (default) and `parquet` output formats\n 270→- Consider enabling nodestate retention if you track node states over time\n 271→\n 272→## Known issues\n 273→\n 274→- The new dynamic memory management is not bullet proof yet across restarts. We\n 275→ will fix that in a subsequent patch release\n 276→- Currently energy footprint metrics of type energy are ignored for calculating\n 277→ total energy.\n 278→- With energy footprint metrics of type power the unit is ignored and it is\n 279→ assumed the metric has the unit Watt.\n 280→"}]},"uuid":"032814a4-6372-43ec-8dec-f867095b6384","timestamp":"2026-03-12T05:37:46.035Z","toolUseResult":{"type":"text","file":{"filePath":"/Users/jan/prg/ClusterCockpit/cc-backend/ReleaseNotes.md","content":"# `cc-backend` version 1.5.1\n\nSupports job archive version 3 and database version 11.\n\nThis is a bugfix release of `cc-backend`, the API backend and frontend\nimplementation of ClusterCockpit.\nFor release specific notes visit the [ClusterCockpit Documentation](https://clusterockpit.org/docs/release/).\n\n## Breaking changes\n\n### Configuration changes\n\n- **JSON attribute naming**: All JSON configuration attributes now use `kebab-case`\n style consistently (e.g., `api-allowed-ips` instead of `apiAllowedIPs`).\n Update your `config.json` accordingly.\n- **Removed `disable-archive` option**: This obsolete configuration option has been removed.\n- **Removed `clusters` config section**: The separate clusters configuration section\n has been removed. Cluster information is now derived from the job archive.\n- **`apiAllowedIPs` is now optional**: If not specified, defaults to not\n restricted.\n\n### Architecture changes\n\n- **Web framework replaced**: Migrated from `gorilla/mux` to `chi` as the HTTP\n router. This should be transparent to users but affects how middleware and\n routes are composed. A proper 404 handler is now in place.\n- **MetricStore moved**: The `metricstore` package has been moved from `internal/`\n to `pkg/` as it is now part of the public API.\n- **MySQL/MariaDB support removed**: Only SQLite is now supported as the database backend.\n- **Archive to Cleanup renaming**: Archive-related functions have been refactored\n and renamed to \"Cleanup\" for clarity.\n- **`minRunningFor` filter removed**: This undocumented filter has been removed\n from the API and frontend.\n\n### Dependency changes\n\n- **cc-lib v2.8.0**: Switched to cc-lib version 2 with updated APIs\n- **cclib NATS client**: Now using the cclib NATS client implementation\n- Removed obsolete `util.Float` usage from cclib\n\n## Major new features\n\n### NATS API Integration\n\n- **Real-time job events**: Subscribe to job start/stop events via NATS\n- **Node state updates**: Receive real-time node state changes via NATS\n- **Configurable subjects**: NATS API subjects are now configurable via `api-subjects`\n- **Deadlock fixes**: Improved NATS client stability and graceful shutdown\n\n### Public Dashboard\n\n- **Public-facing interface**: New public dashboard route for external users\n- **DoubleMetricPlot component**: New visualization component for comparing metrics\n- **Improved layout**: Reviewed and optimized dashboard layouts for better readability\n\n### Enhanced Node Management\n\n- **Node state tracking**: New node table in database with timestamp tracking\n- **Node state filtering**: Filter jobs by node state in systems view\n- **Node list enhancements**: Improved paging, filtering, and continuous scroll support\n- **Nodestate retention and archiving**: Node state data is now subject to configurable\n retention policies and can be archived to Parquet format for long-term storage\n- **Faulty node metric tracking**: Faulty node state metric lists are persisted to the database\n\n### Health Monitoring\n\n- **Health status dashboard**: New dedicated \"Health\" tab in the status details view\n showing per-node metric health across the cluster\n- **CCMS health check**: Support for querying health status of external\n cc-metric-store (CCMS) instances via the API\n- **GraphQL health endpoints**: New GraphQL queries and resolvers for health data\n- **Cluster/subcluster filter**: Filter health status view by cluster or subcluster\n\n### Log Viewer\n\n- **Web-based log viewer**: New log viewer page in the admin interface for inspecting\n backend log output directly from the browser without shell access\n- **Accessible from header**: Quick access link from the navigation header\n\n### MetricStore Improvements\n\n- **Memory tracking worker**: New worker for CCMS memory usage tracking\n- **Dynamic retention**: Support for job specific dynamic retention times\n- **Improved compression**: Transparent compression for job archive imports\n- **Parallel processing**: Parallelized Iter function in all archive backends\n\n### Job Tagging System\n\n- **Job tagger option**: Enable automatic job tagging via configuration flag\n- **Application detection**: Automatic detection of applications (MATLAB, GROMACS, etc.)\n- **Job classification**: Automatic detection of pathological jobs\n- **omit-tagged**: Option to exclude tagged jobs from retention/cleanup operations (`none`, `all`, or `user`)\n- **Admin UI trigger**: Taggers can be run on-demand from the admin web interface\n without restarting the backend\n\n### Archive Backends\n\n- **Parquet archive format**: New Parquet file format for job archiving, providing\n columnar storage with efficient compression for analytical workloads\n- **S3 backend**: Full support for S3-compatible object storage\n- **SQLite backend**: Full support for SQLite backend using blobs\n- **Performance improvements**: Fixed performance bugs in archive backends\n- **Better error handling**: Improved error messages and fallback handling\n- **Zstd compression**: Parquet writers use zstd compression for better\n compression ratios compared to the previous snappy default\n- **Optimized sort order**: Job and nodestate Parquet files are sorted by\n cluster, subcluster, and start time for efficient range queries\n\n### Unified Archive Retention and Format Conversion\n\n- **Uniform retention policy**: Job archive retention now supports both JSON and\n Parquet as target formats under a single, consistent policy configuration\n- **Archive manager tool**: The `tools/archive-manager` utility now supports\n format conversion between JSON and Parquet job archives\n- **Parquet reader**: Full Parquet archive reader implementation for reading back\n archived job data\n\n## New features and improvements\n\n### Frontend\n\n- **Loading indicators**: Added loading indicators to status detail and job lists\n- **Job info layout**: Reviewed and improved job info row layout\n- **Metric selection**: Enhanced metric selection with drag-and-drop fixes\n- **Filter presets**: Move list filter preset to URL for easy sharing\n- **Job comparison**: Improved job comparison views and plots\n- **Subcluster reactivity**: Job list now reacts to subcluster filter changes\n- **Short jobs quick selection**: New \"Short jobs\" quick-filter button in job lists\n replaces the removed undocumented `minRunningFor` filter\n- **Row plot cursor sync**: Cursor position is now synchronized across all metric\n plots in a job list row for easier cross-metric comparison\n- **Disabled metrics handling**: Improved handling and display of disabled metrics\n across job view, node view, and list rows\n- **\"Not configured\" info cards**: Informational cards shown when optional features\n are not yet configured\n- **Frontend dependencies**: Bumped frontend dependencies to latest versions\n- **Svelte 5 compatibility**: Fixed Svelte state warnings and compatibility issues\n\n### Backend\n\n- **Progress bars**: Import function now shows progress during long operations\n- **Better logging**: Improved logging with appropriate log levels throughout\n- **Graceful shutdown**: Fixed shutdown timeout bugs and hanging issues\n- **Configuration defaults**: Sensible defaults for most configuration options\n- **Documentation**: Extensive documentation improvements across packages\n- **Server flag in systemd unit**: Example systemd unit now includes the `-server` flag\n\n### Security\n\n- **LDAP security hardening**: Improved input validation, connection handling, and\n error reporting in the LDAP authenticator\n- **OIDC security hardening**: Stricter token validation and improved error handling\n in the OIDC authenticator\n- **Auth schema extensions**: Additional schema fields for improved auth configuration\n\n### API improvements\n\n- **Role-based metric visibility**: Metrics can now have role-based access control\n- **Job exclusivity filter**: New filter for exclusive vs. shared jobs\n- **Improved error messages**: Better error messages and documentation in REST API\n- **GraphQL enhancements**: Improved GraphQL queries and resolvers\n- **Stop job lookup order**: Reversed lookup order in stop job requests for\n more reliable job matching (cluster+jobId first, then jobId alone)\n\n### Performance\n\n- **Database indices**: Optimized SQLite indices for better query performance\n- **Job cache**: Introduced caching table for faster job inserts\n- **Parallel imports**: Archive imports now run in parallel where possible\n- **External tool integration**: Optimized use of external tools (fd) for better performance\n- **Node repository queries**: Reviewed and optimized node repository SQL queries\n- **Buffer pool**: Resized and pooled internal buffers for better memory reuse\n\n### Developer experience\n\n- **AI agent guidelines**: Added documentation for AI coding agents (AGENTS.md, CLAUDE.md)\n- **Example API payloads**: Added example JSON API payloads for testing\n- **Unit tests**: Added more unit tests for NATS API, node repository, and other components\n- **Test improvements**: Better test coverage; test DB is now copied before unit tests\n to avoid state pollution between test runs\n- **Parquet writer tests**: Comprehensive tests for Parquet archive writing and conversion\n\n## Bug fixes\n\n- Fixed nodelist paging issues\n- Fixed metric select drag and drop functionality\n- Fixed render race conditions in nodeList\n- Fixed tag count grouping including type\n- Fixed wrong metricstore schema (missing comma)\n- Fixed configuration issues causing shutdown hangs\n- Fixed deadlock when NATS is not configured\n- Fixed archive backend performance bugs\n- Fixed continuous scroll buildup on refresh\n- Improved footprint calculation logic\n- Fixed polar plot data query decoupling\n- Fixed missing resolution parameter handling\n- Fixed node table initialization fallback\n- Fixed reactivity key placement in nodeList\n- Fixed nodeList resolver data handling and increased nodestate filter cutoff\n- Fixed job always being transferred to main job table before archiving\n- Fixed AppTagger error handling and logging\n- Fixed log endpoint formatting and correctness\n- Fixed automatic refresh in metric status tab\n- Fixed NULL value handling in `health_state` and `health_metrics` columns\n- Fixed bugs related to `job_cache` IDs being used in the main job table\n- Fixed SyncJobs bug causing start job hooks to be called with wrong (cache) IDs\n- Fixed 404 handler route for sub-routers\n\n## Configuration changes\n\n### New configuration options\n\n```json\n{\n \"main\": {\n \"enable-job-taggers\": true,\n \"resampling\": {\n \"minimum-points\": 600,\n \"trigger\": 180,\n \"resolutions\": [240, 60]\n },\n \"api-subjects\": {\n \"subject-job-event\": \"cc.job.event\",\n \"subject-node-state\": \"cc.node.state\"\n }\n },\n \"nats\": {\n \"address\": \"nats://0.0.0.0:4222\",\n \"username\": \"root\",\n \"password\": \"root\"\n },\n \"cron\": {\n \"commit-job-worker\": \"1m\",\n \"duration-worker\": \"5m\",\n \"footprint-worker\": \"10m\"\n },\n \"metric-store\": {\n \"cleanup\": {\n \"mode\": \"archive\",\n \"interval\": \"48h\",\n \"directory\": \"./var/archive\"\n }\n },\n \"archive\": {\n \"retention\": {\n \"policy\": \"delete\",\n \"age\": \"6months\",\n \"target-format\": \"parquet\"\n }\n },\n \"nodestate\": {\n \"retention\": {\n \"policy\": \"archive\",\n \"age\": \"30d\",\n \"archive-path\": \"./var/nodestate-archive\"\n }\n }\n}\n```\n\n## Migration notes\n\n- Review and update your `config.json` to use kebab-case attribute names\n- If using NATS, configure the new `nats` and `api-subjects` sections\n- If using S3 archive backend, configure the new `archive` section options\n- Test the new public dashboard at `/public` route\n- Review cron worker configuration if you need different frequencies\n- If using the archive retention feature, configure the `target-format` option\n to choose between `json` (default) and `parquet` output formats\n- Consider enabling nodestate retention if you track node states over time\n\n## Known issues\n\n- The new dynamic memory management is not bullet proof yet across restarts. 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{"parentUuid":"712801ce-097a-4e8a-8b8e-142458bbf7f3","isSidechain":false,"userType":"external","cwd":"/Users/jan/prg/ClusterCockpit/cc-backend","sessionId":"ff9dfa67-f76a-4fef-88c2-6f742aa095ee","version":"2.1.72","gitBranch":"hotfix","slug":"tranquil-splashing-swan","message":{"model":"claude-opus-4-6","id":"msg_01TWy9NrZkxiQqX49LemUEmt","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me check what's already staged/modified in ReleaseNotes and look at the diff."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":4395,"cache_read_input_tokens":18397,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4395},"output_tokens":8,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYxeSEuhjv921cogWyMyy","type":"assistant","uuid":"aefa24ee-91aa-4984-b10a-cee73669f0ab","timestamp":"2026-03-12T05:37:51.873Z"}
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Cluster information is now derived from the job archive.\n- **`apiAllowedIPs` is now optional**: If not specified, defaults to not\n restricted.\n\n### Architecture changes\n\n- **Web framework replaced**: Migrated from `gorilla/mux` to `chi` as the HTTP\n router. This should be transparent to users but affects how middleware and\n routes are composed. A proper 404 handler is now in place.\n- **MetricStore moved**: The `metricstore` package has been moved from `internal/`\n to `pkg/` as it is now part of the public API.\n- **MySQL/MariaDB support removed**: Only SQLite is now supported as the database backend.\n- **Archive to Cleanup renaming**: Archive-related functions have been refactored\n and renamed to \"Cleanup\" for clarity.\n- **`minRunningFor` filter removed**: This undocumented filter has been removed\n from the API and frontend.\n\n### Dependency changes\n\n- **cc-lib v2.8.0**: Switched to cc-lib version 2 with updated APIs\n- **cclib NATS client**: Now using the cclib NATS client implementation\n- Removed obsolete `util.Float` usage from cclib\n\n## Major new features\n\n### NATS API Integration\n\n- **Real-time job events**: Subscribe to job start/stop events via NATS\n- **Node state updates**: Receive real-time node state changes via NATS\n- **Configurable subjects**: NATS API subjects are now configurable via `api-subjects`\n- **Deadlock fixes**: Improved NATS client stability and graceful shutdown\n\n### Public Dashboard\n\n- **Public-facing interface**: New public dashboard route for external users\n- **DoubleMetricPlot component**: New visualization component for comparing metrics\n- **Improved layout**: Reviewed and optimized dashboard layouts for better readability\n\n### Enhanced Node Management\n\n- **Node state tracking**: New node table in database with timestamp tracking\n- **Node state filtering**: Filter jobs by node state in systems view\n- **Node list enhancements**: Improved paging, filtering, and continuous scroll support\n- **Nodestate retention and archiving**: Node state data is now subject to configurable\n retention policies and can be archived to Parquet format for long-term storage\n- **Faulty node metric tracking**: Faulty node state metric lists are persisted to the database\n\n### Health Monitoring\n\n- **Health status dashboard**: New dedicated \"Health\" tab in the status details view\n showing per-node metric health across the cluster\n- **CCMS health check**: Support for querying health status of external\n cc-metric-store (CCMS) instances via the API\n- **GraphQL health endpoints**: New GraphQL queries and resolvers for health data\n- **Cluster/subcluster filter**: Filter health status view by cluster or subcluster\n\n### Log Viewer\n\n- **Web-based log viewer**: New log viewer page in the admin interface for inspecting\n backend log output directly from the browser without shell access\n- **Accessible from header**: Quick access link from the navigation header\n\n### MetricStore Improvements\n\n- **Memory tracking worker**: New worker for CCMS memory usage tracking\n- **Dynamic retention**: Support for job specific dynamic retention times\n- **Improved compression**: Transparent compression for job archive imports\n- **Parallel processing**: Parallelized Iter function in all archive backends\n\n### Job Tagging System\n\n- **Job tagger option**: Enable automatic job tagging via configuration flag\n- **Application detection**: Automatic detection of applications (MATLAB, GROMACS, etc.)\n- **Job classification**: Automatic detection of pathological jobs\n- **omit-tagged**: Option to exclude tagged jobs from retention/cleanup operations (`none`, `all`, or `user`)\n- **Admin UI trigger**: Taggers can be run on-demand from the admin web interface\n without restarting the backend\n\n### Archive Backends\n\n- **Parquet archive format**: New Parquet file format for job archiving, providing\n columnar storage with efficient compression for analytical workloads\n- **S3 backend**: Full support for S3-compatible object storage\n- **SQLite backend**: Full support for SQLite backend using blobs\n- **Performance improvements**: Fixed performance bugs in archive backends\n- **Better error handling**: Improved error messages and fallback handling\n- **Zstd compression**: Parquet writers use zstd compression for better\n compression ratios compared to the previous snappy default\n- **Optimized sort order**: Job and nodestate Parquet files are sorted by\n cluster, subcluster, and start time for efficient range queries\n\n### Unified Archive Retention and Format Conversion\n\n- **Uniform retention policy**: Job archive retention now supports both JSON and\n Parquet as target formats under a single, consistent policy configuration\n- **Archive manager tool**: The `tools/archive-manager` utility now supports\n format conversion between JSON and Parquet job archives\n- **Parquet reader**: Full Parquet archive reader implementation for reading back\n archived job data\n\n## New features and improvements\n\n### Frontend\n\n- **Loading indicators**: Added loading indicators to status detail and job lists\n- **Job info layout**: Reviewed and improved job info row layout\n- **Metric selection**: Enhanced metric selection with drag-and-drop fixes\n- **Filter presets**: Move list filter preset to URL for easy sharing\n- **Job comparison**: Improved job comparison views and plots\n- **Subcluster reactivity**: Job list now reacts to subcluster filter changes\n- **Short jobs quick selection**: New \"Short jobs\" quick-filter button in job lists\n replaces the removed undocumented `minRunningFor` filter\n- **Row plot cursor sync**: Cursor position is now synchronized across all metric\n plots in a job list row for easier cross-metric comparison\n- **Disabled metrics handling**: Improved handling and display of disabled metrics\n across job view, node view, and list rows\n- **\"Not configured\" info cards**: Informational cards shown when optional features\n are not yet configured\n- **Frontend dependencies**: Bumped frontend dependencies to latest versions\n- **Svelte 5 compatibility**: Fixed Svelte state warnings and compatibility issues\n\n### Backend\n\n- **Progress bars**: Import function now shows progress during long operations\n- **Better logging**: Improved logging with appropriate log levels throughout\n- **Graceful shutdown**: Fixed shutdown timeout bugs and hanging issues\n- **Configuration defaults**: Sensible defaults for most configuration options\n- **Documentation**: Extensive documentation improvements across packages\n- **Server flag in systemd unit**: Example systemd unit now includes the `-server` flag\n\n### Security\n\n- **LDAP security hardening**: Improved input validation, connection handling, and\n error reporting in the LDAP authenticator\n- **OIDC security hardening**: Stricter token validation and improved error handling\n in the OIDC authenticator\n- **Auth schema extensions**: Additional schema fields for improved auth configuration\n\n### API improvements\n\n- **Role-based metric visibility**: Metrics can now have role-based access control\n- **Job exclusivity filter**: New filter for exclusive vs. shared jobs\n- **Improved error messages**: Better error messages and documentation in REST API\n- **GraphQL enhancements**: Improved GraphQL queries and resolvers\n- **Stop job lookup order**: Reversed lookup order in stop job requests for\n more reliable job matching (cluster+jobId first, then jobId alone)\n\n### Performance\n\n- **Database indices**: Optimized SQLite indices for better query performance\n- **Job cache**: Introduced caching table for faster job inserts\n- **Parallel imports**: Archive imports now run in parallel where possible\n- **External tool integration**: Optimized use of external tools (fd) for better performance\n- **Node repository queries**: Reviewed and optimized node repository SQL queries\n- **Buffer pool**: Resized and pooled internal buffers for better memory reuse\n\n### Developer experience\n\n- **AI agent guidelines**: Added documentation for AI coding agents (AGENTS.md, CLAUDE.md)\n- **Example API payloads**: Added example JSON API payloads for testing\n- **Unit tests**: Added more unit tests for NATS API, node repository, and other components\n- **Test improvements**: Better test coverage; test DB is now copied before unit tests\n to avoid state pollution between test runs\n- **Parquet writer tests**: Comprehensive tests for Parquet archive writing and conversion\n\n## Bug fixes\n\n- Fixed nodelist paging issues\n- Fixed metric select drag and drop functionality\n- Fixed render race conditions in nodeList\n- Fixed tag count grouping including type\n- Fixed wrong metricstore schema (missing comma)\n- Fixed configuration issues causing shutdown hangs\n- Fixed deadlock when NATS is not configured\n- Fixed archive backend performance bugs\n- Fixed continuous scroll buildup on refresh\n- Improved footprint calculation logic\n- Fixed polar plot data query decoupling\n- Fixed missing resolution parameter handling\n- Fixed node table initialization fallback\n- Fixed reactivity key placement in nodeList\n- Fixed nodeList resolver data handling and increased nodestate filter cutoff\n- Fixed job always being transferred to main job table before archiving\n- Fixed AppTagger error handling and logging\n- Fixed log endpoint formatting and correctness\n- Fixed automatic refresh in metric status tab\n- Fixed NULL value handling in `health_state` and `health_metrics` columns\n- Fixed bugs related to `job_cache` IDs being used in the main job table\n- Fixed SyncJobs bug causing start job hooks to be called with wrong (cache) IDs\n- Fixed 404 handler route for sub-routers\n\n## Configuration changes\n\n### New configuration options\n\n```json\n{\n \"main\": {\n \"enable-job-taggers\": true,\n \"resampling\": {\n \"minimum-points\": 600,\n \"trigger\": 180,\n \"resolutions\": [240, 60]\n },\n \"api-subjects\": {\n \"subject-job-event\": \"cc.job.event\",\n \"subject-node-state\": \"cc.node.state\"\n }\n },\n \"nats\": {\n \"address\": \"nats://0.0.0.0:4222\",\n \"username\": \"root\",\n \"password\": \"root\"\n },\n \"cron\": {\n \"commit-job-worker\": \"1m\",\n \"duration-worker\": \"5m\",\n \"footprint-worker\": \"10m\"\n },\n \"metric-store\": {\n \"cleanup\": {\n \"mode\": \"archive\",\n \"interval\": \"48h\",\n \"directory\": \"./var/archive\"\n }\n },\n \"archive\": {\n \"retention\": {\n \"policy\": \"delete\",\n \"age\": \"6months\",\n \"target-format\": \"parquet\"\n }\n },\n \"nodestate\": {\n \"retention\": {\n \"policy\": \"archive\",\n \"age\": \"30d\",\n \"archive-path\": \"./var/nodestate-archive\"\n }\n }\n}\n```\n\n## Migration notes\n\n- Review and update your `config.json` to use kebab-case attribute names\n- If using NATS, configure the new `nats` and `api-subjects` sections\n- If using S3 archive backend, configure the new `archive` section options\n- Test the new public dashboard at `/public` route\n- Review cron worker configuration if you need different frequencies\n- If using the archive retention feature, configure the `target-format` option\n to choose between `json` (default) and `parquet` output formats\n- Consider enabling nodestate retention if you track node states over time\n\n## Known issues\n\n- The new dynamic memory management is not bullet proof yet across restarts. We\n will fix that in a subsequent patch release\n- Currently energy footprint metrics of type energy are ignored for calculating\n total energy.\n- With energy footprint metrics of type power the unit is ignored and it is\n assumed the metric has the unit Watt.\n","structuredPatch":[{"oldStart":6,"oldLines":6,"newStart":6,"newLines":38,"lines":[" implementation of ClusterCockpit."," For release specific notes visit the [ClusterCockpit Documentation](https://clusterockpit.org/docs/release/)."," ","+## Changes in 1.5.1","+","+### Database","+","+- **New migration (version 11)**: Optimized database index count for better performance","+- **ANALYZE on startup**: Database statistics are now refreshed on startup for improved query planning","+- **SQLite configuration hardening**: Sanitized SQLite configuration with new configurable options; fixes large heap allocations in the SQLite driver","+- **Query cancellation**: Long-running database queries can now be cancelled","+- **Resource leak fix**: Added missing `defer Close()` calls for all query result sets","+","+### Bug fixes","+","+- **Segfault when taggers misconfigured**: Fixed crash when `enable-job-taggers` is set but tagger rule directories are missing","+- **GroupBy stats query complexity**: Reduced complexity for `groupBy` statistics queries","+- **Ranged filter conditions**: Fixed GT and LT conditions in ranged filters","+- **Energy filter preset**: Reduced energy filter preset to a more practical default","+- **JSON validity check**: Fixed wrong field being checked for JSON validity","+- **Tagger float rounding**: Fixed rounding of floats in tagger messages","+- **Node view null safety**: Added null-safe checks in node view to prevent runtime errors","+","+### Frontend","+","+- **Bumped patch versions**: Updated frontend dependencies to latest patch versions","+","+### Documentation","+","+- **New DB config options**: Added new database configuration options to README","+","+---","+","+*The sections below document all features and changes introduced in the 1.5.0 major release, which 1.5.1 is based on.*","+"," ## Breaking changes"," "," ### Configuration changes"]}],"userModified":false,"replaceAll":false},"sourceToolAssistantUUID":"5a37fed3-3708-4b22-95a8-2e4359164bd2"}
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