feat: Add per-task Fusion control via disk directive #6508
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Add optional Boolean fusion field to DiskResource to allow per-task control of Fusion filesystem usage. Changes: - Add fusion field to DiskResource class - Update constructor to accept fusion parameter from disk directive - Make request field optional (can be null) for fusion-only usage - Update withRequest() to preserve fusion setting - Update toString() via @tostring to include fusion field This enables syntax like: disk fusion: false disk request: '100 GB', fusion: true Signed-off-by: Edmund Miller <[email protected]>
Enable per-task control of Fusion filesystem by checking the disk.fusion setting before falling back to executor-level configuration. Changes: - Modify fusionEnabled() in FusionAwareTask to check task's disk.fusion setting first - Fall back to executor.isFusionEnabled() if disk.fusion is not specified - Task-level setting takes priority over global fusion.enabled config - Add null-safe navigation for config to handle cases where task config may not be set (e.g., in test mocks) Priority order: 1. Task-level disk.fusion setting (highest) 2. Executor/session-level fusion.enabled config (fallback) This provides a clearer alternative to using "scratch false" for disabling Fusion on problematic tasks. Signed-off-by: Edmund Miller <[email protected]>
Add comprehensive unit tests for the disk fusion feature. Changes: - Add test cases for DiskResource with fusion field - Test all combinations: fusion true/false/null - Test fusion field preservation in withRequest() - Test combined usage with type and request fields Tests verify: - DiskResource correctly stores fusion setting - Fusion setting persists through withRequest() transformations - All disk directive syntax variants parse correctly Signed-off-by: Edmund Miller <[email protected]>
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Summary
Per-task Fusion control via
disk fusion: true/false- a clearer alternative toscratch false.Behavior Matrix
truetruefalsetruetruefalsetruetruetruefalsePrecedence:
scratch=true>disk.fusion>fusion.enabledSyntax
process myTask { disk fusion: false // Disable Fusion for this task disk request: '100 GB', fusion: true // With disk size disk request: '375 GB', type: 'local-ssd', fusion: false // With GCP disk type }Notes
scratch falsestill worksdisk.fusionworks (disk.type/requestignored - existing behavior)