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51 lines
2.0 KiB
TypeScript
51 lines
2.0 KiB
TypeScript
import { Config, Env } from '../decorators';
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/**
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* Config for the workflow history compaction service, which compacts recent versions and trims old ones to manage storage.
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*/
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@Config
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export class WorkflowHistoryCompactionConfig {
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/**
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* Minimum age in hours before a workflow version is eligible for optimization.
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* Versions compacted are those with `createdAt` between `optimizingMinimumAgeHours - optimizingTimeWindowHours` and `optimizingMinimumAgeHours`.
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*/
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@Env('N8N_WORKFLOW_HISTORY_OPTIMIZING_MINIMUM_AGE_HOURS')
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optimizingMinimumAgeHours: number = 0.25;
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/**
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* Time window in hours used when selecting versions to optimize.
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* Optimization runs roughly every `optimizingTimeWindowHours / 2` hours.
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*/
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@Env('N8N_WORKFLOW_HISTORY_OPTIMIZING_TIME_WINDOW_HOURS')
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optimizingTimeWindowHours: number = 2;
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/**
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* Minimum age in days before a workflow version is eligible for trimming.
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* Versions trimmed are those with `createdAt` between `trimmingMinimumAgeDays - trimmingTimeWindowDays` and `trimmingMinimumAgeDays`.
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*/
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@Env('N8N_WORKFLOW_HISTORY_TRIMMING_MINIMUM_AGE_DAYS')
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trimmingMinimumAgeDays: number = 7;
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/**
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* Time window in days used when selecting versions to trim. Trimming runs once per day.
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*/
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@Env('N8N_WORKFLOW_HISTORY_TRIMMING_TIME_WINDOW_DAYS')
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trimmingTimeWindowDays: number = 2;
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/** Maximum number of workflow versions to process per workflow before waiting `batchDelayMs` before the next workflow. */
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@Env('N8N_WORKFLOW_HISTORY_COMPACTION_BATCH_SIZE')
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batchSize: number = 100;
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/** Delay in milliseconds after processing `batchSize` versions before moving to the next workflow. */
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@Env('N8N_WORKFLOW_HISTORY_COMPACTION_BATCH_DELAY_MS')
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batchDelayMs: number = 1_000;
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/**
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* Whether to run a trim pass on startup (for example, to fix existing history or for development).
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*
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* @warning Blocking; can significantly increase startup time.
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*/
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@Env('N8N_WORKFLOW_HISTORY_COMPACTION_TRIM_ON_START_UP')
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trimOnStartUp: boolean = false;
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}
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