⏰ Cron Job Validator / 定时任务验证器
Test cron expressions, simulate schedule overlaps, and detect missed jobs. / 测试cron表达式，模拟调度重叠，检测遗漏任务。
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Features / 功能特性
• Parse and validate any standard cron expression instantly / 极速解析并验证所有标准cron表达式，让错误配置无所遁形 • Simulate full-year schedule to detect overlapping job triggers / 模拟全年调度周期，一键发现任务冲突与资源争抢风险 • Identify missed executions due to daylight saving time shifts / 智能识别夏令时导致的遗漏执行，保障关键任务准时触发 • Preview next 100 run times with exact timestamps / 精确预览未来100次触发时间，支持批量导出排期表 • Compare multiple cron expressions side-by-side for optimization (Pro) / 多表达式横向对比，Pro版一键优化调度策略减少空转 • Custom timezone-aware validation with historical failure replay (Pro) / 支持时区感知验证与失败回放，Pro版深挖历史遗漏根源
Quick Start / 快速开始
cron-job-validator "0 2 * * *" --year 2025 --timezone America/New_York Validates the cron expression against 2025 DST changes in New York timezone. / 针对2025年纽约夏令时变化验证该cron表达式的执行有效性。
Use Cases / 使用场景
• DevOps engineer checks if backup cron overlaps with database maintenance window / 运维工程师排查备份任务与数据库维护窗口是否存在时间重叠，避免服务中断 • Data analyst validates hourly ETL jobs across multiple servers for missed runs / 数据分析师跨服务器验证每小时ETL任务，找出因时区差异造成的漏洞 • Platform team audits third-party cron expressions before production deployment / 平台团队在上线前审计第三方cron表达式，预防因配置错误引发的生产事故
Plans / 方案对比
| Feature | Free | Pro |
|---|---|---|
| Core / 核心功能 | ✅ | ✅ |
| Batch / 批量处理 | — | ✅ |
| AI / AI 增强 | — | ✅ |
| Support / 支持 | Community | Priority |
• Unlock side-by-side comparison for up to 10 cron expressions simultaneously / 同时比较10个cron表达式，Pro版让调度优化效率翻倍 • Access historical failure replay to pinpoint root causes of missed jobs / 历史失败回放功能，精准定位任务遗漏的根本原因 • Get priority support with custom timezone and complex schedule simulation / 专属技术支持，满足复杂时区与定制调度模拟需求\n\n
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