{"adoption": {"forks": 519, "observed_at": "2026-08-28T04:08:46.909753+00:00", "stars": 4376}, "canonical_url": "https://ross.abutalabs.com/products/mesos-chronos", "card": {"archived": false, "artifact_type": "service", "description": "Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules", "domain": ["microservices", "big-data"], "enriched": true, "function": ["scheduling", "workflow-automation", "deployment"], "health_score": 20, "homepage": "http://mesos.github.io/chronos/", "language": "Scala", "license": "Apache-2.0", "license_family": "permissive", "maturity": "maintenance", "member_repos": ["mesos/chronos"], "name": "mesos/chronos", "platform": ["self-hosted", "jvm"], "pushed_at": "2022-06-29T19:43:36+00:00", "repo": "mesos/chronos", "stars": 4376, "tags": ["mesos-framework", "cron-replacement", "job-scheduler", "iso8601", "distributed-scheduler", "scala", "docker-support", "zookeeper", "devops", "automation", "linux", "docker"], "topics": ["chronos", "mesos", "job-scheduler", "scheduled-jobs", "fault-tolerance", "cron", "crontab", "cron-jobs", "mesos-framework", "chronos-scheduler", "mesosphere"], "urls": [], "use_cases": ["schedule recurring jobs across a Mesos cluster instead of cron", "run jobs with dependencies where a job triggers after its parents complete", "schedule batch workloads like Hadoop or EMR jobs on Mesos", "run scheduled jobs inside Docker containers", "get fault-tolerant leader/follower scheduling with retries and job history"], "what_it_is": "Chronos is a distributed, fault-tolerant job scheduler that runs on Apache Mesos as a replacement for cron. It supports ISO8601 repeating interval schedules, dependency-based job chains, Docker containers, and provides a web UI with job stats and history.", "when_to_avoid": ["you run Kubernetes instead of Mesos - use Kubernetes CronJobs or Argo Workflows", "you need a simple single-host cron replacement", "you need an actively developed scheduler - the project has seen little recent activity"], "when_to_choose": ["you already run Apache Mesos or DC/OS and need cron-like scheduling", "you need dependency chains between scheduled jobs", "you need fault tolerance, retries, and job stats for scheduled workloads"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/mesos-chronos", "repo": "mesos/chronos", "role": "main", "score": 23}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:21:20.023712+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4393f070da5705ad162b4fd35316060406b60c3bcf5af478bf190d088d2511c6", "fetched_at": "2026-08-28T04:08:46.909753+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mesos/chronos"}, {"content_hash": "4d53934d6c3aae09adb0ef61165c0fee1c55d567936c2b228582603131f2f54f", "fetched_at": "2026-08-29T09:09:33.367276+00:00", "kind": "homepage", "missing": false, "url": "http://mesos.github.io/chronos/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:21:20.023712+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4393f070da5705ad162b4fd35316060406b60c3bcf5af478bf190d088d2511c6", "fetched_at": "2026-08-28T04:08:46.909753+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mesos/chronos"}, {"content_hash": "4d53934d6c3aae09adb0ef61165c0fee1c55d567936c2b228582603131f2f54f", "fetched_at": "2026-08-29T09:09:33.367276+00:00", "kind": "homepage", "missing": false, "url": "http://mesos.github.io/chronos/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:21:20.023712+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4393f070da5705ad162b4fd35316060406b60c3bcf5af478bf190d088d2511c6", "fetched_at": "2026-08-28T04:08:46.909753+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mesos/chronos"}, {"content_hash": "4d53934d6c3aae09adb0ef61165c0fee1c55d567936c2b228582603131f2f54f", "fetched_at": "2026-08-29T09:09:33.367276+00:00", "kind": "homepage", "missing": false, "url": "http://mesos.github.io/chronos/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:21:20.023712+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4393f070da5705ad162b4fd35316060406b60c3bcf5af478bf190d088d2511c6", "fetched_at": "2026-08-28T04:08:46.909753+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mesos/chronos"}, {"content_hash": "4d53934d6c3aae09adb0ef61165c0fee1c55d567936c2b228582603131f2f54f", "fetched_at": "2026-08-29T09:09:33.367276+00:00", "kind": "homepage", "missing": false, "url": "http://mesos.github.io/chronos/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:21:20.023712+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4393f070da5705ad162b4fd35316060406b60c3bcf5af478bf190d088d2511c6", "fetched_at": "2026-08-28T04:08:46.909753+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mesos/chronos"}, {"content_hash": "4d53934d6c3aae09adb0ef61165c0fee1c55d567936c2b228582603131f2f54f", "fetched_at": "2026-08-29T09:09:33.367276+00:00", "kind": "homepage", "missing": false, "url": "http://mesos.github.io/chronos/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:21:20.023712+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4393f070da5705ad162b4fd35316060406b60c3bcf5af478bf190d088d2511c6", "fetched_at": "2026-08-28T04:08:46.909753+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mesos/chronos"}, {"content_hash": "4d53934d6c3aae09adb0ef61165c0fee1c55d567936c2b228582603131f2f54f", "fetched_at": "2026-08-29T09:09:33.367276+00:00", "kind": "homepage", "missing": false, "url": "http://mesos.github.io/chronos/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.909753+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:21:20.023712+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4393f070da5705ad162b4fd35316060406b60c3bcf5af478bf190d088d2511c6", "fetched_at": "2026-08-28T04:08:46.909753+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mesos/chronos"}, {"content_hash": "4d53934d6c3aae09adb0ef61165c0fee1c55d567936c2b228582603131f2f54f", "fetched_at": "2026-08-29T09:09:33.367276+00:00", "kind": "homepage", "missing": false, "url": "http://mesos.github.io/chronos/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:21:20.023712+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4393f070da5705ad162b4fd35316060406b60c3bcf5af478bf190d088d2511c6", "fetched_at": "2026-08-28T04:08:46.909753+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mesos/chronos"}, {"content_hash": "4d53934d6c3aae09adb0ef61165c0fee1c55d567936c2b228582603131f2f54f", "fetched_at": "2026-08-29T09:09:33.367276+00:00", "kind": "homepage", "missing": false, "url": "http://mesos.github.io/chronos/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:21:20.023712+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4393f070da5705ad162b4fd35316060406b60c3bcf5af478bf190d088d2511c6", "fetched_at": "2026-08-28T04:08:46.909753+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mesos/chronos"}, {"content_hash": "4d53934d6c3aae09adb0ef61165c0fee1c55d567936c2b228582603131f2f54f", "fetched_at": "2026-08-29T09:09:33.367276+00:00", "kind": "homepage", "missing": false, "url": "http://mesos.github.io/chronos/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:21:20.023712+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "4393f070da5705ad162b4fd35316060406b60c3bcf5af478bf190d088d2511c6", "fetched_at": "2026-08-28T04:08:46.909753+00:00", "kind": "readme", "missing": false, "url": "https://github.com/mesos/chronos"}, {"content_hash": "4d53934d6c3aae09adb0ef61165c0fee1c55d567936c2b228582603131f2f54f", "fetched_at": "2026-08-29T09:09:33.367276+00:00", "kind": "homepage", "missing": false, "url": "http://mesos.github.io/chronos/"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4949, "days_push": 1526, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 23, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}