{"id":47797923,"url":"https://github.com/astrolabsoftware/fink-kafka-perf","last_synced_at":"2026-04-03T16:39:16.965Z","repository":{"id":345017941,"uuid":"1184002480","full_name":"astrolabsoftware/fink-kafka-perf","owner":"astrolabsoftware","description":"Wrapper to measure Kafka performances","archived":false,"fork":false,"pushed_at":"2026-03-17T09:26:51.000Z","size":18,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2026-03-17T23:48:23.422Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Shell","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/astrolabsoftware.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2026-03-17T06:40:09.000Z","updated_at":"2026-03-17T09:26:55.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/astrolabsoftware/fink-kafka-perf","commit_stats":null,"previous_names":["astrolabsoftware/fink-kafka-perf"],"tags_count":null,"template":false,"template_full_name":null,"purl":"pkg:github/astrolabsoftware/fink-kafka-perf","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/astrolabsoftware%2Ffink-kafka-perf","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/astrolabsoftware%2Ffink-kafka-perf/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/astrolabsoftware%2Ffink-kafka-perf/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/astrolabsoftware%2Ffink-kafka-perf/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/astrolabsoftware","download_url":"https://codeload.github.com/astrolabsoftware/fink-kafka-perf/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/astrolabsoftware%2Ffink-kafka-perf/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31364544,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-03T15:19:21.178Z","status":"ssl_error","status_checked_at":"2026-04-03T15:19:20.670Z","response_time":107,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2026-04-03T16:39:16.056Z","updated_at":"2026-04-03T16:39:16.954Z","avatar_url":"https://github.com/astrolabsoftware.png","language":"Shell","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Kafka performances\n\nThis repository offers tools to measure and report performances when polling Fink Kafka servers (used in the Data Transfer, Livestream, and Xmatch services). Simply use:\n\n\n```bash\n# For LSST with default topic\n./fink_kafka_perf -survey lsst\n\n# For LSST with any Data Transfer topic\n./fink_kafka_perf -survey lsst -topic ftransfer_lsst_2026-03-17_244593\n\n# For ZTF with default topic\n./fink_kafka_perf -survey ztf\n```\n\nThe first time you run it, it will download Kafka. Performance runs are polling 5,000 messages by default (about 500MB). Logs will be appended in a file `fink_kafka_output_\u003cSURVEY\u003e.log`. To check all existing options:\n\n```bash\nfinkenv ❯ ./fink_kafka_perf -h\n\nfink_kafka_perf is a wrapper around Kafka performance measurement tools specialised for Fink. It is meant to inspect slow connections to the Fink Kafka servers.\n\n  Find more information on Fink at https://fink-broker.org\n\nUsage: fink_kafka_perf [OPTIONS]\n\nOptions:\n  -h          Show this help\n  -survey     Survey name (ztf, lsst)\n  -topic      Kafka topic name. Optional. Default topics for performance are:\n                - ZTF:  fink_sso_ztf_candidates_ztf\n                - LSST: fink_sn_near_galaxy_candidate_lsst\n              Note that any Livestream topics or Data Transfer topic works.\n  -nmessages  Number of messages to poll. Optional. Default is 5000.\n  -timeout    Timeout in milliseconds. Optional. Default is 20000.\n  -kVersion   Kafka version to use. Optional. Default is 2.8.1.\n\nExamples:\n  ./fink_kafka_perf -survey lsst   # using default topic\n  ./fink_kafka_perf -survey ztf    # using default topic\n\n  # Using Data Transfer topic\n  ./fink_kafka_perf -survey lsst -topic ftransfer_lsst_2026-03-17_244593\n```\n\n## Fink debugging\n\nExecute:\n\n```bash\n# For LSST with any Data Transfer topic\n./fink_kafka_perf -survey lsst -topic ftransfer_lsst_2026-03-17_244593\n\n# For ZTF with default topic\n./fink_kafka_perf -survey ztf\n```\n\nDo not upload report publicly (they contain public IP). Instead send a private message to me on Slack or email.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fastrolabsoftware%2Ffink-kafka-perf","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fastrolabsoftware%2Ffink-kafka-perf","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fastrolabsoftware%2Ffink-kafka-perf/lists"}