CPAN Realtime feed
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This document summarizes how a new module is uploaded and distributed on CPAN. It takes approximately 48 hours from when an author uploads a module until it is available to most users. To address this, a real-time CPAN feed was created using FriendFeed to notify users more quickly, within an hour, after a new module is uploaded. The cpanf application allows users to install new CPAN modules via these real-time feeds to get modules more quickly than waiting for the standard 24 hour CPAN cache update.
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CPAN Realtime feed
- 1. CPAN realtime feed Tatsuhiko Miyagawa YAPC::Asia 2009 lightning talks
- 2. CPAN authors? (upload your module now)
- 3. What happens when a new module is uploaded to CPAN
- 4. PAUSE Perl Author Upload Server
- 6. 5s
- 8. ~30s
- 9. QA mirrors: fetches the diff
- 10. ~20s
- 12. 1 hour
- 13. Other mirrors: rsync diffs
- 14. 1~24 hour
- 17. Upload (10s) PAUSE index (30s) QA mirrors sync (20s) QA reindex (1h) rsync mirrors (~24h) CPAN cache (~24h)
- 18. ~48 hours
- 19. Not cool.
- 20. A solution: CPAN Realtime feed
- 22. The bot Fetching QA’s diffs
- 23. Upload (10s) PAUSE index (30s) QA mirrors sync (20s) QA reindex (1h) rsync mirrors (~24h) CPAN cache (~24h)
- 24. FriendFeed: XMPP, APIs, Feeds PubSubHubbub
- 26. Install CPAN modules via real time feeds