https://peertube.watch/videos/watch/a810fb7e-8e29-435b-84fc-e15472ead021 The LTTng kernel and user-space tracer can help solve a wide variety of problems (especially those hard to reproduce ones). There are four main ways of extracting and processing an LTTng trace, and each of them addresses a different use-case. In this presentation we will demonstrate these modes and present real-world situations where they can be used. If you already know how to use LTTng you will learn new ways this tool can help you, and if you don't, you will probably discover a new way to address these complex problems. The modes we will demonstrate are: post-processing mode (default), snapshot mode, live mode and the new rotation mode. All of these modes have their pros and cons in a context of monitoring and cloud and we will be happy to discuss with the crowd to see how to address their particular use-cases and help them gain a full-system insight. The intended audience is devops engineers having to deal with complex problems and look for a way to scale their monitoring and debugging method on a small or large fleet of servers. Here is a summary of the modes we will demonstrate and their main use-cases: Speaker: Julien Desfossez, Track: Monitoring and Cloud, Room: UD2.120 (Chavanne), When: Saturday 3 February 2018, 13:50–14:20 (Brussels time), Schedule: FOSDEM 2018 event page, Licence: Creative Commons Attribution 2.0 Belgium (CC BY 2.0 BE) (as stated in the FOSDEM video archive). Attribution: “The LTTng approaches to solving complex problems” by Julien Desfossez, FOSDEM 2018. Original recording: 2018/UD2.120/the_lttng_approaches_to_solving_complex_problems.webm from the FOSDEM video archive. This channel is an unofficial mirror; FOSDEM is a free and non-commercial event organised by the community for the community. Sun, 11 Oct 2026 02:55:11 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.watch https://peertube.watch/lazy-static/avatars/3b284627-b75f-409e-ac2e-10f4c2946f43.png https://peertube.watch/videos/watch/a810fb7e-8e29-435b-84fc-e15472ead021 All rights reserved, unless otherwise specified in the terms specified at https://peertube.watch/about and potential licenses granted by each content's rightholder.