MythLogBot@irc.freenode.net :: #mythtv

Daily chat history

Current users (68):

aloril, Anssi, caelor_, Casper0082, ChanServ, clever, coling, crw1, cybrNaut, dym, ElmerFudd, enyc, fetzerch_, ghoti, gigem, GreyFoxx, J-e-f-f-A, jab416171, jams, jheizer, jnylen, jpharvey, jst, jwhite, jya, kurre2, libsci, markspieth, MythBuild, MythLogBot, nephyrin`, peper03, poptix, pppingme, raven42, rich0, Roklobsta, seld, sheedy-away, skd5aner, sl1ce, sphery, sraue, stuarta, stuartm, suffice, superm1, taylorr, tgm4883, tonsofpcs, tris, trumee, unforgiven512, wagnerrp_, XDS2010, _charly_, _iwc, amessina, dekarl, Seeker, arescorpio, purserj, dblain, hydroponx, jpabq, lautriv_, Warped_, joki-
Sunday, September 13th, 2015, 00:02 UTC
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[08:27:52] dekarl1 is now known as dekarl
[08:49:00] dekarl: IMHO the only good thing about HEVC is the promotion they do for the Alliance for Open Media. https://en.wikipedia.org/wiki/High_Efficiency . . . nt_licensing
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[15:18:28] lautriv_: would be worth to implement some kind of heardbeat into backends, still enough problems in silent crashes.
[15:28:41] crakrjak (crakrjak!merc@unaffiliated/crakrjak) has joined #mythtv
[15:31:11] crakrjak: anyone around?
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[15:33:02] stuartm: lautriv_: so the problem is backends crashing – slaves or the master?
[15:34:36] stuartm: Could you explain how a heartbeat would help? We already know when backends go down since their permanent socket connection to the master, or master to the frontend will be closed when that happens
[15:36:35] stuartm: and we can even tell the difference between a normal shutdown and a crash with a 'backend_shutdown' event – if it wasn't sent the the backend crashed or was aborted
[15:37:01] lautriv_: stuartm, in the past few years i observed random crashes, 0.28 stabilized a lot but it claims the dvb-stream to close e.g. when i get something from dish which will truncate because of massive rain or a thunderstorm the backend runs on a wall. if there were any testable sign of live like a timestamp in a tempfile it would be easy to restart.
[15:37:18] stuartm: but how we you utilise that information? Send an email notification?
[15:38:03] stuartm: are you talking about crashes or hangs?
[15:38:26] stuartm: a crash is easily detected, restart scripts are out there to auto-restart a crashed backend
[15:38:48] lautriv_: process is up but doesn't react.
[15:38:57] stuartm: that's a hang, not a crash :)
[15:39:09] stuartm: a heartbeat would help to determine that a backend is hung, yes
[15:39:19] lautriv_: something trivial like date > somefile inside the scheduling would help to check health
[15:40:45] lautriv_: since a kill -9 leads to a zombie, that is more than just hanging ;)
[15:43:00] lautriv_: i admit this could also be issued by the cards (firmware) itself where mythbackend claiming a dead device.
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