Opened 12 years ago
Closed 12 years ago
#10431 closed Bug Report - General (Duplicate)
0.25 Can't Handle Multiple Simultaneous Recordings
| Reported by: | Owned by: | ||
|---|---|---|---|
| Priority: | blocker | Milestone: | unknown |
| Component: | MythTV - General | Version: | Master Head |
| Severity: | high | Keywords: | |
| Cc: | Ticket locked: | no |
Description
When trying to record more than one program at once via HdHomeRun? units, the recordings become increasingly unwatchable with each additional simultaneous recording. For example, one recording is perfect, two recordings can be watched but the corruption is annoying, three and four recordings are unwatchable and the recording may even fail or not be playable at all.
The recordings have frequent periods of extreme artifacting and the audio becomes a metallic "buzz". Once two simultaneous recordings is surpassed, recordings may even start to fail completely or playback will not work.
This behavior is consistent (happens every single time) in all 0.25 setups I have tried; a single FE/BE laptop test environment with a fresh install of Mythbuntu 11.10 using Mythbuntu 0.25 repos. Also in a production setup (2 BEs, 4 FEs) on Mythbuntu 10.04 upgraded to from 0.24 to 0.25 via Mythbuntu 0.25 repos.
The behavior is not present when trying similar tests with 0.24.x on any of these setups. On the production setup I can record up to 8 recordings at once with 4 commercial detection jobs going and the recordings are nearly flawless.
Specs for the laptop: Dual core Pentium 4GB memory single SSD hard drive for OS, DB, recordings, etc
Spec for production BE: Core2 Dual 6GB memory 1 individual SATA drive for OS 5 individual SATA drives for recordings 1 individual SSD drive for DB Myth scheduler set to "combination"
The production setup has since be rolled back to 0.24.x due to the inability to record more than one show at a time, however current version of mythbackend for the laptop is attached.
I am not sure what logs or logging options (or with the changes to logging in 0.25, how to grab them) would help, but I am quite happy to run with any options requested and post any output requested to help.
Apologies for double posting this (browser burp). This is a regurgitation of ticket 10430.