What cameras do you use? On 12/25/2014 12:49 PM, Craig Smith wrote: > Season’s Greetings TC-LUG’ers, > > I run a DIY network of security cameras that work in two parts. > > FTP (or server pull) > > A number of cameras send jpeg images to server several times a minute. > > FFMPEG > Once a day, read last 24hrs of jpegs and write out the mp4 video. > > Calculating the mp4 files takes most of the time, preventing higher > frames-rates, increasing sever load (impacting other uses) and delaying > availability of the final video. > > QUESTION > > Since this is disk-intensive, I trust performance would improve if Jpegs > were written-to and read-from solid-state drive (SSD) as opposed to > traditional spinning mechanical-platter hard disk (HD).I plan to > continue writing the final MP4 to HD.Looking at RAID for faster reads > serving the final product. > > I understand SSD are faster, quieter, more reliable, and uses less power > than HD (compelling arguments) but have a limited number of read-write > cycles before failure and are prone to fail on power outages. > > http://en.wikipedia.org/wiki/Solid-state_drive#Comparison_with_other_technologies > > If I run 5GB per day through a 120GB SSD what’s the expected MTBF? > > Otherwise, more ram and a faster cpu should help.Any system design, > hardware, or architecture tips? > > > > -- > Craig A. Smith mailto:craigallynsmith at gmail.com > <mailto:craigallynsmith at gmail.com> > > > > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list >