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  1. Member
    Join Date
    May 2004
    Location
    Brazil
    Search Comp PM
    I have been using MKV merge for many many years, usually in the older versions like 5.3.0.

    What I do is make new mkv files, adding subtitles, and the maximum size is always limited to 8Gb, which is the maximum size a dual sided DVD allows.

    Nothing fancy, usually takes about 3 minutes or so to merge it all. Until lately.

    Now it's taking like 7 seven minutes to get the files. What might be causing this?

    The computer seems to be working fine. Where should I look for eventual bottlenecks?
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  2. Virus Scanner, hdd speed,...
    users currently on my ignore list: deadrats, Stears555
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  3. Member
    Join Date
    May 2004
    Location
    Brazil
    Search Comp PM
    A bit unlikely.
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  4. Ignoring that 5.3.0 is from 2012 and current mkvtoolnix is 51.0.0 and a lot for each supported format and the mkv container version has changed quite a bit that would be the first thing that popped to mind.
    users currently on my ignore list: deadrats, Stears555
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  5. Member
    Join Date
    May 2004
    Location
    Brazil
    Search Comp PM
    No problem. Will try the latest version and come back here.

    Of course I did try latest versions: hated all of them.

    Same thing as with Vidcoder: latest versions are horrendous and far from user friendly. And they do exactly the same same as the oldest ones.
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  6. Member
    Join Date
    May 2004
    Location
    Brazil
    Search Comp PM
    Error: sent twice.
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  7. Member
    Join Date
    May 2004
    Location
    Brazil
    Search Comp PM
    Which is the MKVmerge GUI file? Don't tell me it's MKV Toolnix, because that might have been the reason why I stayed with the simpler versions.
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  8. I didn't mean for you to try an newer version. I just wanted to note that 8 years is a lot of changes and if this is a mkvmerge issue and not something like a virus scanner, personal firewall or similar causing problems, without more details only you can look through the changes.
    (I only use Windows defender, but made sure to add my input and output folders to it's exceptions since it would slow down things here, especially when lots of (or large) files were used.)

    Cu Selur
    users currently on my ignore list: deadrats, Stears555
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  9. Which is the MKVmerge GUI file?
    mkvtoolnix-gui.exe
    users currently on my ignore list: deadrats, Stears555
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  10. Member
    Join Date
    May 2004
    Location
    Brazil
    Search Comp PM
    Originally Posted by Selur View Post
    I didn't mean for you to try an newer version. I just wanted to note that 8 years is a lot of changes and if this is a mkvmerge issue and not something like a virus scanner, personal firewall or similar causing problems, without more details only you can look through the changes.
    (I only use Windows defender, but made sure to add my input and output folders to it's exceptions since it would slow down things here, especially when lots of (or large) files were used.)

    Cu Selur
    Yes, I also use Windows Defender as protection and firewall, and the Video folder, where all video programs are, it's blocked to Defender to do anything with.
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  11. temp&output folder for those tools too?
    users currently on my ignore list: deadrats, Stears555
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  12. Member
    Join Date
    Mar 2008
    Location
    United States
    Search Comp PM
    Originally Posted by Selur View Post
    temp&output folder for those tools too?
    You can try looking at the Task Manager, you can find the CPU usage and disk read/write speed.
    IN this example, disk 2 is the source file, at 90% utilization (portable drive connected to USB 2, max read speed about 30MB P/S)
    Disk 1 is the receiving disk, much slower and the performance is sporadic, probably because it's also
    the system disk; you have to take into account the processing within the program - it's not a straight
    copy from one to the other - the source has to parsed and split into the separate streams, then recombined
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