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XDCAM export - takes too long?

Hi all. MacPro 5,1 dual 2.66 6-core, 16 gig RAM, OS 10.6.8.


Working doing a weekly half-hour show for a major Chicago media heavyweight. We shoot in XDCAM EX, edit on an XDCAM HD timeline, and export a final QT movie as our deliverable. Final finished "master" is 22:10:00...and characteristically this takes around 45 minutes to output, after rendering and mixdown.


Is this considered normal? Acceptable? I've been doing this for a couple of years now, and it seems to be taking longer and longer...I don't recall our 25th show taking this long to export, but our 75th...sheesh, this is painful.


Anyone got any tips on how to speed things up? And as a corollary question, why when I "Export" do all my previously rendered segments turn red again?

Posted on Jun 12, 2012 2:32 PM

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Posted on Jun 12, 2012 3:14 PM

try changing your render settings to prores in sequence settings: render control.


And as per your other question, don't have a clue, but somethings wrong.

36 replies

Jun 15, 2012 10:15 AM in response to Mike Janowski

I've told the powers that be from day one that mixing system and media drives is a no-no. But if someone here could say why this is, in concrete terms, that would give me (a poor day-rate freelancer in a big media conglomeragte world)...

This kinda caught my eye; If you're not on staff - and not necessarily there all the time - who is using the edit system when you're not? Is the computer a dedicated edit station? Has there been software installed lately? etc.... ???

Jun 16, 2012 10:12 AM in response to Mike Janowski

Mike Janowski wrote:

I've told the powers that be from day one that mixing system and media drives is a no-no.


A system drive is in constant use, by the ... system. Writing logs, monitoring, updating... That takes away some of its juise but this is not so bad compared to the problems invited if it is also used as a media drive in an editing workflow due to thw wear and tear such drives suffer. Ivevitably, your media drives will fail faster and in your case this will take down the system too.

Jun 18, 2012 7:54 AM in response to hyphen

@ hyphen - Uh, well, with MTBF of a million hours on these beasts, I'm not too worried about drive failure. Most of the drives that I've had fail are drives that I use least...in part because they act like lemons before the crap out entirely, so I just quit using that volume.


You're onto something with the I/O, but it's not overstressing the drives, as the OS is designed to constantly write back and forth to drives. Now, I think one of the issues is degraded system performance - if the OS and apps have to wait for long video files to be written before they can have their write session, that will degrade performance. And I'm guessing (guessing only) that trying to write little temp files for the OS while trying to write big media files to the same drive might cause some confusion as to where the files get written, possibly overwriting some of the render files, which is one way my little pea brain can explain how I can render something, close the project, and then open it...and have to render again.


This kinda caught my eye; If you're not on staff - and not necessarily there all the time - who is using the edit system when you're not? Is the computer a dedicated edit station? Has there been software installed lately? etc.... ???

@Paul-it's pretty much dedicated to editing. Someone else will sometimes sit down at the computer, but they edit.

XDCAM export - takes too long?

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