Fatal Error Call

[djmaxw3ll]

[alza-bitz]

Thanks for reporting this @djmaxw3ll 🙂

What is the size of the collection you're trying to convert, how many tracks?

Thanks

[djmaxw3ll]

Hi Alex, roughly 25,000

Regards

Peter Maxwell 07399 829573 0fad0940@opayq.com

From: Alex Coyle (ALZA) <> Sent: 27 July 2020 21:49 To: 0fad0940@opayq.commailto:0fad0940@opayq.com Cc: djmaxw3llmailto:0fad0940@opayq.com; Mentionmailto:mention@noreply.github.com Subject: Re: [digital-dj-tools/dj-data-converter] Fatal Error Call (#33)

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What is the size of the collection you're trying to convert, how many tracks?

Thanks

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[alza-bitz]

Hi @djmaxw3ll,

Some good news, I've now got a working build that should allow larger collections to be processed more efficiently without running out of memory 🙂

Here's a very informal performance comparison between the existing NodeJS build and the new experimental GraalVM build...

alex@localhost:/mnt/d/Projects/dj-data-converter$ time nodejs ./out/cli.js -w /mnt/c/Users/alex/Documents/Native\ Instruments/Traktor\ 2.11.3/collection.nml

Conversion completed

real    3m48.585s
user    2m1.602s
sys     0m6.789s

alex@localhost:/mnt/d/Projects/dj-data-converter$ time ./target/dj-data-converter -w /mnt/c/Users/alex/Documents/Native\ Instruments/Traktor\ 2.11.3/collection.nml

Conversion completed

real    1m20.615s
user    0m38.234s
sys     0m4.089s

Looks promising, although this is just execution time of course and not memory usage. However, I'm hoping that memory usage will be lower on GraalVM, because the Clojure/Java implementation of data.xml parsing is much more efficient than the ClojureScript/NodeJS implementation, and will therefore allow larger files to be processed without running out of memory.

The next step is to modify the Azure Devops build to produce Windows and/or Mac GraalVM images for testing.

Regarding Windows and/or Mac, from the screenshot above it looks like you're on Windows, is that correct @djmaxw3ll?

Thanks!

[alza-bitz]

Hi @djmaxw3ll,

I've got a Windows build for you to test with, see attached...

Please can you download, run it on your Traktor collection and let me know the result?

Thanks! 🙂

dj-data-converter-win.zip