Message 344584 - Python tracker

Message344584

Author	vstinner
Recipients	StyXman, desbma, facundobatista, giampaolo.rodola, martin.panter, ncoghlan, neologix, pablogsal, petr.viktorin, vstinner
Date	2019-06-04.15:02:52
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1559660572.91.0.567927969254.issue26826@roundup.psfhosted.org>
In-reply-to

Content
Giampaolo Rodola': > shutil.copyfile() already uses sendfile() which basically provides the same performances. sendfile() should be preferred though because it’s supported since Linux 2.6.33. Pablo Galindo Salgado: > But copy_file_rane can leverage more filesystem features like deduplication and copy offload stuff. We can use copy_file_range() if available, or fallback to sendfile().

Content

Giampaolo Rodola':
> shutil.copyfile() already uses sendfile() which basically provides the same performances. sendfile() should be preferred though because it’s supported since Linux 2.6.33.

Pablo Galindo Salgado:
> But copy_file_rane can leverage more filesystem features like deduplication and copy offload stuff.

We can use copy_file_range() if available, or fallback to sendfile().

History
Date	User	Action	Args
2019-06-04 15:02:52	vstinner	set	recipients: + vstinner, facundobatista, ncoghlan, giampaolo.rodola, StyXman, petr.viktorin, neologix, martin.panter, desbma, pablogsal
2019-06-04 15:02:52	vstinner	set	messageid: <1559660572.91.0.567927969254.issue26826@roundup.psfhosted.org>
2019-06-04 15:02:52	vstinner	link	issue26826 messages
2019-06-04 15:02:52	vstinner	create