On Wed, Jun 16, 2004 at 06:21:15AM -0700, [EMAIL PROTECTED] wrote: > https://bugzilla.samba.org/show_bug.cgi?id=1463 > > Summary: poor performance with large block size > Product: rsync > Version: 2.6.2 > Platform: x86 > OS/Version: other > Status: NEW > Severity: normal > Priority: P3 > Component: core > AssignedTo: [EMAIL PROTECTED] > ReportedBy: [EMAIL PROTECTED] > QAContact: [EMAIL PROTECTED] > > > I have a 29Gig file that is the previous version of a file and a 1.3 Gig > incremental backup of the file. I did the transfer with no block size option > and it takes about 6 minutes (GigEthernet). I used --block-size = 90k and it > took about 6 minutes. I used --block-size=182000 (close to the square root of > 29 Gig) and it only completed ~50 Meg of transfer of the 1.3 Gig in a couple of > hours. > > Chris Shoemaker suggests this is a problem with the sliding window being a > fixed size of 256k and that the block size will not allow multiple blocks in > the window size.
Er, that suggestion sounds WAY too intelligent to have come from me. :-) Seriously, that was Craig Barratt. -chris > > Operating system is Redhat 9.1 for both systems. Both systems have the 2.6.2 > with only 1 patch and it is the one Wayne provided for --bwlimit being bi-modal > > -- > Configure bugmail: https://bugzilla.samba.org/userprefs.cgi?tab=email > ------- You are receiving this mail because: ------- > You are the QA contact for the bug, or are watching the QA contact. > -- > To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync > Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html
