On Thu 09 Aug 2012, Linda Walsh wrote: > > Anyway, thanks for the history update. I have a feeling rsync is afraid to > use > memory -- and really, it should try to use alot of memory to optimize > transfers,
I have had rsync fail after using up 8GB memory + 4GB swap, so I'm very happy it does its best to minimize memory usage. > Turning off partial-send's (--whole-file) using 8-bit-io) seem to really help > speed things up on a same-system copy... In doing a full sync with a backup, --whole-file is the default when source and destination are both on the same system -- at least, if you don't specify hostnames... > of a 6G HD, (I used --drop-cache, --inplace and --del as well) Doing an > archive diff with --acls --xattrs + --hardlinks rysync averaged 125MB/s > for the actual IO... (about 30% of the disk)... OK, and now on a 6*TB* HD :-) This is on one of "my" backup servers: /dev/sdc 39T 33T 5.9T 85% /backup Paul -- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html