Comment 15 for bug 385495

I was running 2x duplicity instances in parallel compressing to 14G tmpfs on /tmp for speed, but I get out of space reported with a 8.3G full signatures and a 5.8G full signatures. Having the signature files be a predictable size would be a big advantage. I'm already splitting the backup into many smaller sub-sets, I don't really want to go finer than this but I guess I could as a workaround. For now I unmounted the tmpfs and am letting it back up to disk prior to network transfer to get a full set. I'm not sure if this costs me more speed than the 2x parallel runs gains me or not.