On Saturday, August 11, 2018 at 3:02:31 AM UTC+8, Kelly Dean wrote: > Has anybody else used both Qubes 3.2 and 4.0 on a system with a HD, not SSD? > Have you noticed the disk thrashing to be far worse under 4.0? I suspect it > might have something to do with the new use of LVM combining snapshots with > thin provisioning. > > The problem seems to be triggered by individual qubes doing ordinary bursts > of disk access, such as loading a program or accessing swap, which would > normally take just a few seconds on Qubes 3.2, but dom0 then massively > multiplies that I/O on Qubes 4.0, leading to disk thrashing that drags on for > minutes at a time, and in some cases, more than an hour. > > iotop in dom0 says the thrashing procs are e.g. [21.xvda-0] and [21.xvda-1], > reading the disk at rates ranging from 10 to 50 MBps (max throughput of the > disk is about 100). At this rate, for how prolonged the thrashing is, it > could have read and re-read the entire virtual disk multiple times over, so > there's something extremely inefficient going on. > > Is there any solution other than installing a SSD? I'd prefer not to have to > add hardware to solve a software performance regression.
Same here for me, I hear lots of scratching sounds from the HDD whenever I do something in the laptop. Extremely worries me that the HDD might die soon because of it D: -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/182578a5-3cad-4dbe-9cdc-94a78cc58930%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
