Opened 15 years ago
Last modified 3 years ago
#3719 closed defect
Very slow OVF import/export — at Initial Version
| Reported by: | DevOne | Owned by: | |
|---|---|---|---|
| Component: | OVF | Version: | VirtualBox 3.1.6 |
| Keywords: | Cc: | ||
| Guest type: | other | Host type: | other |
Description
OVF import/export is very slow, and it looks like it can be improved: During import, I noticed VirtualBox was reading at 4MB/s. This is on an internal hard disk, with the source and target on two different disks.
I used Process Monitor from Sysinternals, and noticed that VirtualBox is reading blocks of 64KB, 26 bytes and 16 bytes, repetitively (see attached screenshot). I think the reading speed would largely benefit from cached IOs, with a bigger buffer.
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