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[Bug 1462949] Re: vmdk files cause qemu-img to consume lots of time and
From: |
Launchpad Bug Tracker |
Subject: |
[Bug 1462949] Re: vmdk files cause qemu-img to consume lots of time and memory |
Date: |
Wed, 07 Oct 2020 04:17:30 -0000 |
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1462949
Title:
vmdk files cause qemu-img to consume lots of time and memory
Status in QEMU:
Expired
Bug description:
The two attached files cause 'qemu-img info' to consume lots of time
and memory. Around 10-12 seconds of CPU time, and around 3-4 GB of
heap.
$ /usr/bin/time ~/d/qemu/qemu-img info afl10.img
qemu-img: Can't get size of device 'image': File too large
0.40user 11.57system 0:12.03elapsed 99%CPU (0avgtext+0avgdata
4197804maxresident)k
56inputs+0outputs (0major+1045672minor)pagefaults 0swaps
$ /usr/bin/time ~/d/qemu/qemu-img info afl11.img
image: afl11.img
file format: vmdk
virtual size: 12802T (14075741666803712 bytes)
disk size: 4.0K
cluster_size: 65536
Format specific information:
cid: 4294967295
parent cid: 4294967295
create type: monolithicSparse
extents:
[0]:
virtual size: 14075741666803712
filename: afl11.img
cluster size: 65536
format:
0.29user 9.10system 0:09.43elapsed 99%CPU (0avgtext+0avgdata
3297360maxresident)k
8inputs+0outputs (0major+820507minor)pagefaults 0swaps
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