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dmacvicar / terraform-provider-libvirt

Terraform provider to provision infrastructure with Linux's KVM using libvirt
Apache License 2.0
1.54k stars 457 forks source link

Copy images using a reasonably-sized buffer #902

Closed moio closed 2 years ago

moio commented 2 years ago

Default implementation of io.Copy uses a tiny buffer which significantly impacts performance.

On my machine with a local image (~2.5G) creation time went from ~10 minutes to ~2 seconds.

:peace_symbol: