wanglei01

> It seems like that bottleneck is caused by digest cal. I'm just worry about the memory usage. Maybe we need to verify the usage with 64/MiB128MiB/256MiB/512MiB/1GiB dataset. Your worry...

> Have we looked at using a bufio Reader here instead? DecompressStream has used bufio Reader (https://github.com/containerd/containerd/blob/main/archive/compression/compression.go#L182), bufio only when read is called will the buffer be filled.

I will try it. Thanks.

> It would be great if we could have similar mechanism like [kubelet credential provider](https://kubernetes.io/docs/tasks/administer-cluster/kubelet-credential-provider/) or [docker credential helper](https://github.com/docker/docker-credential-helpers), which invokes an external program to retrieve the credentials. @knight42 Thanks...

Additional references. https://docs.docker.com/engine/reference/commandline/login/#credentials-store

I'm sorry, due to job changes, I may have no time to work in progress on this. If someone else is interested, you can continue.

In my macOS, iTerm2 3.4.23. `ctrl+1`, `ctrl+2`, `ctrl+3`, `ctrl+8`, `ctrl+9` can't work, the others are OK. `ctrl+1` and `ctrl+9` will print `1` and `9`. `ctrl+2` print the `space`. Pressed `ctrl+3`,...

There are Key Mappings in iTerm2 as follow. 

> This issue has been mentioned on **Atuin Community**. There might be relevant details there: > > https://forum.atuin.sh/t/help-with-macos-ctrl-n-key-shortcuts/271/2 It works for me, thanks.

``` $ wget https://crates-io.proxy.ustclug.org/api/v1/crates/anyhow/1.0.44/download --2021-10-12 12:58:02-- https://crates-io.proxy.ustclug.org/api/v1/crates/anyhow/1.0.44/download Resolving crates-io.proxy.ustclug.org (crates-io.proxy.ustclug.org)... 192.109.232.118, 2400:ddc0:1000::6417:bae0 Connecting to crates-io.proxy.ustclug.org (crates-io.proxy.ustclug.org)|192.109.232.118|:443... connected. ERROR: cannot verify crates-io.proxy.ustclug.org's certificate, issued by ‘/C=US/O=Let's Encrypt/CN=R3’: Issued certificate has expired....