control: fix possible deadlock on network error #3857
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
When error appears on sending to network, channel still needs to be read empty to ensure that the other side does not get blocked on sending to the channel. Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
tonistiigi
commented
May 11, 2023
| @@ -168,7 +168,7 @@ func (c *Controller) Prune(req *controlapi.PruneRequest, stream controlapi.Contr | |||
| imageutil.CancelCacheLeases() | |||
| } | |||
|
|
|||
| ch := make(chan client.UsageInfo) | |||
| ch := make(chan client.UsageInfo, 32) | |||
There was a problem hiding this comment.
This is only for performance so that prune speed would not depend on network speed.
AkihiroSuda
approved these changes
May 11, 2023
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
When error appears on sending to network, channel
still needs to be read empty to ensure that the other side does not get blocked on sending to the channel.