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Improve queue & process & stacktrace (#24636)

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Although some features are mixed together in this PR, this PR is not
that large, and these features are all related.

Actually there are more than 70 lines are for a toy "test queue", so
this PR is quite simple.

Major features:

1. Allow site admin to clear a queue (remove all items in a queue)
* Because there is no transaction, the "unique queue" could be corrupted
in rare cases, that's unfixable.
* eg: the item is in the "set" but not in the "list", so the item would
never be able to be pushed into the queue.
* Now site admin could simply clear the queue, then everything becomes
correct, the lost items could be re-pushed into queue by future
operations.
3. Split the "admin/monitor" to separate pages
4. Allow to download diagnosis report
* In history, there were many users reporting that Gitea queue gets
stuck, or Gitea's CPU is 100%
    * With diagnosis report, maintainers could know what happens clearly

The diagnosis report sample:
[gitea-diagnosis-20230510-192913.zip](https://github.com/go-gitea/gitea/files/11441346/gitea-diagnosis-20230510-192913.zip)
, use "go tool pprof profile.dat" to view the report.


Screenshots:


![image](https://github.com/go-gitea/gitea/assets/2114189/320659b4-2eda-4def-8dc0-5ea08d578063)


![image](https://github.com/go-gitea/gitea/assets/2114189/c5c46fae-9dc0-44ca-8cd3-57beedc5035e)


![image](https://github.com/go-gitea/gitea/assets/2114189/6168a811-42a1-4e64-a263-0617a6c8c4fe)

---------

Co-authored-by: Jason Song <i@wolfogre.com>
Co-authored-by: Giteabot <teabot@gitea.io>
This commit is contained in:
wxiaoguang
2023-05-11 15:45:47 +08:00
committed by GitHub
parent b3af7484bc
commit 58dfaf3a75
20 changed files with 388 additions and 229 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
modules/queue/base_channel.go
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@ -87,7 +87,9 @@ func (q *baseChannel) PopItem(ctx context.Context) ([]byte, error) {
func (q *baseChannel) HasItem(ctx context.Context, data []byte) (bool, error) {
q.mu.Lock()
defer q.mu.Unlock()
if !q.isUnique {
return false, nil
}
return q.set.Contains(string(data)), nil
}
@ -107,7 +109,9 @@ func (q *baseChannel) Close() error {
defer q.mu.Unlock()
close(q.c)
q.set = container.Set[string]{}
if q.isUnique {
q.set = container.Set[string]{}
}
return nil
}
@ -119,5 +123,9 @@ func (q *baseChannel) RemoveAll(ctx context.Context) error {
for q.c != nil && len(q.c) > 0 {
<-q.c
}
if q.isUnique {
q.set = container.Set[string]{}
}
return nil
}