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Improve retrying index issues (#27554)

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Fix #27540
This commit is contained in:
Jason Song 2023-10-16 02:56:57 +08:00 committed by GitHub
parent cddf245c12
commit 1be49fdda6
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 52 additions and 40 deletions
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25
modules/indexer/issues/indexer.go
View File

@ -204,12 +204,13 @@ func getIssueIndexerQueueHandler(ctx context.Context) func(items ...*IndexerMeta
func populateIssueIndexer(ctx context.Context) {
ctx, _, finished := process.GetManager().AddTypedContext(ctx, "Service: PopulateIssueIndexer", process.SystemProcessType, true)
defer finished()
if err := PopulateIssueIndexer(ctx, true); err != nil {
ctx = contextWithKeepRetry(ctx) // keep retrying since it's a background task
if err := PopulateIssueIndexer(ctx); err != nil {
log.Error("Issue indexer population failed: %v", err)
}
}
func PopulateIssueIndexer(ctx context.Context, keepRetrying bool) error {
func PopulateIssueIndexer(ctx context.Context) error {
for page := 1; ; page++ {
select {
case <-ctx.Done():
@ -232,20 +233,8 @@ func PopulateIssueIndexer(ctx context.Context, keepRetrying bool) error {
}
for _, repo := range repos {
for {
select {
case <-ctx.Done():
return fmt.Errorf("shutdown before completion: %w", ctx.Err())
default:
}
if err := updateRepoIndexer(ctx, repo.ID); err != nil {
if keepRetrying && ctx.Err() == nil {
log.Warn("Retry to populate issue indexer for repo %d: %v", repo.ID, err)
continue
}
return fmt.Errorf("populate issue indexer for repo %d: %v", repo.ID, err)
}
break
if err := updateRepoIndexer(ctx, repo.ID); err != nil {
return fmt.Errorf("populate issue indexer for repo %d: %v", repo.ID, err)
}
}
}
@ -259,8 +248,8 @@ func UpdateRepoIndexer(ctx context.Context, repoID int64) {
}
// UpdateIssueIndexer add/update an issue to the issue indexer
func UpdateIssueIndexer(issueID int64) {
if err := updateIssueIndexer(issueID); err != nil {
func UpdateIssueIndexer(ctx context.Context, issueID int64) {
if err := updateIssueIndexer(ctx, issueID); err != nil {
log.Error("Unable to push issue %d to issue indexer: %v", issueID, err)
}
}

46
modules/indexer/issues/util.go
View File

@ -127,15 +127,15 @@ func updateRepoIndexer(ctx context.Context, repoID int64) error {
return fmt.Errorf("issue_model.GetIssueIDsByRepoID: %w", err)
}
for _, id := range ids {
if err := updateIssueIndexer(id); err != nil {
if err := updateIssueIndexer(ctx, id); err != nil {
return err
}
}
return nil
}
func updateIssueIndexer(issueID int64) error {
return pushIssueIndexerQueue(&IndexerMetadata{ID: issueID})
func updateIssueIndexer(ctx context.Context, issueID int64) error {
return pushIssueIndexerQueue(ctx, &IndexerMetadata{ID: issueID})
}
func deleteRepoIssueIndexer(ctx context.Context, repoID int64) error {
@ -148,13 +148,21 @@ func deleteRepoIssueIndexer(ctx context.Context, repoID int64) error {
if len(ids) == 0 {
return nil
}
return pushIssueIndexerQueue(&IndexerMetadata{
return pushIssueIndexerQueue(ctx, &IndexerMetadata{
IDs: ids,
IsDelete: true,
})
}
func pushIssueIndexerQueue(data *IndexerMetadata) error {
type keepRetryKey struct{}
// contextWithKeepRetry returns a context with a key indicating that the indexer should keep retrying.
// Please note that it's for background tasks only, and it should not be used for user requests, or it may cause blocking.
func contextWithKeepRetry(ctx context.Context) context.Context {
return context.WithValue(ctx, keepRetryKey{}, true)
}
func pushIssueIndexerQueue(ctx context.Context, data *IndexerMetadata) error {
if issueIndexerQueue == nil {
// Some unit tests will trigger indexing, but the queue is not initialized.
// It's OK to ignore it, but log a warning message in case it's not a unit test.
@ -162,12 +170,26 @@ func pushIssueIndexerQueue(data *IndexerMetadata) error {
return nil
}
err := issueIndexerQueue.Push(data)
if errors.Is(err, queue.ErrAlreadyInQueue) {
return nil
for {
select {
case <-ctx.Done():
return ctx.Err()
default:
}
err := issueIndexerQueue.Push(data)
if errors.Is(err, queue.ErrAlreadyInQueue) {
return nil
}
if errors.Is(err, context.DeadlineExceeded) { // the queue is full
log.Warn("It seems that issue indexer is slow and the queue is full. Please check the issue indexer or increase the queue size.")
if ctx.Value(keepRetryKey{}) == nil {
return err
}
// It will be better to increase the queue size instead of retrying, but users may ignore the previous warning message.
// However, even it retries, it may still cause index loss when there's a deadline in the context.
log.Debug("Retry to push %+v to issue indexer queue", data)
continue
}
return err
}
if errors.Is(err, context.DeadlineExceeded) {
log.Warn("It seems that issue indexer is slow and the queue is full. Please check the issue indexer or increase the queue size.")
}
return err
}

2
services/cron/tasks_extended.go
View File

@ -219,7 +219,7 @@ func registerRebuildIssueIndexer() {
RunAtStart: false,
Schedule: "@annually",
}, func(ctx context.Context, _ *user_model.User, config Config) error {
return issue_indexer.PopulateIssueIndexer(ctx, false)
return issue_indexer.PopulateIssueIndexer(ctx)
})
}

16
services/indexer/notify.go
View File

@ -36,11 +36,11 @@ func (r *indexerNotifier) AdoptRepository(ctx context.Context, doer, u *user_mod
func (r *indexerNotifier) CreateIssueComment(ctx context.Context, doer *user_model.User, repo *repo_model.Repository,
issue *issues_model.Issue, comment *issues_model.Comment, mentions []*user_model.User,
) {
issue_indexer.UpdateIssueIndexer(issue.ID)
issue_indexer.UpdateIssueIndexer(ctx, issue.ID)
}
func (r *indexerNotifier) NewIssue(ctx context.Context, issue *issues_model.Issue, mentions []*user_model.User) {
issue_indexer.UpdateIssueIndexer(issue.ID)
issue_indexer.UpdateIssueIndexer(ctx, issue.ID)
}
func (r *indexerNotifier) NewPullRequest(ctx context.Context, pr *issues_model.PullRequest, mentions []*user_model.User) {
@ -48,7 +48,7 @@ func (r *indexerNotifier) NewPullRequest(ctx context.Context, pr *issues_model.P
log.Error("LoadIssue: %v", err)
return
}
issue_indexer.UpdateIssueIndexer(pr.Issue.ID)
issue_indexer.UpdateIssueIndexer(ctx, pr.Issue.ID)
}
func (r *indexerNotifier) UpdateComment(ctx context.Context, doer *user_model.User, c *issues_model.Comment, oldContent string) {
@ -56,7 +56,7 @@ func (r *indexerNotifier) UpdateComment(ctx context.Context, doer *user_model.Us
log.Error("LoadIssue: %v", err)
return
}
issue_indexer.UpdateIssueIndexer(c.Issue.ID)
issue_indexer.UpdateIssueIndexer(ctx, c.Issue.ID)
}
func (r *indexerNotifier) DeleteComment(ctx context.Context, doer *user_model.User, comment *issues_model.Comment) {
@ -64,7 +64,7 @@ func (r *indexerNotifier) DeleteComment(ctx context.Context, doer *user_model.Us
log.Error("LoadIssue: %v", err)
return
}
issue_indexer.UpdateIssueIndexer(comment.Issue.ID)
issue_indexer.UpdateIssueIndexer(ctx, comment.Issue.ID)
}
func (r *indexerNotifier) DeleteRepository(ctx context.Context, doer *user_model.User, repo *repo_model.Repository) {
@ -120,13 +120,13 @@ func (r *indexerNotifier) ChangeDefaultBranch(ctx context.Context, repo *repo_mo
}
func (r *indexerNotifier) IssueChangeContent(ctx context.Context, doer *user_model.User, issue *issues_model.Issue, oldContent string) {
issue_indexer.UpdateIssueIndexer(issue.ID)
issue_indexer.UpdateIssueIndexer(ctx, issue.ID)
}
func (r *indexerNotifier) IssueChangeTitle(ctx context.Context, doer *user_model.User, issue *issues_model.Issue, oldTitle string) {
issue_indexer.UpdateIssueIndexer(issue.ID)
issue_indexer.UpdateIssueIndexer(ctx, issue.ID)
}
func (r *indexerNotifier) IssueChangeRef(ctx context.Context, doer *user_model.User, issue *issues_model.Issue, oldRef string) {
issue_indexer.UpdateIssueIndexer(issue.ID)
issue_indexer.UpdateIssueIndexer(ctx, issue.ID)
}

3
tests/integration/issue_test.go
View File

@ -4,6 +4,7 @@
package integration
import (
"context"
"fmt"
"net/http"
"net/url"
@ -99,7 +100,7 @@ func TestViewIssuesKeyword(t *testing.T) {
RepoID: repo.ID,
Index: 1,
})
issues.UpdateIssueIndexer(issue.ID)
issues.UpdateIssueIndexer(context.Background(), issue.ID)
time.Sleep(time.Second * 1)
const keyword = "first"
req := NewRequestf(t, "GET", "%s/issues?q=%s", repo.Link(), keyword)