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Reduce calls to git cat-file -s (#14682)

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* Reduce calls to git cat-file -s

There are multiple places where there are repeated calls to git cat-file
-s due to the blobs not being created with their size.

Through judicious use of git ls-tree -l and slight adjustments to the
indexer code we can avoid a lot of these calls.

* simplify by always expecting the long format

* Also always set the sized field and tell the indexer the update is sized
This commit is contained in:
zeripath
2021-02-17 21:32:25 +00:00
committed by GitHub
parent 7ba158183a
commit ae7e6cd474
9 changed files with 141 additions and 28 deletions
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20
modules/indexer/code/bleve.go
View File

@@ -179,14 +179,20 @@ func (b *BleveIndexer) addUpdate(commitSha string, update fileUpdate, repo *mode
return nil
}
stdout, err := git.NewCommand("cat-file", "-s", update.BlobSha).
RunInDir(repo.RepoPath())
if err != nil {
return err
size := update.Size
if !update.Sized {
stdout, err := git.NewCommand("cat-file", "-s", update.BlobSha).
RunInDir(repo.RepoPath())
if err != nil {
return err
}
if size, err = strconv.ParseInt(strings.TrimSpace(stdout), 10, 64); err != nil {
return fmt.Errorf("Misformatted git cat-file output: %v", err)
}
}
if size, err := strconv.Atoi(strings.TrimSpace(stdout)); err != nil {
return fmt.Errorf("Misformatted git cat-file output: %v", err)
} else if int64(size) > setting.Indexer.MaxIndexerFileSize {
if size > setting.Indexer.MaxIndexerFileSize {
return b.addDelete(update.Filename, repo, batch)
}

20
modules/indexer/code/elastic_search.go
View File

@@ -178,14 +178,20 @@ func (b *ElasticSearchIndexer) addUpdate(sha string, update fileUpdate, repo *mo
return nil, nil
}
stdout, err := git.NewCommand("cat-file", "-s", update.BlobSha).
RunInDir(repo.RepoPath())
if err != nil {
return nil, err
size := update.Size
if !update.Sized {
stdout, err := git.NewCommand("cat-file", "-s", update.BlobSha).
RunInDir(repo.RepoPath())
if err != nil {
return nil, err
}
if size, err = strconv.ParseInt(strings.TrimSpace(stdout), 10, 64); err != nil {
return nil, fmt.Errorf("Misformatted git cat-file output: %v", err)
}
}
if size, err := strconv.Atoi(strings.TrimSpace(stdout)); err != nil {
return nil, fmt.Errorf("Misformatted git cat-file output: %v", err)
} else if int64(size) > setting.Indexer.MaxIndexerFileSize {
if size > setting.Indexer.MaxIndexerFileSize {
return []elastic.BulkableRequest{b.addDelete(update.Filename, repo)}, nil
}

8
modules/indexer/code/git.go
View File

@@ -17,6 +17,8 @@ import (
type fileUpdate struct {
Filename string
BlobSha string
Size int64
Sized bool
}
// repoChanges changes (file additions/updates/removals) to a repo
@@ -77,6 +79,8 @@ func parseGitLsTreeOutput(stdout []byte) ([]fileUpdate, error) {
updates[idxCount] = fileUpdate{
Filename: entry.Name(),
BlobSha: entry.ID.String(),
Size: entry.Size(),
Sized: true,
}
idxCount++
}
@@ -87,7 +91,7 @@ func parseGitLsTreeOutput(stdout []byte) ([]fileUpdate, error) {
// genesisChanges get changes to add repo to the indexer for the first time
func genesisChanges(repo *models.Repository, revision string) (*repoChanges, error) {
var changes repoChanges
stdout, err := git.NewCommand("ls-tree", "--full-tree", "-r", revision).
stdout, err := git.NewCommand("ls-tree", "--full-tree", "-l", "-r", revision).
RunInDirBytes(repo.RepoPath())
if err != nil {
return nil, err
@@ -162,7 +166,7 @@ func nonGenesisChanges(repo *models.Repository, revision string) (*repoChanges,
}
}
cmd := git.NewCommand("ls-tree", "--full-tree", revision, "--")
cmd := git.NewCommand("ls-tree", "--full-tree", "-l", revision, "--")
cmd.AddArguments(updatedFilenames...)
lsTreeStdout, err := cmd.RunInDirBytes(repo.RepoPath())
if err != nil {