Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Fix2213 0.12 #2382

Merged
merged 2 commits into from
Apr 6, 2020
Merged

Fix2213 0.12 #2382

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
3c1711e
binaryHeader: Fixed partial write issue for index-header.
bwplotka Apr 3, 2020
8c017d9
binary_reader: ensure fs is synced before renaming
squat Apr 6, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 15 additions & 4 deletions pkg/block/indexheader/binary_reader.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -71,20 +71,21 @@ type BinaryTOC struct {
}

// WriteBinary build index-header file from the pieces of index in object storage.
func WriteBinary(ctx context.Context, bkt objstore.BucketReader, id ulid.ULID, fn string) (err error) {
func WriteBinary(ctx context.Context, bkt objstore.BucketReader, id ulid.ULID, filename string) (err error) {
ir, indexVersion, err := newChunkedIndexReader(ctx, bkt, id)
if err != nil {
return errors.Wrap(err, "new index reader")
}
tmpFilename := filename + ".tmp"

// Buffer for copying and encbuffers.
// This also will control the size of file writer buffer.
buf := make([]byte, 32*1024)
bw, err := newBinaryWriter(fn, buf)
bw, err := newBinaryWriter(tmpFilename, buf)
if err != nil {
return errors.Wrap(err, "new binary index header writer")
}
defer runutil.CloseWithErrCapture(&err, bw, "close binary writer for %s", fn)
defer runutil.CloseWithErrCapture(&err, bw, "close binary writer for %s", tmpFilename)

if err := bw.AddIndexMeta(indexVersion, ir.toc.PostingsTable); err != nil {
return errors.Wrap(err, "add index meta")
Expand All @@ -109,7 +110,17 @@ func WriteBinary(ctx context.Context, bkt objstore.BucketReader, id ulid.ULID, f
if err := bw.WriteTOC(); err != nil {
return errors.Wrap(err, "write index header TOC")
}
return nil

if err := bw.f.Flush(); err != nil {
return errors.Wrap(err, "flush")
}

if err := bw.f.f.Sync(); err != nil {
return errors.Wrap(err, "sync")
}

// Create index-header in atomic way, to avoid partial writes (e.g during restart or crash of store GW).
return os.Rename(tmpFilename, filename)
}

type chunkedIndexReader struct {
Expand Down