mudhorn/prometheus
1
0
Fork 0
mirror of https://github.com/prometheus/prometheus.git synced 2025-02-21 03:16:00 -08:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

Update comments for methods that require a lock

Browse source 
Signed-off-by: Lukasz Mierzwa <l.mierzwa@gmail.com>
This commit is contained in:
Lukasz Mierzwa 2025-01-09 17:20:10 +00:00
parent a1740cd2e7
commit e3728122b2
1 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
tsdb/db.go
View file

@ -1368,6 +1368,7 @@ func (db *DB) CompactOOOHead(ctx context.Context) error {
// Callback for testing.
var compactOOOHeadTestingCallback func()
// The db.cmtx mutex should be held before calling this method.
func (db *DB) compactOOOHead(ctx context.Context) error {
if !db.oooWasEnabled.Load() {
return nil
@ -1422,6 +1423,7 @@ func (db *DB) compactOOOHead(ctx context.Context) error {
// compactOOO creates a new block per possible block range in the compactor's directory from the OOO Head given.
// Each ULID in the result corresponds to a block in a unique time range.
// The db.cmtx mutex should be held before calling this method.
func (db *DB) compactOOO(dest string, oooHead *OOOCompactionHead) (_ []ulid.ULID, err error) {
start := time.Now()
@ -1466,7 +1468,7 @@ func (db *DB) compactOOO(dest string, oooHead *OOOCompactionHead) (_ []ulid.ULID
}
// compactHead compacts the given RangeHead.
// The compaction mutex should be held before calling this method.
// The db.cmtx should be held before calling this method.
func (db *DB) compactHead(head *RangeHead) error {
uids, err := db.compactor.Write(db.dir, head, head.MinTime(), head.BlockMaxTime(), nil)
if err != nil {
@ -1492,7 +1494,7 @@ func (db *DB) compactHead(head *RangeHead) error {
}
// compactBlocks compacts all the eligible on-disk blocks.
// The compaction mutex should be held before calling this method.
// The db.cmtx should be held before calling this method.
func (db *DB) compactBlocks() (err error) {
// Check for compactions of multiple blocks.
for {
@ -1549,6 +1551,7 @@ func getBlock(allBlocks []*Block, id ulid.ULID) (*Block, bool) {
}
// reload reloads blocks and truncates the head and its WAL.
// The db.cmtx mutex should be held before calling this method.
func (db *DB) reload() error {
if err := db.reloadBlocks(); err != nil {
return fmt.Errorf("reloadBlocks: %w", err)
@ -1565,6 +1568,7 @@ func (db *DB) reload() error {
// reloadBlocks reloads blocks without touching head.
// Blocks that are obsolete due to replacement or retention will be deleted.
// The db.cmtx mutex should be held before calling this method.
func (db *DB) reloadBlocks() (err error) {
defer func() {
if err != nil {