Add logging during WAL replay
@@ -502,6 +502,7 @@ func (h *Head) Init(minValidTime int64) error {
return nil
}
+ level.Info(h.logger).Log("msg", "replaying WAL, this may take awhile")
// Backfill the checkpoint first if it exists.
dir, startFrom, err := LastCheckpoint(h.wal.Dir())
if err != nil && err != ErrNotFound {
@@ -525,6 +526,7 @@ func (h *Head) Init(minValidTime int64) error {
return errors.Wrap(err, "backfill checkpoint")
}
startFrom++
+ level.Info(h.logger).Log("msg", "WAL checkpoint loaded")
}
// Find the last segment.
@@ -548,6 +550,7 @@ func (h *Head) Init(minValidTime int64) error {
if err != nil {
return err
}
+ level.Info(h.logger).Log("msg", "WAL segment loaded", "segment", i, "maxSegment", last)
}
return nil
