storage: *roachpb.RaftGroupDeletedError for RHS in splitPostApply #21146
Description
func splitPostApply(
ctx context.Context, deltaMS enginepb.MVCCStats, split *roachpb.SplitTrigger, r *Replica,
) {
// The right hand side of the split was already created (and its raftMu
// acquired) in Replica.acquireSplitLock. It must be present here.
rightRng, err := r.store.GetReplica(split.RightDesc.RangeID)
if err != nil {
log.Fatalf(ctx, "unable to find RHS replica: %s", err)
}
{
rightRng.mu.Lock()
// Already holding raftMu, see above.
err := rightRng.initRaftMuLockedReplicaMuLocked(&split.RightDesc, r.store.Clock(), 0)
rightRng.mu.Unlock()
if err != nil {
log.Fatal(ctx, err) <--
}
}https://sentry.io/cockroach-labs/cockroachdb/issues/426530382/
*log.safeError: store.go:1820: *roachpb.RaftGroupDeletedError
File "github.com/cockroachdb/cockroach/pkg/storage/replica_proposal.go", line 718, in handleReplicatedEvalResult
File "github.com/cockroachdb/cockroach/pkg/storage/replica_proposal.go", line 981, in handleEvalResultRaftMuLocked
File "github.com/cockroachdb/cockroach/pkg/storage/replica.go", line 4480, in processRaftCommand
File "github.com/cockroachdb/cockroach/pkg/storage/replica.go", line 3481, in handleRaftReadyRaftMuLocked
File "github.com/cockroachdb/cockroach/pkg/storage/replica.go", line 3173, in handleRaftReady
...
(4 additional frame(s) were not displayed)
store.go:1820: *roachpb.RaftGroupDeletedError