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[#2210] services/tree: Drop messages not in queue

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Currently, under high load clients are blocked on channel send
and the number of goroutines can increase indefinitely.
In this commit we drop replication messages if send/recv queue is full
and rely on a background synchronization.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2023-01-20 18:04:20 +03:00 committed by fyrchik
parent 25d5995cef
commit 67c97c6804
2 changed files with 5 additions and 2 deletions
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2
pkg/services/tree/replicator.go
View file

@ -148,7 +148,7 @@ func (s *Service) pushToQueue(cid cidSDK.ID, treeID string, op *pilorama.LogMove
treeID: treeID,
op: op,
}:
case <-s.closeCh:
default:
}
}

5
pkg/services/tree/service.go
View file

@ -485,7 +485,8 @@ func (s *Service) Apply(_ context.Context, req *ApplyRequest) (*ApplyResponse, e
return nil, fmt.Errorf("can't parse meta-information: %w", err)
}
s.replicateLocalCh <- applyOp{
select {
case s.replicateLocalCh <- applyOp{
treeID: req.GetBody().GetTreeId(),
CIDDescriptor: pilorama.CIDDescriptor{CID: cid, Position: pos, Size: size},
Move: pilorama.Move{
@ -493,6 +494,8 @@ func (s *Service) Apply(_ context.Context, req *ApplyRequest) (*ApplyResponse, e
Child: op.GetChildId(),
Meta: meta,
},
}:
default:
}
return &ApplyResponse{Body: &ApplyResponse_Body{}, Signature: &Signature{}}, nil
}