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open-nomad
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nomad: try to avoid slice resizing when batching

This commit is contained in:
Michael Schurter 2020-11-24 09:14:00 -08:00
parent d8e3adfad9
commit 9bd1f267d2
1 changed files with 7 additions and 2 deletions
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9
nomad/node_endpoint.go
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@ -1144,8 +1144,13 @@ func (n *Node) UpdateAlloc(args *structs.AllocUpdateRequest, reply *structs.Gene
updates := n.updates updates := n.updates
evals := n.evals evals := n.evals
future := n.updateFuture future := n.updateFuture
n.updates = nil
n.evals = nil // Assume future update patterns will be similar to
// current batch and set cap appropriately to avoid
// slice resizing.
n.updates = make([]*structs.Allocation, 0, len(updates))
n.evals = make([]*structs.Evaluation, 0, len(evals))
n.updateFuture = nil n.updateFuture = nil
n.updateTimer = nil n.updateTimer = nil
n.updatesLock.Unlock() n.updatesLock.Unlock()