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Attempt to prevent node explosions with parallel node creation #7004

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Merged
merged 1 commit into from
Nov 9, 2021
Merged

Attempt to prevent node explosions with parallel node creation #7004

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2 changes: 1 addition & 1 deletion src/Build/BackEnd/Components/Communications/NodeProviderOutOfProc.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,7 @@ public bool CreateNode(int nodeId, INodePacketFactory factory, NodeConfiguration
{
ErrorUtilities.VerifyThrowArgumentNull(factory, nameof(factory));

if (_nodeContexts.Count == ComponentHost.BuildParameters.MaxNodeCount)
if (_nodeContexts.Count >= ComponentHost.BuildParameters.MaxNodeCount)
{
ErrorUtilities.ThrowInternalError("All allowable nodes already created ({0}).", _nodeContexts.Count);
return false;
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2 changes: 1 addition & 1 deletion src/Build/BackEnd/Components/Communications/NodeProviderOutOfProcTaskHost.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -498,7 +498,7 @@ internal bool CreateNode(HandshakeOptions hostContext, INodePacketFactory factor
ErrorUtilities.VerifyThrowArgumentNull(factory, nameof(factory));
ErrorUtilities.VerifyThrow(!_nodeIdToPacketFactory.ContainsKey((int)hostContext), "We should not already have a factory for this context! Did we forget to call DisconnectFromHost somewhere?");

if (AvailableNodes == 0)
if (AvailableNodes <= 0)
{
ErrorUtilities.ThrowInternalError("All allowable nodes already created ({0}).", _nodeContexts.Count);
return false;
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