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fix(dep-graph): set the number of workers with environment variables #8671

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fix(dep-graph): set the number of workers with environment variables #8671

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8 changes: 6 additions & 2 deletions packages/workspace/src/core/project-graph/build-project-graph.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -197,7 +197,7 @@ function buildExplicitDependencies(
// files we need to process is >= 100 and there are more than 2 CPUs
// to be able to use at least 2 workers (1 worker per CPU and
// 1 CPU for the main thread)
if (totalNumOfFilesToProcess < 100 || os.cpus().length < 3) {
if (totalNumOfFilesToProcess < 100 || getNumberOfWorkers() <= 2) {
return buildExplicitDependenciesWithoutWorkers(
jsPluginConfig,
ctx,
Expand Down Expand Up @@ -296,7 +296,7 @@ function buildExplicitDependenciesUsingWorkers(
totalNumOfFilesToProcess: number,
builder: ProjectGraphBuilder
) {
const numberOfWorkers = os.cpus().length - 1;
const numberOfWorkers = getNumberOfWorkers();
const bins = splitFilesIntoBins(
ctx,
totalNumOfFilesToProcess,
Expand Down Expand Up @@ -349,6 +349,10 @@ function buildExplicitDependenciesUsingWorkers(
});
}

function getNumberOfWorkers(): number {
return +process.env.NX_PROJECT_GRAPH_MAX_WORKERS ?? os.cpus().length - 1;
}

function createContext(
workspaceJson: WorkspaceJsonConfiguration,
nxJson: NxJsonConfiguration,
Expand Down