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[jssrc2cpg] Pass JVM max memory setting to astgen #4990

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[jssrc2cpg] Pass JVM max memory setting to astgen #4990

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[jssrc2cpg] Pass JVM max memory setting to astgen
max-leuthaeuser Oct 4, 2024
64b604b
bit safer
max-leuthaeuser Oct 4, 2024
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12 changes: 11 additions & 1 deletion joern-cli/frontends/jssrc2cpg/src/main/scala/io/joern/jssrc2cpg/utils/AstGenRunner.scala
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Expand Up @@ -23,7 +23,17 @@ object AstGenRunner {

private val LineLengthThreshold: Int = 10000

private val NODE_OPTIONS: Map[String, String] = Map("NODE_OPTIONS" -> "--max-old-space-size=8192")
private def getMaxHeapSizeInMB: Long = {
val maxHeapSizeInBytes = Runtime.getRuntime.maxMemory()
val maxHeapSizeInMB = maxHeapSizeInBytes / (1024 * 1024)
maxHeapSizeInMB // nodejs expects MB
}

private def nodejsSpaceSize: Int = {
Math.max(getMaxHeapSizeInMB.toInt, 8192) // as default we set 8G minimum
}

private val NODE_OPTIONS: Map[String, String] = Map("NODE_OPTIONS" -> s"--max-old-space-size=$nodejsSpaceSize")

private val TypeDefinitionFileExtensions = List(".t.ts", ".d.ts")

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