Fix ARM64 builds: JVM heap and direct buffer memory#6758
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Increases JVM heap to 4GB and adds direct buffer memory limit to prevent OOM errors during large remote cache downloads. Also applies memory optimization flags to all remote builds.
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keithmattix
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Jan 13, 2026
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Fixes ARM64 build failures by increasing JVM heap to 4GB, adding direct buffer memory limit, and applying memory optimization flags to all remote builds. Supersedes #6756 with complete fix including direct buffer memory.