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Setting

MAVEN_OPTS

environment variable to

-Xss1500k -Xmx1024m

will help. This is the

MAVEN_OPTS

value used in Pulsar CI: https://github.com/apache/pulsar/blob/9be0b52ac425602cdb0bdd9348d0b63c16f6f62a/.github/workflows/pulsar-ci.yaml#L39 .