Merge commit '157fa0aca55b8e4747f00d2b729e5e361dea7ddb' * commit '157fa0aca55b8e4747f00d2b729e5e361dea7ddb': Set default heap size to 5MB.
Merge commit '157fa0aca55b8e4747f00d2b729e5e361dea7ddb' * commit '157fa0aca55b8e4747f00d2b729e5e361dea7ddb': Set default heap size to 5MB.