presto-main/src/main/java/io/prestosql/server/CoordinatorModule.java/CoordinatorModule/createStatementResponseCoreExecutor
class CoordinatorModule:    @Provides
    @Singleton
    @ForStatementResource
    public static ExecutorService createStatementResponseCoreExecutor()
    {
        return newCachedThreadPool(daemonThreadsNamed("statement-response-%s"));
    }