diff -Naurp db_old/src/os/os_cpu.c db_new/src/os/os_cpu.c

--- db_old/src/os/os_cpu.c	2012-05-11 12:57:54.000000000 -0500

+++ db_new/src/os/os_cpu.c	2015-08-12 14:00:37.232498880 -0500

@@ -40,6 +40,8 @@ __os_cpu_count()

 	long nproc;

 	nproc = sysconf(_SC_NPROCESSORS_ONLN);

+	if (nproc > 1024)

+		nproc = 1024;

 	return ((u_int32_t)(nproc > 1 ? nproc : 1));

 #else

 	return (1);