--- Makefile	(revision 3838)
+++ Makefile	(working copy)
@@ -39,6 +39,7 @@ 
 		CC="${CC}" CXX="${CXX}" TOOLS="${CHOSEN_COMPILER_TYPE}"
 MAKE_ARGS=	CCNAME=${CC} CXXNAME=${CXX} PKGCFLAGS="${CFLAGS}" \
 		INST_ETCDIR=${STAGEDIR}${PREFIX}/etc
+MAKE_JOBS_NUMBER_LIMIT=	16
 
 ONLY_FOR_ARCHS=	amd64 i386
 ONLY_FOR_ARCHS_REASON=	NCBI-VDB requires SSE2 instructions