diff --git a/make.conf.backbone b/make.conf.backbone
index 40a3385..4adf96b 100644
--- a/make.conf.backbone
+++ b/make.conf.backbone
@@ -5,7 +5,8 @@ LDFLAGS="-Wl,-O1 -Wl,--as-needed"
 
 CHOST="x86_64-pc-linux-gnu"
 CBUILD="x86_64-pc-linux-gnu"
-MAKEOPTS="-j2"
+MAKEOPTS="-j1"
+EMERGE_DEFAULT_OPTS="-j2"
 
 LINGUAS="ru"
 LANGUAGE="ru"
diff --git a/make.conf.corka b/make.conf.corka
index d6ea20d..55f829e 100644
--- a/make.conf.corka
+++ b/make.conf.corka
@@ -6,7 +6,8 @@ LDFLAGS="-Wl,-O1 -Wl,--as-needed"
 
 CHOST="x86_64-pc-linux-gnu"
 CBUILD="x86_64-pc-linux-gnu"
-MAKEOPTS="-j5"
+MAKEOPTS="-j4"
+EMERGE_DEFAULT_OPTS="-j3"
 
 LINGUAS="ru"
 LANGUAGE="ru"
@@ -30,6 +31,7 @@ PORTAGE_NICENESS="19"
 PORTAGE_IONICE_COMMAND="ionice -c 3 -p \${PID}"
 
 FETCHCOMMAND="/usr/sbin/gentoo-fetchcommand.sh \"\${URI}\" -O \"\${DISTDIR}/\${FILE}\""
+PORTAGE_BZIP2_COMMAND="lbzip2 -n2"
 PORTAGE_BUNZIP2_COMMAND="lbunzip2 -n4"
 
 source /var/lib/layman/make.conf
diff --git a/make.conf.nickolay-842 b/make.conf.nickolay-842
index 7b1cd74..3a1bd93 100644
--- a/make.conf.nickolay-842
+++ b/make.conf.nickolay-842
@@ -5,7 +5,8 @@ LDFLAGS="-Wl,-O1 -Wl,--as-needed"
 
 CHOST="x86_64-pc-linux-gnu"
 CBUILD="x86_64-pc-linux-gnu"
-MAKEOPTS="-j3"
+MAKEOPTS="-j2"
+EMERGE_DEFAULT_OPTS="-j2"
 
 LINGUAS="ru"
 LANGUAGE="ru"
@@ -25,6 +26,7 @@ PORTAGE_NICENESS="19"
 PORTAGE_IONICE_COMMAND="ionice -c 3 -p \${PID}"
 
 FETCHCOMMAND="/usr/sbin/gentoo-fetchcommand.sh \"\${URI}\" -O \"\${DISTDIR}/\${FILE}\""
+PORTAGE_BZIP2_COMMAND="lbzip2 -n2"
 PORTAGE_BUNZIP2_COMMAND="lbunzip2 -n2"
 
 source /var/lib/layman/make.conf
diff --git a/make.conf.phenya b/make.conf.phenya
index efc74c2..18792a4 100644
--- a/make.conf.phenya
+++ b/make.conf.phenya
@@ -5,7 +5,8 @@ LDFLAGS="-Wl,-O1 -Wl,--as-needed"
 
 CHOST="x86_64-pc-linux-gnu"
 CBUILD="x86_64-pc-linux-gnu"
-MAKEOPTS="-j5"
+MAKEOPTS="-j4"
+EMERGE_DEFAULT_OPTS="-j3"
 
 LINGUAS="ru"
 LANGUAGE="ru"
@@ -24,6 +25,7 @@ PORTAGE_NICENESS="19"
 PORTAGE_IONICE_COMMAND="ionice -c 3 -p \${PID}"
 
 FETCHCOMMAND="/usr/sbin/gentoo-fetchcommand.sh \"\${URI}\" -O \"\${DISTDIR}/\${FILE}\""
+PORTAGE_BZIP2_COMMAND="lbzip2 -n2"
 PORTAGE_BUNZIP2_COMMAND="lbunzip2 -n4"
 
 source /var/lib/layman/make.conf