#4662 put a ceiling on the number of cpus that the fractal tree tests see refs[t:4662]

git-svn-id: file:///svn/toku/tokudb@41352 c7de825b-a66e-492c-adef-691d508d4ae1

scripts/run.fractal.tree.tests.bash

@@ -328,7 +328,9 @@ date=$(date +%Y%m%d)
 branch=.
 tokudb=tokudb
 bdb=5.3
-makejobs=$(get_ncpus)
+ncpus=$(get_ncpus)
+toku_ncpus=8
+makejobs=$ncpus
 revision=0
 VALGRIND=tokugrind
 commit=1
@@ -376,6 +378,9 @@ if [ $parallel -ne 0 ] ; then BG="&"; fi
 export GCCVERSION=$($ftcc --version|head -1|cut -f3 -d" ")
 export VALGRIND=$VALGRIND
 
+# setup TOKU_NCPUS
+if [ -z "$TOKU_NCPUS" -a $toku_ncpus -le $ncpus ] ; then export TOKU_NCPUS=$toku_ncpus; fi
+
 # limit execution time to 3 hours
 let t=3*3600
 ulimit -t $t