Explicitly use small cache.
 [rsc] --rwxrwxr-x M 431581 rsc sys 2518 Oct 29 17:40 sys/lib/dist/pc/inst/mountfossil
	/n/sourcesdump/2005/1029/plan9/sys/lib/dist/pc/inst/mountfossil:20,26 - 
	/n/sourcesdump/2005/1030/plan9/sys/lib/dist/pc/inst/mountfossil:20,26
	  	if(! ps | grep -s ' fossil$'){
	  		echo 'srv -p fscons' > /env/fossilconf
	  		echo 'srv -AP fossil' >> /env/fossilconf
	- 		fossil/conf $fossil | sed 's/^fsys main open .*/& -AWVP/' |
	+ 		fossil/conf $fossil | sed 's/^fsys main open .*/& -c 100 -AWVP/' |
	  			sed 's/^fsys main snaptime .*//' >> /env/fossilconf
	  		if(! logprog fossil/fossil -c .' /env/fossilconf'>>[2]/srv/log){
	  			echo 'fossil: '^$status