Index: test/bigsort.test
==================================================================
--- test/bigsort.test
+++ test/bigsort.test
@@ -18,10 +18,19 @@
 # At one point there was an overflow problem if the product of the 
 # cache-size and page-size was larger than 2^31. Causing an infinite 
 # loop if the product was also an integer multiple of 2^32, or 
 # inefficiency otherwise.
 #
+# This test causes thrashing on machines with smaller amounts of
+# memory.  Make sure the host has at least 8GB available before running
+# this test.
+#
+if {[catch {exec free | grep Mem:} out] || [lindex $out 1]<8000000} {
+  finish_test
+  return
+}
+
 do_execsql_test 1.0 {
   PRAGMA page_size = 1024;
   CREATE TABLE t1(a, b);
   BEGIN;
   WITH data(x,y) AS (
@@ -37,7 +46,5 @@
   CREATE INDEX i1 ON t1(a, b);
 }
 
 
 finish_test
-
-