test/rocksdb: reduce test time for per-patch tests

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I138362d4ebe157926228384ab032c057c03c822e

Reviewed-on: https://review.gerrithub.io/391891
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>

test/blobfs/rocksdb/rocksdb.sh

@@ -52,9 +52,14 @@ timing_exit mkfs
 
 mkdir $output_dir/rocksdb
 RESULTS_DIR=$output_dir/rocksdb
-DURATION=30
-NUM_KEYS=50000000
 CACHE_SIZE=4096
+if [ $RUN_NIGHTLY -eq 1 ]; then
+	DURATION=60
+	NUM_KEYS=100000000
+else
+	DURATION=20
+	NUM_KEYS=20000000
+fi
 
 cd $RESULTS_DIR