Don't sync in stress test

Summary: Syncing in stress test makes it run much much much slower. It also doesn't add much value IMO.

Test Plan: no

Reviewers: ljin

Reviewed By: ljin

CC: leveldb

Differential Revision: https://reviews.facebook.net/D16839

tools/db_crashtest.py

@@ -84,9 +84,9 @@ def main(argv):
             --cache_size=1048576
             --open_files=500000
             --verify_checksum=1
-            --sync=%s
+            --sync=0
             --disable_wal=0
-            --disable_data_sync=%s
+            --disable_data_sync=1
             --target_file_size_base=2097152
             --target_file_size_multiplier=2
             --max_write_buffer_number=3
@@ -101,8 +101,6 @@ def main(argv):
                    tempfile.mkdtemp(),
                    random.randint(0, 1),
                    random.randint(0, 1),
-                   random.randint(0, 1),
-                   random.randint(0, 1),
                    random.randint(0, 1)))
 
         child = subprocess.Popen([cmd],

tools/db_crashtest2.py

@@ -98,9 +98,9 @@ def main(argv):
             --cache_size=1048576
             --open_files=500000
             --verify_checksum=1
-            --sync=%s
+            --sync=0
             --disable_wal=0
-            --disable_data_sync=%s
+            --disable_data_sync=1
             --target_file_size_base=2097152
             --target_file_size_multiplier=2
             --max_write_buffer_number=3
@@ -117,8 +117,6 @@ def main(argv):
                    random.randint(0, 1),
                    random.randint(0, 1),
                    random.randint(0, 1),
-                   random.randint(0, 1),
-                   random.randint(0, 1),
                    additional_opts))
 
         print "Running:" + cmd + "\n"