Test performed on a Cray XE service node. For the 1.8.8 servers
the default 1.8.6-wc client was used and for 2.2.0 a special
cray 2.2.0 was used. The lustre backend was a DDN 9950 setup
as 28 OSTs on 4 OSS with 7 OSTs per OSS. No work load on the
clients.

Lustre 2.2.91 file system	Lustre 2.2.0 file system	Lustre 2.1.2 file system	Lustre 1.8.8 file system
LU-744+LU-925

stripe-0  (28 stripes)		stripe-0  (28 stripes)		stripe-0  (28 stripes)		stripe-0  (28 stripes)

statahead total: 28		statahead total: 96		statahead total: 155
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 28			agl total: 96
Wed Jul 25 10:54:46 EDT 2012	Thu Jun 28 12:14:18 EDT 2012	Wed Jun 27 17:15:59 EDT 2012	Tue Jun 19 08:46:18 EDT 2012
Wed Jul 25 10:55:20 EDT 2012	Thu Jun 28 12:16:01 EDT 2012	Wed Jun 27 17:18:06 EDT 2012    Tue Jun 19 08:47:34 EDT 2012
36 seconds			103 seconds			127 seconds			76 seconds
statahead total: 29		statahead total: 97		statahead total: 156
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 29			agl total: 97

statahead total: 35		statahead total: 250		statahead total: 162
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 35			agl total: 250
Wed Jul 25 10:57:53 EDT 2012	Tue Jun 26 21:31:42 EDT 2012	Wed Jun 27 17:23:03 EDT 2012	Tue Jun 19 08:56:27 EDT 2012
Wed Jul 25 10:58:41 EDT 2012	Tue Jun 26 21:34:01 EDT 2012	Wed Jun 27 17:25:41 EDT 2012	Tue Jun 19 08:57:44 EDT 2012
48 seconds			139 seconds			158 seconds			77 seconds
statahead total: 36		statahead total: 251		statahead total: 163
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 36			agl total: 251

statahead total: 42		statahead total: 257		statahead total: 169
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 42			agl total: 257
Wed Jul 25 11:00:11 EDT 2012	Tue Jun 26 21:38:50 EDT 2012	Wed Jun 27 17:30:53 EDT 2012	Tue Jun 19 09:14:40 EDT 2012
Wed Jul 25 11:01:04 EDT 2012	Tue Jun 26 21:41:08 EDT 2012	Wed Jun 27 17:33:28 EDT 2012	Tue Jun 19 09:15:56 EDT 2012
53 seconds			138 seconds			155 seconds			76 seconds
statahead total: 43		statahead total: 258		statahead total: 170
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 43			agl total: 258

stripe-1			stripe-1			stripe-1

statahead total: 29		statahead total: 244		statahead total: 156
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 29			agl total: 244
Wed Jul 25 10:55:20 EDT 2012	Tue Jun 26 21:26:54 EDT 2012	Wed Jun 27 17:18:06 EDT 2012	Tue Jun 19 08:47:53 EDT 2012
Wed Jul 25 10:55:28 EDT 2012	Tue Jun 26 21:27:24 EDT 2012	Wed Jun 27 17:18:37 EDT 2012	Tue Jun 19 08:48:28 EDT 2012
8 seconds			30 seconds			31 seconds			35 seconds
statahead total: 30		statahead total: 245		statahead total: 157
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 30			agl total: 245

statahead total: 36		statahead total: 251		statahead total: 163
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 36			agl total: 251
Wed Jul 25 10:58:41 EDT 2012	Tue Jun 26 21:34:01 EDT 2012	Wed Jun 27 17:25:41 EDT 2012	Tue Jun 19 08:58:14 EDT 2012
Wed Jul 25 10:58:48 EDT 2012	Tue Jun 26 21:34:33 EDT 2012	Wed Jun 27 17:26:17 EDT 2012	Tue Jun 19 08:58:49 EDT 2012
7 seconds			34 seconds			36 seconds			35 seconds
statahead total: 37		statahead total: 252		statahead total: 164
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 37			agl total: 252

statahead total: 43		statahead total: 258		statahead total: 170
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 43			agl total: 258
Wed Jul 25 11:01:04 EDT 2012	Tue Jun 26 21:41:08 EDT 2012	Wed Jun 27 17:33:28 EDT 2012	Tue Jun 19 09:25:15 EDT 2012
Wed Jul 25 11:01:12 EDT 2012	Tue Jun 26 21:41:41 EDT 2012	Wed Jun 27 17:34:03 EDT 2012	Tue Jun 19 09:25:50 EDT 2012
8 seconds			33 seconds			35 seconds			35 seconds
statahead total: 44		statahead total: 259		statahead total: 171
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 44			agl total: 259

stripe-2			stripe-2			stripe-2

statahead total: 30		statahead total: 245		statahead total: 157
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 30			agl total: 245
Wed Jul 25 10:55:28 EDT 2012	Tue Jun 26 21:27:24 EDT 2012	Wed Jun 27 17:18:37 EDT 2012	Tue Jun 19 08:48:50 EDT 2012
Wed Jul 25 10:55:48 EDT 2012	Tue Jun 26 21:28:01 EDT 2012	Wed Jun 27 17:19:08 EDT 2012	Tue Jun 19 08:49:27 EDT 2012
20 seconds			37 seconds			31 seconds			37 seconds
statahead total: 31		statahead total: 246		statahead total: 158
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 31			agl total: 246

statahead total: 37		statahead total: 252		statahead total: 164
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 37			agl total: 252
Wed Jul 25 10:58:48 EDT 2012	Tue Jun 26 21:34:33 EDT 2012	Wed Jun 27 17:26:17 EDT 2012	Tue Jun 19 08:59:16 EDT 2012
Wed Jul 25 10:58:57 EDT 2012	Tue Jun 26 21:35:09 EDT 2012	Wed Jun 27 17:26:54 EDT 2012	Tue Jun 19 08:59:58 EDT 2012
9 seconds			36 seconds			37 seconds			42 seconds
statahead total: 38		statahead total: 253		statahead total: 165
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 38			agl total: 253

statahead total: 44		statahead total: 259		statahead total: 171
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 44			agl total: 259
Wed Jul 25 11:01:12 EDT 2012	Tue Jun 26 21:41:41 EDT 2012	Wed Jun 27 17:34:03 EDT 2012	Tue Jun 19 09:26:22 EDT 2012
Wed Jul 25 11:01:20 EDT 2012	Tue Jun 26 21:42:16 EDT 2012	Wed Jun 27 17:34:40 EDT 2012	Tue Jun 19 09:26:58 EDT 2012
8 seconds			35 seconds			37 seconds			36 seconds
statahead total: 45		statahead total: 260		statahead total: 172
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 260

stripe-3			stripe-3			stripe-3

statahead total: 31		statahead total: 246		statahead total: 158
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 31			agl total: 246
Wed Jul 25 10:55:48 EDT 2012	Tue Jun 26 21:28:01 EDT 2012	Wed Jun 27 17:19:08 EDT 2012	Tue Jun 19 08:49:52 EDT 2012
Wed Jul 25 10:56:04 EDT 2012	Tue Jun 26 21:28:39 EDT 2012	Wed Jun 27 17:19:45 EDT 2012	Tue Jun 19 08:50:31 EDT 2012
16 seconds			38 seconds			37 seconds			37 seconds
statahead total: 32		statahead total: 247		statahead total: 159
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 32			agl total: 247

statahead total: 38		statahead total: 253		statahead total: 165
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 38			agl total: 253
Wed Jul 25 10:58:57 EDT 2012	Tue Jun 26 21:35:09 EDT 2012	Wed Jun 27 17:26:54 EDT 2012	Tue Jun 19 09:01:55 EDT 2012
Wed Jul 25 10:59:07 EDT 2012	Tue Jun 26 21:35:48 EDT 2012	Wed Jun 27 17:27:33 EDT 2012	Tue Jun 19 09:02:36 EDT 2012
10 seconds			37 seconds			39 seconds			41 seconds
statahead total: 39		statahead total: 254		statahead total: 166
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 39			agl total: 254

statahead total: 45		statahead total: 260		statahead total: 172
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 45			agl total: 260
Wed Jul 25 11:01:20 EDT 2012	Tue Jun 26 21:42:16 EDT 2012	Wed Jun 27 17:34:40 EDT 2012	Tue Jun 19 09:29:25 EDT 2012
Wed Jul 25 11:01:30 EDT 2012	Tue Jun 26 21:42:55 EDT 2012	Wed Jun 27 17:35:19 EDT 2012	Tue Jun 19 09:30:04 EDT 2012
10 seconds			39 seconds			39 seconds			39 seconds
statahead total: 46		statahead total: 261		statahead total: 173
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 46			agl total: 261

stripe-4			stripe-4			stripe-4

statahead total: 32		statahead total: 247		statahead total: 159
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 32			agl total: 247
Wed Jul 25 10:56:04 EDT 2012	Tue Jun 26 21:28:39 EDT 2012	Wed Jun 27 17:19:45 EDT 2012	Tue Jun 19 08:51:58 EDT 2012
Wed Jul 25 10:56:19 EDT 2012	Tue Jun 26 21:29:22 EDT 2012	Wed Jun 27 17:20:24 EDT 2012	Tue Jun 19 08:52:43 EDT 2012
15 seconds			43 seconds			39 seconds			48 seconds
statahead total: 33		statahead total: 248		statahead total: 160
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 33			agl total: 248

statahead total: 39		statahead total: 254		statahead total: 166
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 39			agl total: 254
Wed Jul 25 10:59:07 EDT 2012	Tue Jun 26 21:35:48 EDT 2012	Wed Jun 27 17:27:33 EDT 2012	Tue Jun 19 09:03:45 EDT 2012
Wed Jul 25 10:59:18 EDT 2012	Tue Jun 26 21:36:31 EDT 2012	Wed Jun 27 17:28:16 EDT 2012	Tue Jun 19 09:04:26 EDT 2012
11 seconds			43 seconds			43 seconds			41 seconds
statahead total: 40		statahead total: 255		statahead total: 167
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 40			agl total: 255

statahead total: 46		statahead total: 261		statahead total: 173
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 46			agl total: 261
Wed Jul 25 11:01:30 EDT 2012	Tue Jun 26 21:42:55 EDT 2012	Wed Jun 27 17:35:19 EDT 2012	Tue Jun 19 09:31:43 EDT 2012
Wed Jul 25 11:01:42 EDT 2012	Tue Jun 26 21:43:37 EDT 2012	Wed Jun 27 17:36:00 EDT 2012	Tue Jun 19 09:32:23 EDT 2012
8 seconds			42 seconds			41 seconds			40 seconds
statahead total: 47		statahead total: 262		statahead total: 174
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 47			agl total: 262

stripe-8			stripe-8			stripe-8

statahead total: 33		statahead total: 248		statahead total: 160
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 33			agl total: 248
Wed Jul 25 10:56:19 EDT 2012	Tue Jun 26 21:29:22 EDT 2012	Wed Jun 27 17:20:24 EDT 2012	Tue Jun 19 08:53:16 EDT 2012
Wed Jul 25 10:57:23 EDT 2012	Tue Jun 26 21:30:17 EDT 2012	Wed Jun 27 17:21:20 EDT 2012	Tue Jun 19 08:54:04 EDT 2012
64 seconds			55 seconds			54 seconds			48 seconds
statahead total: 34		statahead total: 249		statahead total: 161
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 34			agl total: 249

statahead total: 40		statahead total: 255		statahead total: 167
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 40			agl total: 255
Wed Jul 25 10:59:18 EDT 2012	Tue Jun 26 21:36:31 EDT 2012	Wed Jun 27 17:28:16 EDT 2012	Tue Jun 19 09:05:26 EDT 2012
Wed Jul 25 10:59:38 EDT 2012	Tue Jun 26 21:37:26 EDT 2012	Wed Jun 27 17:29:17 EDT 2012	Tue Jun 19 09:06:12 EDT 2012
20 seconds			55 seconds			61 seconds			46 seconds
statahead total: 41		statahead total: 256		statahead total: 168
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 256

statahead total: 47		statahead total: 262		statahead total: 174
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 47			agl total: 262
Wed Jul 25 11:01:42 EDT 2012	Tue Jun 26 21:43:37 EDT 2012	Wed Jun 27 17:36:00 EDT 2012	Tue Jun 19 09:33:54 EDT 2012
Wed Jul 25 11:02:01 EDT 2012	Tue Jun 26 21:44:32 EDT 2012	Wed Jun 27 17:37:00 EDT 2012	Tue Jun 19 09:34:39 EDT 2012
19 seconds			55 seconds			60 seconds			45 seconds
statahead total: 48		statahead total: 263		statahead total: 175
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 48			agl total: 263

stripe-16			stripe-16			stripe-16

statahead total: 34		statahead total: 249		statahead total: 161
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 34			agl total: 249
Wed Jul 25 10:57:23 EDT 2012	Tue Jun 26 21:30:17 EDT 2012	Wed Jun 27 17:21:20 EDT 2012	Tue Jun 19 08:54:31 EDT 2012
Wed Jul 25 10:57:53 EDT 2012	Tue Jun 26 21:31:42 EDT 2012	Wed Jun 27 17:23:03 EDT 2012	Tue Jun 19 08:55:35 EDT 2012
30 seconds			85 seconds			103 seconds			64 seconds
statahead total: 35		statahead total: 250		statahead total: 162
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 35			agl total: 250

statahead total: 41		statahead total: 256		statahead total: 168
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 41			agl total: 256
Wed Jul 25 10:59:38 EDT 2012	Tue Jun 26 21:37:26 EDT 2012	Wed Jun 27 17:29:17 EDT 2012	Tue Jun 19 09:11:37 EDT 2012
Wed Jul 25 11:00:11 EDT 2012	Tue Jun 26 21:38:50 EDT 2012	Wed Jun 27 17:30:53 EDT 2012	Tue Jun 19 09:12:36 EDT 2012
33 seconds			74 seconds			96 seconds			61 seconds
statahead total: 42		statahead total: 257		statahead total: 169
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 42			agl total: 257

statahead total: 48		statahead total: 263		statahead total: 175
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0
agl total: 48			agl total: 263
Wed Jul 25 11:02:01 EDT 2012	Tue Jun 26 21:44:32 EDT 2012	Wed Jun 27 17:37:00 EDT 2012	Tue Jun 19 09:35:31 EDT 2012
Wed Jul 25 11:02:34 EDT 2012	Tue Jun 26 21:45:56 EDT 2012	Wed Jun 27 17:38:34 EDT 2012	Tue Jun 19 09:36:30 EDT 2012
33 seconds			84 seconds			94 seconds			59 seconds
statahead total: 49		statahead total: 264		statahead total: 176
statahead wrong: 1		statahead wrong: 0		statahead wrong: 0