Machine details
CPU	4 core
OS	suse linux 11.2
RAM	24GB
Scale factor	75	shared buffers	4GB
auto vacuum	off	wal_buffers	16MB
ckpt seg	256	ckpt interval	15min
server_encoding	SQL_ASCII	client_encoding	UTF8
lc_collate	C	lc_ctype	C
sync commit	off	Fill factor	80
Pgbench - org
CONFIGURATION
Clients	1		2		4
WAL PG LZ Mod code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	151	0.46	162	0.48	316	0.75
Run2	149	0.46	162	0.48	316	0.76
Run3	144	0.44	162	0.49	315	0.75
Avg	148	0.45	162	0.48	315.6667	0.75
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	143	0.45	162	0.49	316	0.76
Run2	152	0.46	162	0.49	316	0.76
Run3	141	0.44	162	0.49	316	0.76
Avg	145.3333333	0.45	162	0.49	316	0.76
DIFF
	1.83%	0.74%	0.00%	-1.36%	-0.11%	-0.88%
Pgbench - org
CONFIGURATION
Clients	1		2		4
WAL PG LZ Roll 10 code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	148	0.45	162	0.48	316	0.76
Run2	141	0.44	162	0.49	316	0.76
Run3	150	0.46	162	0.48	315	0.75
Avg	146.3333333	0.45	162	0.48	315.6667	0.76
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	143	0.45	162	0.49	316	0.76
Run2	152	0.46	162	0.49	316	0.76
Run3	141	0.44	162	0.49	316	0.76
Avg	145.3333333	0.45	162	0.49	316	0.76
DIFF
	0.69%	0.00%	0.00%	-1.36%	-0.11%	-0.44%
Pgbench - 250
CONFIGURATION
Clients	1		2		4
WAL PG LZ Mod code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	151	0.52	162	0.56	314	0.97
Run2	147	0.51	162	0.56	315	0.97
Run3	149	0.52	161	0.55	314	0.97
Avg	149	0.52	161.6666667	0.56	314.3333	0.97
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	146	0.51	162	0.56	314	0.98
Run2	144	0.50	162	0.56	315	0.98
Run3	152	0.53	162	0.56	315	0.98
Avg	147.3333333	0.51	162	0.56	314.6667	0.98
DIFF
	1.13%	0.65%	-0.21%	-0.60%	-0.11%	-1.02%
Pgbench - 250
CONFIGURATION
Clients	1		2		4
WAL PG LZ Roll 10 code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	147	0.51	162	0.56	315	0.97
Run2	149	0.52	161	0.55	314	0.97
Run3	146	0.51	162	0.56	315	0.97
Avg	147.3333333	0.51	161.6666667	0.56	314.6667	0.97
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	146	0.51	162	0.56	314	0.98
Run2	144	0.50	162	0.56	315	0.98
Run3	152	0.53	162	0.56	315	0.98
Avg	147.3333333	0.51	162	0.56	314.6667	0.98
DIFF
	0.00%	0.00%	-0.21%	-0.60%	0.00%	-1.02%
Machine details
CPU	4 core
OS	suse linux 11.2
RAM	24GB
Scale factor	30	shared buffers	4GB
auto vacuum	off	wal_buffers	16MB
ckpt seg	256	ckpt interval	15min
server_encoding	SQL_ASCII	client_encoding	UTF8
lc_collate	C	lc_ctype	C
sync commit	off	Fill factor	80
Pgbench - 1000
CONFIGURATION
Clients	1		2		4
WAL PG LZ Mod code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	147	0.58	161	0.63	304	1.11
Run2	143	0.57	161	0.63	306	1.11
Run3	145	0.57	161	0.63	305	1.11
Avg	145	0.57	161	0.63	305	1.11
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	142	0.57	161	0.64	300	1.12
Run2	143	0.57	161	0.64	305	1.14
Run3	148	0.59	161	0.64	304	1.14
Avg	144.3333333	0.58	161	0.64	303	1.13
DIFF
	0.46%	-0.58%	0.00%	-1.56%	0.66%	-2.06%
Pgbench - 1000
CONFIGURATION
Clients	1		2		4
WAL PG LZ Roll 10 code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	144	0.57	161	0.63	300	1.10
Run2	146	0.58	161	0.63	305	1.11
Run3	144	0.57	161	0.64	303	1.11
Avg	144.6666667	0.57	161	0.63	302.6667	1.11
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	142	0.57	161	0.64	300	1.12
Run2	143	0.57	161	0.64	305	1.14
Run3	148	0.59	161	0.64	304	1.14
Avg	144.3333333	0.58	161	0.64	303	1.13
DIFF
	0.23%	-0.58%	0.00%	-1.04%	-0.11%	-2.35%