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 LZ code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1596	1.43	3027	1.82	6144	2.65
Run2	1597	1.43	3057	1.83	6025	2.64
Run3	1599	1.43	3054	1.83	6132	2.65
Avg	1597.333333	1.43	3046	1.83	6100.333	2.65
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1606	1.48	3099	1.93	6066	2.85
Run2	1606	1.48	3052	1.93	6110	2.85
Run3	1604	1.47	3074	1.93	6002	2.85
Avg	1605.333333	1.48	3075	1.93	6059.333	2.85
DIFF
	-0.50%	-3.16%	-0.94%	-5.35%	0.68%	-7.13%
Pgbench - 250
CONFIGURATION
Clients	1		2		4
WAL LZ code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1592	2.43	3059	2.95	6097	3.78
Run2	1591	2.43	3053	2.95	6101	3.78
Run3	1588	2.43	3081	2.95	6003	3.77
Avg	1590.333333	2.43	3064.333333	2.95	6067	3.78
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1592	2.56	3039	3.24	5745	5.84
Run2	1595	2.56	3061	3.24	5700	5.81
Run3	1591	2.56	3074	3.24	5752	5.84
Avg	1592.666667	2.56	3058	3.24	5732.333	5.83
DIFF
	-0.15%	-5.08%	0.21%	-8.95%	5.84%	-35.22%
Pgbench - 500
CONFIGURATION
Clients	1		2		4
WAL LZ code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1566	3.60	2255	4.96	2527	5.66
Run2	1561	3.59	2245	4.95	2554	5.79
Run3	1564	3.60	2227	4.93	2540	5.73
Avg	1563.666667	3.60	2242.333333	4.95	2540.333	5.73
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1569	3.80	2050	5.23	2540	6.46
Run2	1567	3.80	1976	4.94	2408	6.12
Run3	1568	3.80	2011	5.11	2489	6.34
Avg	1568	3.80	2012.333333	5.09	2479	6.31
DIFF
	-0.28%	-5.35%	11.43%	-2.88%	2.47%	-9.20%
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 LZ code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1483	3.23	2776	4.52	4952	7.34
Run2	1478	3.23	2722	4.27	5299	7.50
Run3	1483	3.23	2840	4.53	5073	7.40
Avg	1481.333333	3.23	2779.333333	4.44	5108	7.41
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1486	3.66	2415	6.14	4023	9.75
Run2	1484	3.66	2359	6.02	4055	9.82
Run3	1480	3.65	2346	6.02	3999	9.74
Avg	1483.333333	3.66	2373.333333	6.06	4025.667	9.77
DIFF
	-0.13%	-11.67%	17.11%	-26.73%	26.89%	-24.12%