Machine details
CPU	4 core
OS	suse linux 11.2
RAM	24GB
Scale factor	75	shared buffers	4GB
auto vacuum	on	wal_buffers	16MB
ckpt seg	256	ckpt interval	25min
server_encoding	SQL_ASCII	client_encoding	UTF8
lc_collate	C	lc_ctype	C
sync commit	off	Fill factor	80
Run time	300 sec
Pgbench - org
CONFIGURATION
Clients	1		2
FPW COMPRESS
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	783	0.18	1831	0.39
Run2	825	0.20	1835	0.40
Run3	838	0.21	1865	0.40
Avg	815.3333333	0.20	1843.666667	0.40
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1000	0.95	2093	1.24
Run2	1008	0.96	2096	1.24
Run3	1026	0.97	2060	1.24
Avg	1011.333333	0.96	2083	1.24
DIFF
	-19.38%	-79.51%	-11.49%	-68.01%
Scale factor	30	shared buffers	4GB
auto vacuum	on	wal_buffers	16MB
ckpt seg	256	ckpt interval	25min
server_encoding	SQL_ASCII	client_encoding	UTF8
lc_collate	C	lc_ctype	C
sync commit	off	Fill factor	80
Run time	300 sec
Pgbench - 1000
CONFIGURATION
Clients	1		2
FPW COMPRESS
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	741	0.17	1643	0.68
Run2	775	0.25	1681	0.75
Run3	820	0.31	1653	0.76
Avg	778.6666667	0.24	1659	0.73
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	903	1.57	1915	2.78
Run2	983	1.70	1921	2.78
Run3	990	1.71	1975	2.84
Avg	958.6666667	1.66	1937	2.80
DIFF
	-18.78%	-85.34%	-14.35%	-73.93%
Scale factor	75	shared buffers	4GB
auto vacuum	on	wal_buffers	16MB
ckpt seg	256	ckpt interval	25min
server_encoding	SQL_ASCII	client_encoding	UTF8
lc_collate	C	lc_ctype	C
sync commit	off	Fill factor	80
Run time	900 sec
Pgbench - org
CONFIGURATION
Clients	1		2
FPW COMPRESS
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	935	0.52	2038	1.08
Run2	1009	0.58	2027	1.09
Run3	1005	0.59	2011	1.09
Avg	983	0.56	2025.333333	1.09
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1029	1.41	2100	1.93
Run2	1084	1.44	2091	1.93
Run3	1082	1.44	2091	1.93
Avg	1065	1.43	2094	1.93
DIFF
	-7.70%	-60.61%	-3.28%	-43.70%
Scale factor	30	shared buffers	4GB
auto vacuum	on	wal_buffers	16MB
ckpt seg	256	ckpt interval	25min
server_encoding	SQL_ASCII	client_encoding	UTF8
lc_collate	C	lc_ctype	C
sync commit	off	Fill factor	80
Run time	900 sec
Pgbench - 1000
CONFIGURATION
Clients	1		2
FPW COMPRESS
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	858	0.77	1917	2.50
Run2	916	1.15	1883	2.47
Run3	920	1.23	1926	2.51
Avg	898	1.05	1908.666667	2.49
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	989	3.62	1352	5.13
Run2	1028	3.72	1377	5.34
Run3	1045	3.76	1420	5.47
Avg	1020.666667	3.70	1383	5.31
DIFF
	-12.02%	-71.62%	38.01%	-53.07%