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		8
WAL PG LZ COMPRESS USING NEW DATA
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1605	1.41	3080	1.79	6099	2.57	10143	3.65
Run2	1603	1.41	3095	1.79	6154	2.58	10335	3.70
Run3	1606	1.41	3095	1.79	6042	2.57	10362	3.70
Avg	1604.666667	1.41	3090	1.79	6098.333	2.57	10280	3.68
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1605	1.48	3075	1.93	6111	2.86	10234	4.97
Run2	1607	1.48	3121	1.93	6125	2.87	10383	5.09
Run3	1604	1.48	3095	1.93	6118	2.86	10414	5.09
Avg	1605.333333	1.48	3097	1.93	6118	2.86	10343.67	5.05
DIFF
	-0.04%	-4.73%	-0.23%	-7.25%	-0.32%	-10.13%	-0.62%	-27.06%
Pgbench - 250
CONFIGURATION
Clients	1		2		4		8
WAL PG LZ COMPRESS USING NEW DATA
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1596	2.42	3103	2.92	6093	3.70	9371	6.56
Run2	1590	2.41	3066	2.92	6128	3.71	9319	6.53
Run3	1595	2.42	3077	2.91	6104	3.71	9140	6.49
Avg	1593.666667	2.42	3082	2.92	6108.333	3.71	9276.667	6.53
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1601	2.56	3110	3.25	5723	5.86	9271	7.70
Run2	1595	2.56	3108	3.25	5811	5.89	9576	7.83
Run3	1593	2.56	3084	3.25	5744	5.83	9377	7.75
Avg	1596.333333	2.56	3100.666667	3.25	5759.333	5.86	9408	7.76
DIFF
	-0.17%	-5.60%	-0.60%	-10.26%	6.06%	-36.75%	-1.40%	-15.89%
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		8
WAL PG LZ COMPRESS USING NEW DATA
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1477	3.22	2896	4.72	4930	7.29	6730	8.52
Run2	1478	3.22	2829	4.52	5120	7.38	6739	8.50
Run3	1479	3.22	2820	4.53	4892	7.28	6879	8.80
Avg	1478	3.22	2848.333333	4.59	4980.667	7.32	6782.667	8.61
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	1493	3.67	2463	6.24	3771	9.05	4126	10.15
Run2	1497	3.68	2316	5.93	3805	9.11	4150	10.06
Run3	1492	3.67	2312	5.93	4090	9.92	5132	11.30
Avg	1494	3.67	2363.666667	6.03	3888.667	9.36	4469.333	10.50
DIFF
	-1.07%	-12.34%	20.50%	-23.92%	28.08%	-21.83%	51.76%	-18.06%
Machine details
CPU	4 core
OS	suse linux 11.2
RAM	24GB
Scale factor	10	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 - 1800
CONFIGURATION
Clients	1		2		4		8
WAL PG LZ COMPRESS USING NEW DATA
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	887	2.18	1734	2.97	3265	4.41	5602	7.32
Run2	888	2.18	1737	2.97	3331	4.39	5769	7.42
Run3	887	2.18	1745	2.98	3341	4.42	5590	7.37
Avg	887.3333333	2.18	1738.666667	2.97	3312.333	4.41	5653.667	7.37
Head code
	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)	TPS	Xlog Diff (GB)
Run1	922	4.31	1560	7.23	2244	10.43	3006	13.98
Run2	918	4.28	1578	7.30	2218	10.32	2965	13.79
Run3	917	4.27	1557	7.21	2245	10.44	2948	13.70
Avg	919	4.29	1565	7.25	2235.667	10.40	2973	13.82
DIFF
	-3.45%	-49.14%	11.10%	-58.97%	48.16%	-57.61%	90.17%	-46.68%