xXx

Hexid M1n1 5h3ll MobiLe

proc/9153/root/usr/local/src/mysql-5.5.28/storage/ndb/docs/_[ Not.Writable ]

File://proc/9153/root/usr/local/src/mysql-5.5.28/storage/ndb/docs/wl2077.txt

100' * (select 1 from T1 (1M rows) where key = rand());
1 host, 1 ndbd, api co-hosted
results in 1000 rows / sec

					wo/reset bounds  w/ rb
4.1-read committed		        a) 4.9		b) 7.4
4.1-read hold lock			c) 4.7		d) 6.7

wl2077-read committed			6.4 (+30%)	10.8 (+45%)
wl2077-read hold lock			4.6 (-1%)	6.7 (+ 0%)

5.0-ndb batch read committed		f) 50' (+680%)	g) 50' (+360%)
5.0-ndb batch read hold lock		h) 12' (+160%)	i) 13' (+79%)

shm-mem	read committed (cmp. wl2077)	a) 9.5' (+48%)	b) 14' (+30%)
	read hold lock			c) 6.7'	(+45%)	d) 9.8'	(+46%)

-- Comparision e)			shm
serial pk:	       10.9'		20' (+83%)
batched (1000):	       59'		62' (+5%)
serial uniq index:     8.4'		14' (+66%)
batched (1000):	       33'		36' (+9%)
index range (1000):    186'

----

load) testScanPerf -c 1 -d 1 T1
a) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 0 -r 2 -q 0 T1
b) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 0 -r 2 -q 1 T1
c) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 1 -r 2 -q 0 T1
d) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 1 -r 2 -q 1 T1
e) testReadPerf -i 25 -c 0 -d 0 T1
f) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 0 -r 3 -q 0 -m 1000 -i 10 T1
g) testScanPerf -s 100000 -c 0 -d 0 -a 1 -l 0 -r 3 -q 1 -m 1000 -i 10 T1

--- music join		1db-co		2db-co
			
4.1			13s		14s
4.1 wo/ blobs		1.7s		3.2s

wl2077			12s		14s
wl2077 wo/ blobs	1.2s (-30%)	2.5s (-22%)

pekka-blob-fix		1.3s

shm			1.2s		2.0s
shm wo/ blobs		1.1s		2.0s

Your Access Expired	Date. in : 15-08-2025
Regist : 09-12-2024	Expired : 01-12-2027