lsstarboy 发表于 2013-11-06 14:22

pgsql的测试,这是啥情况?

十来分钟以后再测,又到三位数了。
接着测,一次比一次高,最高一次上万了。

是不是FreeBSD某个缓存起作用了?但是很快又清空/重置了。

BTW:测试了插入和SELECT,总是比mysql慢一点,但是网上都说在FB下要比mysql好不少。

root@test:/# pgbench -t 2000 -c 4 -U pgsql test
……
tps = 385.099944 (including connections establishing)
tps = 385.632404 (excluding connections establishing)
root@ytest:/ # pgbench -t 2000 -c 4 -U pgsql test
……
tps = 1795.183075 (including connections establishing)
tps = 1833.380543 (excluding connections establishing)
root@test:/ # pgbench -t 2000 -c 4 -U pgsql test
……
tps = 4026.897663 (including connections establishing)
tps = 4059.588672 (excluding connections establishing)
root@test:/ # pgbench -t 2000 -c 4 -U pgsql test
……
tps = 5768.235194 (including connections establishing)
tps = 5808.567056 (excluding connections establishing)
root@test:/ # pgbench -t 2000 -c 4 -U pgsql test
……
tps = 6240.877592 (including connections establishing)
tps = 6290.470331 (excluding connections establishing)
root@test:/ # pgbench -t 2000 -c 4 -U pgsql test
……
tps = 7221.422349 (including connections establishing)
tps = 7252.841301 (excluding connections establishing)
root@test:/ # pgbench -t 2000 -c 4 -U pgsql test
……
tps = 6860.016224 (including connections establishing)
tps = 6888.220540 (excluding connections establishing)

gvim 发表于 2013-11-08 12:42

本帖最后由 gvim 于 2013-11-08 12:43 编辑

测试环境呢?参数配置等等

Hongqiyaodao 发表于 2013-11-08 13:48

lsstarboy 发表于 2013-11-08 14:36

回复 2# gvim


    没有经过特殊的优化,只进行了最基础的内存参数。

enous 发表于 2013-11-14 09:27

这个不知道呢。。。顶你一下
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