SQLite性能 - 意想不到，但又情理之中的测试结果。
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win7(64) sata2 希捷
MINGW32_NT-6.1 1.0.17(0.48/3/2) cat: /proc/cpuinfo: No such file or directory ------ 1000 in disk ---- repeat insert 1000 times, in 1 trans, with 1 stmt prepared 0.01s 0.21s commit: 1 real 0m0.484s user 0m0.000s sys 0m0.032s repeat insert 1000 times, in 1 trans, with each stmt prepared 0.01s 0.23s commit: 1 real 0m0.440s user 0m0.015s sys 0m0.000s repeat insert 1000 times, in auto trans(s), with 1 stmt prepared 215.52s 215.52s commit: 1000 real 3m35.756s user 0m0.000s sys 0m0.015s repeat insert 1000 times, in auto trans(s), with each stmt prepared 202.44s 202.44s commit: 1000 real 3m22.741s user 0m0.000s sys 0m0.000s ------ 2000 in disk ---- repeat insert 2000 times, in 1 trans, with 1 stmt prepared 0.02s 0.44s commit: 1 real 0m0.885s user 0m0.000s sys 0m0.015s repeat insert 2000 times, in 1 trans, with each stmt prepared 0.02s 0.20s commit: 1 real 0m0.468s user 0m0.000s sys 0m0.000s repeat insert 2000 times, in auto trans(s), with 1 stmt prepared 429.34s 429.34s commit: 2000 real 7m9.628s user 0m0.000s sys 0m0.000s repeat insert 2000 times, in auto trans(s), with each stmt prepared 423.91s 423.91s commit: 2000 real 7m4.186s user 0m0.000s sys 0m0.015s ----- 10000 in disk ---- repeat insert 10000 times, in 1 trans, with 1 stmt prepared 0.04s 0.40s commit: 1 real 0m0.780s user 0m0.000s sys 0m0.015s repeat insert 10000 times, in 1 trans, with each stmt prepared 0.12s 0.41s commit: 1 real 0m0.786s user 0m0.000s sys 0m0.015s ---- 100000 in disk ---- repeat insert 100000 times, in 1 trans, with 1 stmt prepared 0.36s 0.66s commit: 1 real 0m0.938s user 0m0.000s sys 0m0.000s repeat insert 100000 times, in 1 trans, with each stmt prepared 1.00s 1.45s commit: 1 real 0m1.713s user 0m0.000s sys 0m0.015s --- 1000000 in disk ---- repeat insert 1000000 times, in 1 trans, with 1 stmt prepared 2.07s 2.67s commit: 1 real 0m2.887s user 0m0.000s sys 0m0.015s repeat insert 1000000 times, in 1 trans, with each stmt prepared 8.60s 9.12s commit: 1 real 0m9.376s user 0m0.000s sys 0m0.015s
win7(64) usb-硬盘盒(sata2 西数)
------ 1000 in disk ---- rm: cannot lstat `test.db‘: No such file or directory repeat insert 1000 times, in 1 trans, with 1 stmt prepared 0.00s 0.03s commit: 1 real 0m0.108s user 0m0.015s sys 0m0.000s repeat insert 1000 times, in 1 trans, with each stmt prepared 0.01s 0.03s commit: 1 real 0m0.089s user 0m0.015s sys 0m0.000s repeat insert 1000 times, in auto trans(s), with 1 stmt prepared 8.17s 8.17s commit: 1000 real 0m8.254s user 0m0.000s sys 0m0.015s repeat insert 1000 times, in auto trans(s), with each stmt prepared 8.31s 8.31s commit: 1000 real 0m8.405s user 0m0.000s sys 0m0.015s ------ 2000 in disk ---- repeat insert 2000 times, in 1 trans, with 1 stmt prepared 0.00s 0.01s commit: 1 real 0m0.080s user 0m0.000s sys 0m0.031s repeat insert 2000 times, in 1 trans, with each stmt prepared 0.02s 0.03s commit: 1 real 0m0.080s user 0m0.000s sys 0m0.000s repeat insert 2000 times, in auto trans(s), with 1 stmt prepared 16.07s 16.07s commit: 2000 real 0m16.124s user 0m0.015s sys 0m0.000s repeat insert 2000 times, in auto trans(s), with each stmt prepared 17.50s 17.50s commit: 2000 real 0m17.572s user 0m0.000s sys 0m0.031s ----- 10000 in disk ---- repeat insert 10000 times, in 1 trans, with 1 stmt prepared 0.02s 0.04s commit: 1 real 0m0.102s user 0m0.000s sys 0m0.015s repeat insert 10000 times, in 1 trans, with each stmt prepared 0.12s 0.14s commit: 1 real 0m0.240s user 0m0.015s sys 0m0.031s ---- 100000 in disk ---- repeat insert 100000 times, in 1 trans, with 1 stmt prepared 0.17s 0.36s commit: 1 real 0m0.427s user 0m0.015s sys 0m0.000s repeat insert 100000 times, in 1 trans, with each stmt prepared 0.83s 1.03s commit: 1 real 0m1.080s user 0m0.000s sys 0m0.015s --- 1000000 in disk ---- repeat insert 1000000 times, in 1 trans, with 1 stmt prepared 1.79s 3.32s commit: 1 real 0m3.364s user 0m0.000s sys 0m0.015s repeat insert 1000000 times, in 1 trans, with each stmt prepared 8.40s 9.81s commit: 1 real 0m9.867s user 0m0.000s sys 0m0.000s
win7(32) 笔记本硬盘
------ 1000 in disk ---- repeat insert 1000 times, in 1 trans, with 1 stmt prepared 0.01s 0.09s commit: 1 real 0m0.750s user 0m0.000s sys 0m0.031s repeat insert 1000 times, in 1 trans, with each stmt prepared 0.04s 0.12s commit: 1 real 0m0.774s user 0m0.000s sys 0m0.015s repeat insert 1000 times, in auto trans(s), with 1 stmt prepared 103.46s 103.46s commit: 1000 real 1m44.107s user 0m0.000s sys 0m0.015s repeat insert 1000 times, in auto trans(s), with each stmt prepared 90.21s 90.21s commit: 1000 real 1m30.839s user 0m0.000s sys 0m0.031s ------ 2000 in disk ---- repeat insert 2000 times, in 1 trans, with 1 stmt prepared 0.01s 0.18s commit: 1 real 0m0.903s user 0m0.000s sys 0m0.000s repeat insert 2000 times, in 1 trans, with each stmt prepared 0.06s 0.30s commit: 1 real 0m0.949s user 0m0.000s sys 0m0.015s repeat insert 2000 times, in auto trans(s), with 1 stmt prepared 179.64s 179.64s commit: 2000 real 3m0.283s user 0m0.015s sys 0m0.015s repeat insert 2000 times, in auto trans(s), with each stmt prepared 183.82s 183.82s commit: 2000 real 3m4.585s user 0m0.000s sys 0m0.031s ----- 10000 in disk ---- repeat insert 10000 times, in 1 trans, with 1 stmt prepared 0.05s 0.22s commit: 1 real 0m0.881s user 0m0.000s sys 0m0.015s repeat insert 10000 times, in 1 trans, with each stmt prepared 0.21s 0.34s commit: 1 real 0m1.000s user 0m0.000s sys 0m0.000s ---- 100000 in disk ---- repeat insert 100000 times, in 1 trans, with 1 stmt prepared 0.45s 0.71s commit: 1 real 0m1.398s user 0m0.000s sys 0m0.015s repeat insert 100000 times, in 1 trans, with each stmt prepared 2.21s 2.38s commit: 1 real 0m3.161s user 0m0.000s sys 0m0.016s --- 1000000 in disk ---- repeat insert 1000000 times, in 1 trans, with 1 stmt prepared 3.93s 4.66s commit: 1 real 0m5.381s user 0m0.015s sys 0m0.000s repeat insert 1000000 times, in 1 trans, with each stmt prepared 20.62s 21.12s commit: 1 real 0m21.750s user 0m0.015s sys 0m0.015s
linux(vm11) vm虚拟硬盘
nux 2.6.32-358.el6.x86_64 cpu MHz : 3591.760 cpu MHz : 3591.760 ------ 1000 in disk ---- rm: cannot remove `test.db‘: No such file or directory repeat insert 1000 times, in 1 trans, with 1 stmt prepared 0.00s 0.00s commit: 1 real 0m0.032s user 0m0.009s sys 0m0.007s repeat insert 1000 times, in 1 trans, with each stmt prepared 0.01s 0.01s commit: 1 real 0m0.038s user 0m0.012s sys 0m0.008s repeat insert 1000 times, in auto trans(s), with 1 stmt prepared 0.95s 0.95s commit: 1000 real 0m3.372s user 0m0.015s sys 0m0.944s repeat insert 1000 times, in auto trans(s), with each stmt prepared 0.89s 0.89s commit: 1000 real 0m3.047s user 0m0.023s sys 0m0.872s ------ 2000 in disk ---- repeat insert 2000 times, in 1 trans, with 1 stmt prepared 0.01s 0.01s commit: 1 real 0m0.049s user 0m0.012s sys 0m0.009s repeat insert 2000 times, in 1 trans, with each stmt prepared 0.03s 0.03s commit: 1 real 0m0.057s user 0m0.034s sys 0m0.008s repeat insert 2000 times, in auto trans(s), with 1 stmt prepared 1.55s 1.55s commit: 2000 real 0m5.661s user 0m0.021s sys 0m1.540s repeat insert 2000 times, in auto trans(s), with each stmt prepared 1.90s 1.90s commit: 2000 real 0m7.214s user 0m0.059s sys 0m1.860s ----- 10000 in disk ---- repeat insert 10000 times, in 1 trans, with 1 stmt prepared 0.04s 0.04s commit: 1 real 0m0.071s user 0m0.045s sys 0m0.006s repeat insert 10000 times, in 1 trans, with each stmt prepared 0.08s 0.08s commit: 1 real 0m0.112s user 0m0.084s sys 0m0.006s ---- 100000 in disk ---- repeat insert 100000 times, in 1 trans, with 1 stmt prepared 0.14s 0.14s commit: 1 real 0m0.216s user 0m0.127s sys 0m0.027s repeat insert 100000 times, in 1 trans, with each stmt prepared 0.48s 0.48s commit: 1 real 0m0.533s user 0m0.481s sys 0m0.017s --- 1000000 in disk ---- repeat insert 1000000 times, in 1 trans, with 1 stmt prepared 1.38s 1.62s commit: 1 real 0m2.284s user 0m1.033s sys 0m0.600s repeat insert 1000000 times, in 1 trans, with each stmt prepared 4.60s 4.68s commit: 1 real 0m5.013s user 0m4.444s sys 0m0.244s
linux(vm11) usb-硬盘盒(sata2 西数)
Linux 2.6.32-358.el6.x86_64 cpu MHz : 3591.760 cpu MHz : 3591.760 ------ 1000 in disk ---- rm: cannot remove `test.db‘: No such file or directory repeat insert 1000 times, in 1 trans, with 1 stmt prepared 0.00s 0.00s commit: 1 real 0m0.237s user 0m0.008s sys 0m0.010s repeat insert 1000 times, in 1 trans, with each stmt prepared 0.02s 0.03s commit: 1 real 0m0.088s user 0m0.023s sys 0m0.011s repeat insert 1000 times, in auto trans(s), with 1 stmt prepared 2.18s 2.18s commit: 1000 real 0m42.629s user 0m0.089s sys 0m2.105s repeat insert 1000 times, in auto trans(s), with each stmt prepared 2.35s 2.35s commit: 1000 real 0m43.325s user 0m0.084s sys 0m2.281s ------ 2000 in disk ---- repeat insert 2000 times, in 1 trans, with 1 stmt prepared 0.01s 0.01s commit: 1 real 0m0.126s user 0m0.015s sys 0m0.012s repeat insert 2000 times, in 1 trans, with each stmt prepared 0.03s 0.03s commit: 1 real 0m0.121s user 0m0.035s sys 0m0.006s repeat insert 2000 times, in auto trans(s), with 1 stmt prepared 4.43s 4.43s commit: 2000 real 1m28.085s user 0m0.107s sys 0m4.333s repeat insert 2000 times, in auto trans(s), with each stmt prepared 4.76s 4.76s commit: 2000 real 1m28.598s user 0m0.207s sys 0m4.565s ----- 10000 in disk ---- repeat insert 10000 times, in 1 trans, with 1 stmt prepared 0.03s 0.03s commit: 1 real 0m0.167s user 0m0.040s sys 0m0.007s repeat insert 10000 times, in 1 trans, with each stmt prepared 0.08s 0.08s commit: 1 real 0m0.205s user 0m0.089s sys 0m0.010s ---- 100000 in disk ---- repeat insert 100000 times, in 1 trans, with 1 stmt prepared 0.18s 0.21s commit: 1 real 0m1.191s user 0m0.196s sys 0m0.029s repeat insert 100000 times, in 1 trans, with each stmt prepared 0.55s 0.56s commit: 1 real 0m1.526s user 0m0.558s sys 0m0.021s --- 1000000 in disk ---- repeat insert 1000000 times, in 1 trans, with 1 stmt prepared 1.38s 1.46s commit: 1 real 0m11.102s user 0m1.337s sys 0m0.140s repeat insert 1000000 times, in 1 trans, with each stmt prepared 4.61s 4.71s commit: 1 real 0m14.392s user 0m4.511s sys 0m0.217s
xp(vm11) vm虚拟硬盘
MINGW32_NT-5.1 1.0.17(0.48/3/2) cat: /proc/cpuinfo: No such file or directory ------ 1000 in disk ---- rm: cannot lstat `test.db‘: No such file or directory repeat insert 1000 times, in 1 trans, with 1 stmt prepared 0.00s 0.00s commit: 1 real 0m0.047s user 0m0.030s sys 0m0.015s repeat insert 1000 times, in 1 trans, with each stmt prepared 0.00s 0.02s commit: 1 real 0m0.047s user 0m0.015s sys 0m0.000s repeat insert 1000 times, in auto trans(s), with 1 stmt prepared 6.39s 6.39s commit: 1000 real 0m6.422s user 0m0.015s sys 0m0.000s repeat insert 1000 times, in auto trans(s), with each stmt prepared 5.14s 5.14s commit: 1000 real 0m5.156s user 0m0.015s sys 0m0.015s ------ 2000 in disk ---- repeat insert 2000 times, in 1 trans, with 1 stmt prepared 0.00s 0.01s commit: 1 real 0m0.031s user 0m0.015s sys 0m0.015s repeat insert 2000 times, in 1 trans, with each stmt prepared 0.01s 0.03s commit: 1 real 0m0.062s user 0m0.015s sys 0m0.030s repeat insert 2000 times, in auto trans(s), with 1 stmt prepared 11.67s 11.67s commit: 2000 real 0m11.703s user 0m0.015s sys 0m0.000s repeat insert 2000 times, in auto trans(s), with each stmt prepared 11.20s 11.20s commit: 2000 real 0m11.219s user 0m0.015s sys 0m0.000s ----- 10000 in disk ---- repeat insert 10000 times, in 1 trans, with 1 stmt prepared 0.02s 0.03s commit: 1 real 0m0.063s user 0m0.015s sys 0m0.000s repeat insert 10000 times, in 1 trans, with each stmt prepared 0.09s 0.11s commit: 1 real 0m0.140s user 0m0.015s sys 0m0.015s ---- 100000 in disk ---- repeat insert 100000 times, in 1 trans, with 1 stmt prepared 0.20s 0.31s commit: 1 real 0m0.343s user 0m0.015s sys 0m0.015s repeat insert 100000 times, in 1 trans, with each stmt prepared 0.86s 1.14s commit: 1 real 0m1.172s user 0m0.015s sys 0m0.016s --- 1000000 in disk ---- repeat insert 1000000 times, in 1 trans, with 1 stmt prepared 3.98s 4.50s commit: 1 real 0m4.531s user 0m0.015s sys 0m0.000s repeat insert 1000000 times, in 1 trans, with each stmt prepared 9.13s 9.83s commit: 1 real 0m9.859s user 0m0.015s sys 0m0.015s
xp(vm11) usb-硬盘盒(sata2 西数)
MINGW32_NT-5.1 1.0.17(0.48/3/2) cat: /proc/cpuinfo: No such file or directory ------ 1000 in disk ---- rm: cannot lstat `test.db‘: No such file or directory repeat insert 1000 times, in 1 trans, with 1 stmt prepared 0.00s 0.05s commit: 1 real 0m0.094s user 0m0.015s sys 0m0.015s repeat insert 1000 times, in 1 trans, with each stmt prepared 0.02s 0.09s commit: 1 real 0m0.156s user 0m0.015s sys 0m0.015s repeat insert 1000 times, in auto trans(s), with 1 stmt prepared 36.84s 36.84s commit: 1000 real 0m36.890s user 0m0.015s sys 0m0.015s repeat insert 1000 times, in auto trans(s), with each stmt prepared 37.36s 37.36s commit: 1000 real 0m37.407s user 0m0.015s sys 0m0.015s ------ 2000 in disk ---- repeat insert 2000 times, in 1 trans, with 1 stmt prepared 0.00s 0.06s commit: 1 real 0m0.141s user 0m0.015s sys 0m0.030s repeat insert 2000 times, in 1 trans, with each stmt prepared 0.01s 0.06s commit: 1 real 0m0.125s user 0m0.015s sys 0m0.000s repeat insert 2000 times, in auto trans(s), with 1 stmt prepared 77.27s 77.27s commit: 2000 real 1m17.312s user 0m0.015s sys 0m0.015s repeat insert 2000 times, in auto trans(s), with each stmt prepared 75.89s 75.89s commit: 2000 real 1m15.954s user 0m0.015s sys 0m0.031s ----- 10000 in disk ---- repeat insert 10000 times, in 1 trans, with 1 stmt prepared 0.01s 0.09s commit: 1 real 0m0.141s user 0m0.015s sys 0m0.031s repeat insert 10000 times, in 1 trans, with each stmt prepared 0.08s 0.16s commit: 1 real 0m0.203s user 0m0.015s sys 0m0.015s ---- 100000 in disk ---- repeat insert 100000 times, in 1 trans, with 1 stmt prepared 0.27s 0.73s commit: 1 real 0m0.781s user 0m0.015s sys 0m0.015s repeat insert 100000 times, in 1 trans, with each stmt prepared 0.91s 2.91s commit: 1 real 0m2.969s user 0m0.015s sys 0m0.015s --- 1000000 in disk ---- repeat insert 1000000 times, in 1 trans, with 1 stmt prepared 4.75s 5.55s commit: 1 real 0m5.719s user 0m0.015s sys 0m0.078s repeat insert 1000000 times, in 1 trans, with each stmt prepared 10.56s 11.66s commit: 1 real 0m11.734s user 0m0.015s sys 0m0.031s
磁盘不利于零散的读写。
vm虚拟硬盘，就是vm运行所在的操作系统的文件系统中一个或一组文件，频繁的IO操作并没有实时同步到物理扇区。
硬盘用硬盘盒转换成usb接口后，硬盘盒与操作系统之间的驱动方式是usb，不再是磁盘驱动，所以IO操作也是没有实时同步到物理扇区。
因为挂在sata（或其它类型主板上硬盘接口）上的物理磁盘，磁盘驱动会将所有IO同步请求实时同步到物理扇区，所以十分的慢。
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