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2014-01-06 22:12:46 +08:00

回复了 Tianpu 创建的主题 › 程序员 › 探讨 - 缓存存储方案：mysql vs memcached

结论似乎是mysql并发不行貌似就是一般结论了好处是mysql相对更加持久和不怕重启哎我还是改回memcached吧

多些楼上各位都送钱了

2014-01-06 22:10:39 +08:00

回复了 Tianpu 创建的主题 › 程序员 › 探讨 - 缓存存储方案：mysql vs memcached

@Maslino ab测试不能说明问题又没有别的测试我就贴下吧

**********************************************************************

128并发：

方案一：
Write errors: 0
Total transferred: 200530818 bytes
HTML transferred: 198350958 bytes
Requests per second: 822.91 [#/sec] (mean)
Time per request: 155.545 [ms] (mean)
Time per request: 1.215 [ms] (mean, across all concurrent requests)
Transfer rate: 15737.46 [Kbytes/sec] received

Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 13 22.8 1 133
Processing: 10 142 53.2 142 676
Waiting: 0 131 57.5 137 676
Total: 11 155 51.1 147 705

Percentage of the requests served within a certain time (ms)
50% 147
66% 161
75% 173
80% 181
90% 209
95% 237
98% 279
99% 318
100% 705 (longest request)

方案二：
Write errors: 0
Total transferred: 200939520 bytes
HTML transferred: 198758400 bytes
Requests per second: 819.24 [#/sec] (mean)
Time per request: 156.241 [ms] (mean)
Time per request: 1.221 [ms] (mean, across all concurrent requests)
Transfer rate: 15699.26 [Kbytes/sec] received

Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 21 27.1 6 137
Processing: 9 135 51.5 129 445
Waiting: 1 118 56.1 112 434
Total: 12 156 51.9 149 445

Percentage of the requests served within a certain time (ms)
50% 149
66% 169
75% 187
80% 195
90% 223
95% 248
98% 279
99% 308
100% 445 (longest request)

*********************************************************************

1024并发：

方案一：
Write errors: 0
Total transferred: 200336198 bytes
HTML transferred: 198156938 bytes
Requests per second: 801.65 [#/sec] (mean)
Time per request: 1277.367 [ms] (mean)
Time per request: 1.247 [ms] (mean, across all concurrent requests)
Transfer rate: 15315.95 [Kbytes/sec] received

Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 51 98.1 1 623
Processing: 32 1191 540.9 1237 3749
Waiting: 7 1090 471.4 1221 3474
Total: 96 1241 518.5 1251 4039

Percentage of the requests served within a certain time (ms)
50% 1251
66% 1315
75% 1355
80% 1519
90% 1848
95% 2017
98% 2366
99% 3112
100% 4039 (longest request)

方案二：

Total transferred: 200939520 bytes
HTML transferred: 198758400 bytes
Requests per second: 824.39 [#/sec] (mean)
Time per request: 1242.128 [ms] (mean)
Time per request: 1.213 [ms] (mean, across all concurrent requests)
Transfer rate: 15797.89 [Kbytes/sec] received

Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 70 113.6 12 597
Processing: 14 1131 484.6 1066 2970
Waiting: 9 1011 461.8 992 2431
Total: 47 1201 452.1 1176 2970

Percentage of the requests served within a certain time (ms)
50% 1176
66% 1279
75% 1426
80% 1532
90% 1800
95% 1959
98% 2328
99% 2657
100% 2970 (longest request)

************************************************************************

高并发mysql的确不如memcached 一般并发 mysql劣势不是很明显

一般情况下，只读是这样子的：

方案一：

73dc7f908ca127684c9cb874dbc3392d
73dc7f908ca127684c9cb874dbc3392d
73dc7f908ca127684c9cb874dbc3392d
73dc7f908ca127684c9cb874dbc3392d
73dc7f908ca127684c9cb874dbc3392d
73dc7f908ca127684c9cb874dbc3392d
73dc7f908ca127684c9cb874dbc3392d
73dc7f908ca127684c9cb874dbc3392d
73dc7f908ca127684c9cb874dbc3392d

load in 0.000408888s

方案二：

23618634799318c968a5a35c8cac0974
23618634799318c968a5a35c8cac0974
23618634799318c968a5a35c8cac0974
23618634799318c968a5a35c8cac0974
23618634799318c968a5a35c8cac0974
23618634799318c968a5a35c8cac0974
23618634799318c968a5a35c8cac0974
23618634799318c968a5a35c8cac0974
23618634799318c968a5a35c8cac0974

load in 0.000947952s

2013-11-11 15:03:34 +08:00

回复了 Tianpu 创建的主题 › Linux › debian sid作为生产系统可以吗？

@KDr2 我估计需要的部分就是基本系统然后装上

实在是忍受不了ubuntu和centos 这会开始测试openbsd 如果可以用这个感觉也还好

2013-11-09 09:16:58 +08:00

回复了 Tianpu 创建的主题 › 问与答 › 有英语口语好的可以帮我打个电话吗？

@horx
@xiongke

流程我清楚啊问题是我口语不够好

2013-11-06 21:30:13 +08:00

回复了 Tianpu 创建的主题 › BTSync › BitTorrent Sync看起来很不错啊

我也崩溃过几次 win7 最近一个小时好多了

下载速度太快的话不稳定？

这会没测试18+了速度低下来了
@manhere

2013-11-06 20:22:11 +08:00

回复了 Tianpu 创建的主题 › BTSync › BitTorrent Sync看起来很不错啊

RYP47RLKJJSEZOY3Z3JASB66CSMZD7MZN

这个速度很快桌面壁纸

2013-10-30 14:51:07 +08:00

回复了 pyKun 创建的主题 › SmartOS › SmartOS的zone背后是怎么实现的？

opensolaris

2013-10-05 19:40:17 +08:00

回复了 Tianpu 创建的主题 › 奇思妙想 › Writings.io有感

@zorceta
我想的是只展示记事本能展示的

2013-08-31 10:56:31 +08:00

回复了 Tianpu 创建的主题 › 服务器 › hetzner killer

Benchmark Run: Sat Aug 31 2013 01:57:22 - 02:26:05
8 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 41817426.0 lps (10.0 s, 7 samples)
Double-Precision Whetstone 4559.7 MWIPS (9.9 s, 7 samples)
Execl Throughput 3473.1 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 1601231.6 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 439823.9 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 3414774.8 KBps (30.0 s, 2 samples)
Pipe Throughput 3024067.8 lps (10.0 s, 7 samples)
Pipe-based Context Switching 131730.9 lps (10.0 s, 7 samples)
Process Creation 10282.5 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 6083.2 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 2524.9 lpm (60.0 s, 2 samples)
System Call Overhead 5090329.1 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 41817426.0 3583.3
Double-Precision Whetstone 55.0 4559.7 829.0
Execl Throughput 43.0 3473.1 807.7
File Copy 1024 bufsize 2000 maxblocks 3960.0 1601231.6 4043.5
File Copy 256 bufsize 500 maxblocks 1655.0 439823.9 2657.5
File Copy 4096 bufsize 8000 maxblocks 5800.0 3414774.8 5887.5
Pipe Throughput 12440.0 3024067.8 2430.9
Pipe-based Context Switching 4000.0 131730.9 329.3
Process Creation 126.0 10282.5 816.1
Shell Scripts (1 concurrent) 42.4 6083.2 1434.7
Shell Scripts (8 concurrent) 6.0 2524.9 4208.2
System Call Overhead 15000.0 5090329.1 3393.6
========
System Benchmarks Index Score 1886.5

------------------------------------------------------------------------
Benchmark Run: Sat Aug 31 2013 02:26:05 - 02:54:33
8 CPUs in system; running 8 parallel copies of tests

Dhrystone 2 using register variables 154017417.8 lps (10.0 s, 7 samples)
Double-Precision Whetstone 28406.2 MWIPS (9.9 s, 7 samples)
Execl Throughput 36548.5 lps (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 994619.0 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 268745.4 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2826491.7 KBps (30.0 s, 2 samples)
Pipe Throughput 13418427.5 lps (10.0 s, 7 samples)
Pipe-based Context Switching 3078853.9 lps (10.0 s, 7 samples)
Process Creation 116954.7 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 52541.5 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 6860.9 lpm (60.0 s, 2 samples)
System Call Overhead 10108912.2 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 154017417.8 13197.7
Double-Precision Whetstone 55.0 28406.2 5164.8
Execl Throughput 43.0 36548.5 8499.7
File Copy 1024 bufsize 2000 maxblocks 3960.0 994619.0 2511.7
File Copy 256 bufsize 500 maxblocks 1655.0 268745.4 1623.8
File Copy 4096 bufsize 8000 maxblocks 5800.0 2826491.7 4873.3
Pipe Throughput 12440.0 13418427.5 10786.5
Pipe-based Context Switching 4000.0 3078853.9 7697.1
Process Creation 126.0 116954.7 9282.1
Shell Scripts (1 concurrent) 42.4 52541.5 12391.9
Shell Scripts (8 concurrent) 6.0 6860.9 11434.9
System Call Overhead 15000.0 10108912.2 6739.3
========
System Benchmarks Index Score 6719.6

2013-08-31 10:24:12 +08:00

回复了 Tianpu 创建的主题 › 服务器 › hetzner killer

HW RAID1
在运行unixbench了

2013-08-31 10:20:16 +08:00

回复了 Tianpu 创建的主题 › 服务器 › hetzner killer

无缓存写140MB/s

2013-08-31 10:11:55 +08:00

回复了 Tianpu 创建的主题 › 服务器 › hetzner killer

国内ping速度

ping.chinaz.com结果

http://ww4.sinaimg.cn/large/6fcd2b6btw1e85mbx7qbcj20kd066myc.jpg

2013-08-30 18:17:07 +08:00

回复了 Tianpu 创建的主题 › 服务器 › hetzner killer

@qiuai

还是peding状态波兰人的生意

第一印象比较久应该有几年了

德国Equinix机房，觉得应该不至于不能用吧

好了后我发下硬盘速度和整体测分比较关注这个

可能是旧硬件，因为这价格比hetzner还惊人还不带setup fee

2013-07-05 13:54:48 +08:00

回复了 Tianpu 创建的主题 › 程序员 › 豆瓣用js console招聘啊

@akalanala
@qiqiboy
@BOYPT
@cxshun
@DaniloSam
@clippit

看来只好自己写了就是想偷懒下我想输出的html比较简单些然后能不让jquery污染代码

先不感谢了等我造好自己的轮子所有参与者全部送钱吧

2013-07-04 19:30:41 +08:00

回复了 Tianpu 创建的主题 › 程序员 › 豆瓣用js console招聘啊

@saggit 谢谢这个库也好大啊

2013-07-04 18:57:26 +08:00

回复了 Tianpu 创建的主题 › 程序员 › 豆瓣用js console招聘啊

@zythum 那可能是我本地的问题有印象哪里有吗？我实在是不想写了哎

2013-07-04 18:50:17 +08:00

回复了 Tianpu 创建的主题 › 程序员 › 豆瓣用js console招聘啊

@zythum 好看的<select><option>美化方案吧豆瓣这个就算 http://sh.ganji.com/weixiu/ 搜索框右侧的分类选择也是英文关键字是js drop-down select without jquery 反正我是找不到不带jquery的

还有，你的图床挂了每次我上传图片都去你的图床然后今天不行了登录也卡死在上传的进度条于是我自己登录微博上传了

2013-06-20 00:13:07 +08:00

回复了 dallaslu 创建的主题 › 问与答 › 王奶奶家的后院里放着一口大缸，下雨的时候，水缸可以在2个小时内盛满雨水。如果这天雨的大小并没有什么变化，只是雨是倾斜着落下来的，那么，要盛满这口缸需要的时间是长了还是短了？

雨量一定承受雨水的面积一定占据所有雨水的比例一定难道还有什么不确定？

就比如100个人分1000块钱，怎么都是一个人10块钱

2013-04-27 22:40:13 +08:00

回复了 kopp123 创建的主题 › 问与答 › 戒了4次烟都已失败告终，有谁戒烟成功过吗

我觉得这和个人意志力关联而已

2013-04-27 14:31:42 +08:00

回复了 dengyunxuan 创建的主题 › 问与答 › 在帝都创业搬家公司，不知道怎么取名现在来这里借鉴。

达尔的移动城堡

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