【Linux知识】server性能测试--UnixBench

链接地址： http://blog.csdn.net/jason_asia/article/details/38309079

1.1. server性能测试UnixBench

分别DELL R720和DELL R610作为測试的server。因server配置不同，结果仅供參考.

下载：

wget http://byte-unixbench.googlecode.com/files/UnixBench5.1.3.tgz

安装：

tar zxf UnixBench5.1.3.tgz

cd UnixBench

make

执行：

./Run

server配置信息：

Product Name: Dell Inc. PowerEdge R720

Host Name: test

Kernel Version: 2.6.32-358.el6.x86_64 x86_64

OS Version: CentOS release 6.4 (Final)

Time Zone: Asia/Ho_Chi_Minh +0700

Char Set: en_US

Memory: 4 memories,total size is 32768MB,Speed: 1600 MHz,Type: DDR3

CPU info: Intel(R) Xeon(R) CPU E5-2609 v2 @2.50GHz, 2 * 4 core, cache size 10240 KB

Swap Info: 7999 MB, vm.swappiness = 0

Disk Capacity: /dev/sda: 584.7 GB

Raid Info: PERC H710 Mini, 512MB cache,BBU,FW21.2.0-0007

RAID1, strip 64 KB, 4 * 2disks/span

Current Cache Policy:WriteBack, ReadAdaptive, Direct, Write Cache OK if Bad BBU

BBU Info: Next Learn time: Tue May 27 17:40:472014,Relative State of Charge: 83 %,Charger Status: Unknown,isSOHGood: Yes

Disk Info: 8 * 136.732 GB , 6.0Gb/s ,port speed6.0Gb/s

File System: /home: xfs ,527G

/tmp: tmpfs ,16G

I/O scheduler: sda [deadline]

測试结果：

# time ./Run

make all

make[1]: Entering directory`/root/UnixBench'

Checking distribution of files

./pgms exists

./src exists

./testdir exists

./tmp exists

./results exists

make[1]: Leaving directory`/root/UnixBench'

sh: 3dinfo: command not found

# # # # # # # ##### ###### # # #### # #

# # ## # # # # # # # ## # # # # #

# # # # # # ## ##### ##### # # # # ######

# # # ## # ## # # # # # # # # #

# # # ## # # # # # # # ## # # # #

#### # # # # # ##### ###### # # #### # #

Version 5.1.3 Based on the Byte Magazine Unix Benchmark

Multi-CPU version Version 5 revisions by Ian Smith,

Sunnyvale, CA, USA

January 13, 2011 johantheghost at yahoo period com

1 x Dhrystone 2 using registervariables 1 2 3 4 5 6 7 8 9 10

1 x Double-Precision Whetstone 1 2 3 4 5 6 7 8 9 10

1 x Execl Throughput 1 2 3

1 x File Copy 1024 bufsize 2000maxblocks 1 2 3

1 x File Copy 256 bufsize 500maxblocks 1 2 3

1 x File Copy 4096 bufsize 8000maxblocks 1 2 3

1 x Pipe Throughput 1 2 3 4 5 6 7 8 9 10

1 x Pipe-based Context Switching 1 2 3 4 5 6 7 8 9 10

1 x Process Creation 1 2 3

1 x System Call Overhead 1 2 3 4 5 6 7 8 9 10

1 x Shell Scripts (1 concurrent) 1 2 3

1 x Shell Scripts (8 concurrent) 1 2 3

8 x Dhrystone 2 using registervariables 1 2 3 4 5 6 7 8 9 10

8 x Double-Precision Whetstone 1 2 3 4 5 6 7 8 9 10

8 x Execl Throughput 1 2 3

8 x File Copy 1024 bufsize 2000maxblocks 1 2 3

8 x File Copy 256 bufsize 500maxblocks 1 2 3

8 x File Copy 4096 bufsize 8000maxblocks 1 2 3

8 x Pipe Throughput 1 2 3 4 5 6 7 8 9 10

8 x Pipe-based Context Switching 1 2 3 4 5 6 7 8 9 10

8 x Process Creation 1 2 3

8 x System Call Overhead 1 2 3 4 5 6 7 8 9 10

8 x Shell Scripts (1 concurrent) 1 2 3

8 x Shell Scripts (8 concurrent) 1 2 3

========================================================================

BYTE UNIX Benchmarks (Version 5.1.3)

System: vn_dpcq_backup_dbserver: GNU/Linux

OS: GNU/Linux -- 2.6.32-358.el6.x86_64 -- #1 SMP Fri Feb 22 00:31:26 UTC2013

Machine: x86_64 (x86_64)

Language: en_US.utf8 (charmap="UTF-8",collate="UTF-8")

CPU 0: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz (4999.8 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 1: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz (4999.3 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 2: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz (4999.8 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU3: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz (4999.3 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 4: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz (4999.8 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 5: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz (4999.3 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 6: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz (4999.8 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 7: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz (4999.3 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

22:00:22 up 77 days, 10:34, 2users, load average: 1.15, 1.01, 0.93;runlevel 3

------------------------------------------------------------------------

Benchmark Run: Wed Jul 30 2014 22:00:22 -22:27:47

8 CPUs in system; running 1 parallel copyof tests

Dhrystone 2 using register variables 27570040.0 lps (10.0 s, 7 samples)

Double-Precision Whetstone 3041.3 MWIPS (6.5 s, 7samples)

Execl Throughput 1855.2 lps (30.0 s, 2 samples)

File Copy 1024 bufsize 2000 maxblocks 816467.6 KBps (30.0 s, 2 samples)

File Copy 256 bufsize 500 maxblocks 218024.2 KBps (30.0 s, 2 samples)

File Copy 4096 bufsize 8000 maxblocks 1536957.9 KBps (30.0 s, 2 samples)

Pipe Throughput 1454276.0 lps (10.0 s, 7 samples)

Pipe-based Context Switching 88740.9 lps (10.0 s, 7 samples)

Process Creation 4974.0 lps (30.0 s, 2 samples)

Shell Scripts (1 concurrent) 3078.0 lpm (60.0 s, 2 samples)

Shell Scripts (8 concurrent) 1663.2 lpm (60.0 s, 2 samples)

System Call Overhead 1912485.4 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX

Dhrystone 2 using register variables 116700.0 27570040.0 2362.5

Double-Precision Whetstone 55.0 3041.3 553.0

Execl Throughput 43.0 1855.2 431.5

File Copy 1024 bufsize 2000 maxblocks 3960.0 816467.6 2061.8

File Copy 256 bufsize 500 maxblocks 1655.0 218024.2 1317.4

File Copy 4096 bufsize 8000 maxblocks 5800.0 1536957.9 2649.9

Pipe Throughput 12440.0 1454276.0 1169.0

Pipe-based Context Switching 4000.0 88740.9 221.9

Process Creation 126.0 4974.0 394.8

Shell Scripts (1 concurrent) 42.4 3078.0 725.9

Shell Scripts (8 concurrent) 6.0 1663.2 2772.1

System Call Overhead 15000.0 1912485.4 1275.0

========

System Benchmarks Index Score 1005.3

------------------------------------------------------------------------

Benchmark Run: Wed Jul 30 2014 22:27:47 -22:55:01

8 CPUs in system; running 8 parallel copiesof tests

Dhrystone 2 using register variables 221136112.5 lps (10.0 s, 7 samples)

Double-Precision Whetstone 24325.0 MWIPS (6.0 s, 7samples)

Execl Throughput 30167.6 lps (30.0 s, 2 samples)

File Copy 1024 bufsize 2000 maxblocks 281771.5 KBps (30.0 s, 2 samples)

File Copy 256 bufsize 500 maxblocks 77252.4 KBps (30.0 s, 2 samples)

File Copy 4096 bufsize 8000 maxblocks 878007.3 KBps (30.0 s, 2 samples)

Pipe Throughput 11413805.1 lps (10.0 s, 7 samples)

Pipe-based Context Switching 2370561.4 lps (10.0 s, 7 samples)

Process Creation 74692.8 lps (30.0 s, 2 samples)

Shell Scripts (1 concurrent) 35687.9 lpm (60.0 s, 2 samples)

Shell Scripts (8 concurrent) 5028.6 lpm (60.0 s, 2 samples)

System Call Overhead 4188710.7 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX

Dhrystone 2 using register variables 116700.0 221136112.5 18949.1

Double-Precision Whetstone 55.0 24325.0 4422.7

Execl Throughput 43.0 30167.6 7015.7

File Copy 1024 bufsize 2000 maxblocks 3960.0 281771.5 711.5

File Copy 256 bufsize 500 maxblocks 1655.0 77252.4 466.8

File Copy 4096 bufsize 8000 maxblocks 5800.0 878007.3 1513.8

Pipe Throughput 12440.0 11413805.1 9175.1

Pipe-based Context Switching 4000.0 2370561.4 5926.4

Process Creation 126.0 74692.8 5928.0

Shell Scripts (1 concurrent) 42.4 35687.9 8417.0

Shell Scripts (8 concurrent) 6.0 5028.6 8381.0

System Call Overhead 15000.0 4188710.7 2792.5

========

System Benchmarks Index Score 4037.6

real 54m39.103s

user 57m37.687s

sys 95m44.095s

#################################

server配置信息：

Product Name: Dell Inc. PowerEdge R610

Host Name: test

Kernel Version: 2.6.18-194.el5 x86_64

OS Version: Red Hat Enterprise Linux Serverrelease 5.3 (Tikanga)

Time Zone: Asia/Shanghai +0800

Char Set: en_US

Memory: 8 memories,total size is 16384MB,Speed: 1333 MHz (0.8 ns),Type: <OUT OF SPEC>

CPU info: Intel(R) Xeon(R) CPU E5506 @ 2.13GHz, 2 * 4 core, cache size 4096 KB

Swap Info: 8189 MB, vm.swappiness = 0

Disk Capacity: /dev/sda: 146.1 GB

Raid Info: PERC H700 Integrated, 512MBcache,BBU,FW 12.10.1-0001

RAID1, strip 64 KB, 1* 2 disks/span

Current Cache Policy:WriteBack, ReadAdaptive, Direct, Write Cache OK if Bad BBU

BBU Info: Next Learn time: Fri Aug1 06:17:162014,Relative State of Charge: 99 %,,

Disk Info: 2 * 136.732 GB , 6.0Gb/s ,port speed6.0Gb/s

File System: /home: xfs ,109G

/tmp: tmpfs ,7.9G

Nic Info: eth0 2.0.8e,link detectedis yes,speed 1000Mb/s.

eth1 2.0.8e,link detectedis yes,speed 1000Mb/s.

I/O scheduler: sda [deadline]

測试结果：

# ./Run

make all

make[1]: Entering directory`/root/UnixBench'

Checking distribution of files

./pgms exists

./src exists

./testdir exists

./tmp exists

./results exists

make[1]: Leaving directory`/root/UnixBench'

sh: 3dinfo: command not found

# # # # # # # ##### ###### # # #### # #

# # ## # # # # # # # ## # # # # #

# # # # # # ## ##### ##### # # # # ######

# # # ## # ## # # # # # # # # #

# # # ## # # # # # # # ## # # # #

#### # # # # # ##### ###### # # #### # #

Version 5.1.3 Based on the Byte Magazine Unix Benchmark

Multi-CPU version Version 5 revisions by Ian Smith,

Sunnyvale, CA, USA

January 13, 2011 johantheghost at yahoo period com

1 x Dhrystone 2 using registervariables 1 2 3 4 5 6 7 8 9 10

1 x Double-Precision Whetstone 1 2 3 4 5 6 7 8 9 10

1 x Execl Throughput 1 2 3

1 x File Copy 1024 bufsize 2000maxblocks 1 2 3

1 x File Copy 256 bufsize 500maxblocks 1 2 3

1 x File Copy 4096 bufsize 8000maxblocks 1 2 3

1 x Pipe Throughput 1 2 3 4 5 6 7 8 9 10

1 x Pipe-based Context Switching 1 2 3 4 5 6 7 8 9 10

1 x Process Creation 1 2 3

1 x System Call Overhead 1 2 3 4 5 6 7 8 9 10

1 x Shell Scripts (1 concurrent) 1 2 3

1 x Shell Scripts (8 concurrent) 1 2 3

8 x Dhrystone 2 using registervariables 1 2 3 4 5 6 7 8 9 10

8 x Double-Precision Whetstone 1 2 3 4 5 6 7 8 9 10

8 x Execl Throughput 1 2 3

8 x File Copy 1024 bufsize 2000maxblocks 1 2 3

8 x File Copy 256 bufsize 500maxblocks 1 2 3

8 x File Copy 4096 bufsize 8000maxblocks 1 2 3

8 x Pipe Throughput 1 2 3 4 5 6 7 8 9 10

8 x Pipe-based Context Switching 1 2 3 4 5 6 7 8 9 10

8 x Process Creation 1 2 3

8 x System Call Overhead 1 2 3 4 5 6 7 8 9 10

8 x Shell Scripts (1 concurrent) 1 2 3

8 x Shell Scripts (8 concurrent) 1 2 3

========================================================================

BYTE UNIX Benchmarks (Version 5.1.3)

System: my_tlbb_9018_192.168.104.124: GNU/Linux

OS: GNU/Linux -- 2.6.18-194.el5 -- #1 SMP Tue Mar 16 21:52:39 EDT 2010

Machine: x86_64 (x86_64)

Language: en_US.utf8 (charmap="UTF-8",collate="UTF-8")

CPU0: Intel(R) Xeon(R) CPU E5506 @ 2.13GHz (4256.1 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 1: Intel(R) Xeon(R) CPU E5506 @ 2.13GHz (4255.9 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 2: Intel(R) Xeon(R) CPU E5506 @ 2.13GHz (4256.0 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 3: Intel(R) Xeon(R) CPU E5506 @ 2.13GHz (4256.1 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 4: Intel(R) Xeon(R) CPU E5506 @ 2.13GHz (4256.0 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 5: Intel(R) Xeon(R) CPU E5506 @ 2.13GHz (4256.1 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 6: Intel(R) Xeon(R) CPU E5506 @ 2.13GHz (4256.0 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

CPU 7: Intel(R) Xeon(R) CPU E5506 @ 2.13GHz (4256.0 bogomips)

Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT,SYSCALL/SYSRET, Intel virtualization

21:44:42 up 3:48, 2 users, load average: 0.19, 0.43, 0.24; runlevel 3

------------------------------------------------------------------------

Benchmark Run: Wed Jul 30 2014 21:44:42 -22:12:14

8 CPUs in system; running 1 parallel copyof tests

Dhrystone 2 using register variables 12114116.1 lps (10.0 s, 7 samples)

Double-Precision Whetstone 2427.0 MWIPS (8.0 s, 7samples)

Execl Throughput 2141.1 lps (30.0 s, 2 samples)

File Copy 1024 bufsize 2000 maxblocks 688694.5 KBps (30.0 s, 2 samples)

File Copy 256 bufsize 500 maxblocks 218516.2 KBps (30.0 s, 2 samples)

File Copy 4096 bufsize 8000 maxblocks 1317519.2 KBps (30.0 s, 2 samples)

Pipe Throughput 1782756.3 lps (10.0 s, 7 samples)

Pipe-based Context Switching 170764.9 lps (10.0 s, 7 samples)

Process Creation 8493.3 lps (30.0 s, 2 samples)

Shell Scripts (1 concurrent) 4612.5 lpm (60.0 s, 2 samples)

Shell Scripts (8 concurrent) 2277.8 lpm (60.0 s, 2 samples)

System Call Overhead 2958948.5 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX

Dhrystone 2 using register variables 116700.0 12114116.1 1038.1

Double-Precision Whetstone 55.0 2427.0 441.3

Execl Throughput 43.0 2141.1 497.9

File Copy 1024 bufsize 2000 maxblocks 3960.0 688694.5 1739.1

File Copy 256 bufsize 500 maxblocks 1655.0 218516.2 1320.3

File Copy 4096 bufsize 8000 maxblocks 5800.0 1317519.2 2271.6

Pipe Throughput 12440.0 1782756.3 1433.1

Pipe-based Context Switching 4000.0 170764.9 426.9

Process Creation 126.0 8493.3 674.1

Shell Scripts (1 concurrent) 42.4 4612.5 1087.9

Shell Scripts (8 concurrent) 6.0 2277.8 3796.3

System Call Overhead 15000.0 2958948.5 1972.6

========

System Benchmarks Index Score 1122.4

------------------------------------------------------------------------

Benchmark Run: Wed Jul 30 2014 22:12:14 -22:39:50

8 CPUs in system; running 8 parallel copiesof tests

Dhrystone 2 using register variables 96804820.8 lps (10.0 s, 7 samples)

Double-Precision Whetstone 17210.6 MWIPS (8.3 s, 7samples)

Execl Throughput 24850.3 lps (29.9 s, 2 samples)

File Copy 1024 bufsize 2000 maxblocks 372899.1 KBps (30.0 s, 2 samples)

File Copy 256 bufsize 500 maxblocks 107051.9 KBps (30.0 s, 2 samples)

File Copy 4096 bufsize 8000 maxblocks 899185.2 KBps (30.0 s, 2 samples)

Pipe Throughput 14107729.1 lps (10.0 s, 7 samples)

Pipe-based Context Switching 3443772.2 lps (10.0 s, 7 samples)

Process Creation 55426.6 lps (30.0 s, 2 samples)

Shell Scripts (1 concurrent) 26969.8 lpm (60.0 s, 2 samples)

Shell Scripts (8 concurrent) 5222.1 lpm (60.0 s, 2 samples)

System Call Overhead 4752771.2 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX

Dhrystone 2 using register variables 116700.0 96804820.8 8295.2

Double-Precision Whetstone 55.0 17210.6 3129.2

Execl Throughput 43.0 24850.3 5779.1

File Copy 1024 bufsize 2000 maxblocks 3960.0 372899.1 941.7

File Copy 256 bufsize 500 maxblocks 1655.0 107051.9 646.8

File Copy 4096 bufsize 8000 maxblocks 5800.0 899185.2 1550.3

Pipe Throughput 12440.0 14107729.1 11340.6

Pipe-based Context Switching 4000.0 3443772.2 8609.4

Process Creation 126.0 55426.6 4398.9

Shell Scripts (1 concurrent) 42.4 26969.8 6360.8

Shell Scripts (8 concurrent) 6.0 5222.1 8703.6

System Call Overhead 15000.0 4752771.2 3168.5

========

System Benchmarks Index Score 3852.0

【Linux知识】server性能测试--UnixBench的更多相关文章

云server 性能测试web压力测试
前言:如今,云server主流.它已成为许多中小型企业的首选server,但是云server它是一个虚拟机.所以性能是一个大问题,从这里开始介绍云server性能测试,云webserver压力测试. ...
[原创]Linux下网络性能测试Netperf工具介绍及安装
[原创]Linux下网络性能测试Netperf工具介绍及安装 1 官方网站 http://www.netperf.org/netperf/ 2 Netperf介绍 Netperf是一种网络性能的测试工 ...
Android系统--输入系统（三）必备Linux知识_双向通信(scoketpair)
Android系统--输入系统(三)必备Linux知识_双向通信(scoketpair) 引入 1. 进程和APP通信创建进程读取.分发 - 进程发送输入事件给APP 进程读取APP回应的事件输 ...
LVS : Linux Virtual Server 负载均衡,集群,高并发,robust
1 LVS : Linux Virtual Server http://www.linuxvirtualserver.org/ http://www.linuxvirtualserver.org/zh ...
Linux netperf网络性能测试
Linux netperf网络性能测试 (2013-10-14 16:07:48) 转载▼ 网络性能测量的五项指标 1．可用性(availability) 测试网络性能的第一步是确定网络是否 ...
Linux知识：/root/.bashrc与/etc/profile的异同
Linux知识:/root/.bashrc与/etc/profile的异同要搞清bashrc与profile的区别,首先要弄明白什么是交互式shell和非交互式shell,什么是login shel ...
[Linux] Ubuntu Server 12.04 LTS 平台上搭建WordPress(Nginx+MySql+PHP) Part II
接着上一节继续搭建我们的LNMP平台,接下来我们安装PHP相关的服务 sudo apt-get install php5-cli php5-cgi php5-fpm php5-mcrypt php5- ...
[Linux] Ubuntu Server 12.04 LTS 平台上搭建WordPress(Nginx+MySQL+PHP) Part IV
接下来我们去下载 WorePress 用最新的 3.7.1 下载地址是:http://cn.wordpress.org/wordpress-3.7.1-zh_CN.zip 我们先建立一个文件夹 /va ...
J2EE程序员应该要掌握的linux知识
J2EE程序员应该要掌握的linux知识大型J2EE应用都在建构在linux环境下的.开发环境下我们可以通过samba映射成本地的网络驱动器,直接在windows环境下进行编程调试.但是最后的发布还 ...

随机推荐

Android Wear之android穿戴式设备应用开发平台
Android Wear于2014年03月19日公布,并有Moto 360和LG watch两款产品. 眼下源代码还没有开放.可是开发人员能够下载它的Image及相应的开发SDK,这样开发人员通过模拟 ...
vmnet1 and vmnet8
在使用VMware Workstation创建虚拟机时.创建的虚拟机中能够包含网卡.你能够依据须要选择使用何种虚拟网卡.从而表明想要连接到那个虚拟交换机.在VMware Workstation中,默认 ...
jquery-11 jquery中的事件切换如何实现
jquery-11 jquery中的事件切换如何实现一.总结一句话总结:事件切换hover()和toggle()函数.参数两个,都是函数,依次执行两个函数. 1.如何实现单击切换图片? 用togg ...
在windows下远程访问linux服务器
在网络性能.安全性.可管理性上,Linux有着其他系统无法比拟的强大优势,而服务器对这些方面要求特别高,因此Linux常常被用来做服务器使用.而当我们需要维护linux服务器的时候,就需要远程访问li ...
[Angular] Ngrx/effects, Action trigger another action
@Injectable() export class LoadUserThreadsEffectService { constructor(private action$: Actions, priv ...
Thrift是一款由Fackbook开发的可伸缩、跨语言的服务开发框架
这段时间,一直在整理公司的内部 rpc 服务接口,面临的一个问题就是:由于公司内部的系统由几个不同的语言编写的.C# ,java,node.js 等,如何实现这些内部系统之间的接口统一调用,确实是比较 ...
RoundingMode 几个参数详解
第一版 java.math.RoundingMode 几个参数详解 java.math.RoundingMode里面有几个参数搞得我有点晕,现以个人理解对其一一进行总结: 为了能更好理解,我们可以画一 ...
给自己的java程序生成API帮助文档
一.问题发现: 课本上提到"要学会给自己编写的程序生成API帮助文档",但又没有说明具体的操作步骤. 二.分析: API帮助文档有什么用?这么理解吧:如果想告诉别人你的类如何使用, ...
毕设三: spark与phoenix集成插入数据/解析json数组
需求:将前些日子采集的评论存储到hbase中思路: 先用fastjson解析评论,然后构造rdd,最后使用spark与phoenix交互,把数据存储到hbase中部分数据: [ { "r ...
详细阐述Web开发中的图片上传问题
Web开发中,图片上传是一种极其常见的功能.但是呢,每次做上传,都花费了不少时间. 一个"小功能"花费我这么多时间,真心不愉快. So,要得认真分析下原因. 1.在最初学习Java ...

【Linux知识】server性能测试--UnixBench

【Linux知识】server性能测试--UnixBench的更多相关文章

随机推荐

热门专题