Use of JMeter easynmon

Jmeter-easyNmon Use

In this paper, Linux Environment , How to use easyNmon Monitor the server CPU、 Memory 、 network card 、 Read / write rate, etc .

One 、EasyNmon Download and install

1. download

easyNmon： An automatic monitor and generate HTML Tools for formatting reports .
easyNmon download Extraction code ：jz2l
Find the version you need , What I use here is 1.3 edition .

2. install

Once the download is complete , copy to Linux Server , Use the command to unzip

tar -zxf easyNmon.tar.gz

3. start-up

After decompression , Open folder easyNmon, Start... With the following command ：（ Choose your own way ）

./easyNmon  # The front desk starts , Console disconnect service stop 
./easyNmon &  # Background start , The console disconnect service also stops 
nohup ./easyNmon > easyNmon.log &  # Background start , The console disconnect service is still running 

 stay easyNmon Under the table of contents , Input  ./easyNmon -h  Check out the information 

Get into easyNmon Directory , There will be four files

report The test report is stored in the .

4. Modify the port

The default port is 9999, If you need to modify the access web Address port of the page , You need to modify it yourself , The order is

./easyNmon -p  Port number 

./easyNmon -p 1234  # The front desk starts , Console disconnect service stop 
./easyNmon -p 1234 &  # Background start , The console disconnect service also stops 
nohup ./easyNmon -p 1234 > easyNmon.log &  # Background start , The console disconnect service is still running 

nohup ./easyNmon &		# start-up 

Two 、Jmeter Set up

1. Set up thread group

setUp Thread Group and tearDown Thread Group

Set up a controller that executes only once in the thread group ：

Add startup easyNmon Request ：

Parameters n File name for generating report ,
Parameters t For monitoring duration ( Units of minutes ),
Parameters f For monitoring frequency , Every how many seconds ;

Add stop easyNmon Request ：

Be careful ： Stop is not the end , Adjusted Close The service will be shut down , You need to turn it on again .

Opening method ：

1. open easyNmon Catalog , Enter and execute ：

./easyNmon
./nmon

2. Start and execute jmeter Script
   perform jmeter Script time , Because you call start first easyNmon service , Will be in easyNmon See the following prompt in the directory , There will also be stop A hint of .
   
3. If there are no steps 2 Tips in , close jmeter Script , Repeat the steps 1 The instructions in , Turn it on again easyNmon service .

report Middle Report ：

open index.html You can view the results

Be careful ：

1. If jmeter The client connects to the server remotely , You can't generate report When testing the report , Be careful easyNmon Start the configuration of desired parameters , Before, you only need to configure n、t, Now you need to configure n、t、f.
2. The server time should be adjusted to be consistent with the actual time .

   1.  Check the time and date 
    command  ： "date"
   2. Set time and date 
    for example ： Set the system date to 2021 year 5 month 19 The order of the day 
    command  ： "date -s 5/19/2009"
    Set the system time to afternoon 5 spot 55 branch 55 Second command 
    command  ： "date -s 17:55:55"
   3.  Write the current time and date to BIOS, Avoid failure after restart 
    command  ： "hwclock -w"
   

3. The remote connection cannot be made to easyNmon, Check that the server firewall is turned off .

   su root, press return , Input password , That is, you can switch the current user to root user .
   systemctl stop firewalld, press return , Will turn off the firewall service .
   systemctl status firewalld, press return , You can see that the anti-inflammatory wall service has been turned off .