.
Install complete immediately test:
Copy Code code as follows:
[ROOT@BEANVM sysbench-0.4.12]# Sysbench
Sysbench:error while loading shared libraries:libmysqlclient.so.18:cannot open Shared object file:no such file or dire Ctory
Said is missing libmysqlclient.so.18 file, the amount, this file is present, need to manually link:
Copy Code code as follows:
[ROOT@BEANVM ~]# ls-l/usr/local/mysql/lib/libmysqlclien
improve reliability and performance.
CPU composition is a common test site, the CPU is mainly composed of the memory, controller, register group and internal bus.
1. Timer
Before reading the preceding figure, you must understand the basic abbreviations, even if you do not know the abbreviations. At least you need to know that "A" in ALU and AC is the meaning of
Symptom: A CPU for the Intel Celeron 2.0GHz of the computer, the previous one really used normally, the most recent post on the self-test when the frequency of the CPU turned to the L GHz, and "Defaults CMOS Setup Loaded" prompted information; After entering the CMOS set of CPU parameters, the system normally shows the
Let's start with a little analysis of the test environment: we know that CPU and memory consumption is a real-time change, and no specific Android app on the market can monitor CPU and memory consumption in real time and use log logs to save. Considering that Android's underlying framework is a Linux -based platform, we can monitor the Android platform's resource
A debian is installed with cubieboard, and a wordpress site is set up, but the access speed is quite slow (on the LAN, the network speed factor can be ignored), but the public network server (centos) is used) opening speed is quite fast, and it is suspected that it is a cpu problem (cubieboard is an arm platform... A debian is installed with cubieboard, and a wordpress site is set up, but the access speed is quite slow (on the LAN, the network speed f
Tags: end ORC step Installation tutorial proc IPY Post Network flagsThis is the second part of the Caffe Beginner series , designed to help more students who are interested in deep learning! The first section can refer to the following address:Caffe Beginner First: Detailed procedure for installing Caffe (CPU) +python on Ubuntu14.04 (pro-Test success, 20180524 update)OK, let's start our tutorial!Objective:B
first, high CPU test 1. Sample Code Static voidMain (string[] args) {console.clear (); Console.WriteLine ("to the command line, switch to the WinDbg directory, and execute ADPLUS-HANG-PN highcpu.exe-o c:\\dumps"); Console.WriteLine ("If you want to stop, press CTRL + C to end the program"); Console.WriteLine ("===================================================="); while(true) {console
I think many of my friends will find that their mysql occupies a large amount of internal and cpu resources. To solve this problem, most of us will directly reduce the number of mysql accesses and connections and directly generate static or cache files, below I have more ways to solve mysql's high CPU and memory usage.
In order to install the mysql environment for testing, after installation, it is found th
I accidentally saw an article on the 51 homepage about "creating CPU load or pressure through command line". I thought it was good to record it first and make notes for future use!It is very simple, just a command:# Cat/dev/urandom | md5sumThen through top observation, the CPU value is really high, indicating that the test is successful!Graph and truth ^_^650) Th
Test and solution for high memory usage and high CPU usage of MySQL.
The changes are as follows:
Innodb_buffer_pool_size = 576 M-> 256 M InnoDB Engine Buffer occupies a large proportion, the first is to use it to open the knifeQuery_cache_size = 100 M-> 16 M query CacheTmp_table_size = 102 M-> 64 M temporary table sizeKey_buffer_size = 256 m-> 32 M
After the mysql service is restarted, the virtual memory is
)#perform the test process multiple times defRun (self): whileSelf.counter >0:self.testprocess () self.counter= Self.counter-1Time.sleep (3) #gets the current timestamp defGetCurrentTime (self): CurrentTime= Time.strftime ("%y-%m-%d%h:%m:%s", Time.localtime ())returncurrenttime#Storage of Data defsavedatatocsv (self): CSVFile= File ('Cpustatus.csv','WB') Writer=Csv.writer (csvfile) writer.writerows (self.alldata) csvfile.close ()if __name_
Calculation of the following series of mathematical calculations can be performed too few times in 1s.#include "stdio.h" #include "time.h" int i, J, L, K, m, jj;jj = 2342;k = 31455;l = 16452;m = 9823;i = 1000000;void Main () {I NT Warp_count = 0;int max_warp = 1000;long int count = 0;time_t b_second,l_second;time_t rawtime;struct TM * Timeinfo;whil E (1) {B_second = time (null); L_second = B_second+1;while ((b_second=time (null)) CPU Compute Performan
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