Step one: Use the top command to see how CPU is being consumed by the process and get the PID
Top
You can see from the diagram that the CPU consumes up to 46.5% of the process ID is 16243
Step two: Use the Top-h-P command to get the process thread
Today upgraded my Ubuntu system, after the upgrade obviously found the system cotton, top view, there is a/usr/bin/baloo_file always use a lot of CPU. Check it out because the new version of KDE introduced the/usr/bin/baloo_file cause.The quick fix
first, how to see the stability of the CPU
Use hardware detection tools, such as 360 hardware master software! This software can be automatically scanned, CPU problems, hard disk temperature and other information, we can clearly see which hardware
But how can we find out which SQL statement has been executed for a long time? You can refer to the MySQL Slow Log for details.First, find the MySQL configuration file my. cnf. The configuration for enabling slow queries varies with mysql
Query the SQL information of oracle processes that occupy the CPU 1: first, use the TOP command to pass the SPID number pid username thr pri nice size res state time cpu COMMAND3575 oracle 1 12 0 0 K 0 K run 748.6 H 24.98% oracle3571 oracle 1 22 0 0
Today landed a colleague of the gateway began to think that the hive environment can not landing, a closer look at the next is because the machine is very card, I have to wait a few seconds without landing on the CTRL + C, see the next is a Java
In the afternoon, a colleague said that a Linux testing server was very slow and seriously affected the work.
Log on to the server and use the top command to check whether the Oracle process accounts for 100% of the CPU.
The following steps are used
Everyone knows ASP. NET Website application (website) can automatically detect your asp. NET application file modification, which is used to monitor changes to files/directories on the disk, the filesystemwatcher class allows the application to take
Recently, we have been dealing with database data transmission problems. The data transmitted every day is about 40 w-50w. SQL services often occupy 1.7 GB of CPU memory. Fortunately, the data servers are 8-16 cores. I found an element code on the
Use the showfullprocesslist statement. The following statement is always running: Running & #39; post & #39; AND (wp_posts.post_status & #39; publish & #39;) ORDERBYwp_posts.post_dateDESCLIMIT0, 15. as a result, the cpu has been around 200%
Description: The server load is very high, top of the first few fuser process.
Search the Internet for a https://bugs.launchpad.net/ubuntu/+source/php5/+bug/876387.
The suggestion is to put this
09,39 * * * * root [ -x /usr/lib/php5/maxlifetime ] &&
Now there is a project on hand that runs a website in an embedded device with a Linux system.
The CPU of the device is RAM structure, single core, 1GB.
We set up a apache+mysql+php in the system and then write a website that runs inside. It feels a
The program is written by PHP a websocket server, the client is connected to send messages continuously, the service side is responsible for responding to requests.
Tested: Once per request of client, server PHP consumes time of Microsecs to
After returning home these days, I re-installed the system, but I found that httpd.exe occupies 100% of the CPU resources in the commonly used apmservers.
I checked the website for a long time and did not find a proper solution.
In this case, the
In general, IIS is used in WinNT systems, while Apache has many applications in Linux, but many people still use Apache rather than IIS in WinNT systems, it may be based on familiarity with Windows systems. Today, we will discuss how to optimize
Server environment Liunx AS4 + PHP5 + Mysql5 + Apache 2
Utility TOP Command queries system performance to find CPU often reaches 100%
started to think it was a DDoS attack ... Firewall installed (not working)
is starting to look for a system
In general, the CPU utilization rate is high our computer will slow down, and many times we always wonder why, this article briefly summed up its suspect and solution, and then encountered this situation when we can make a little change can be
What file is Commonua.exe? View Task Manager found two commonua.exe files, one commonua.exe, one commonUA.exe. Two CPU to occupy nearly 100% (one occupies 50%, one occupies about 47%), the card is not!
After receiving the user's questions and
Using Tomcat as a Java container, the CPU occupies a high reason, the current company server running on the Ubuntu environment Nginx+tomcat+mysql run for some time after the Java process CPU high, will appear the site can not open the situation. So
Tomcat uses 80 ports on the computer.When the client accesses it, it establishes a connection with the 80 port on the server side.Now you're doing stress tests. When multiple users visit, the server side of the 80 port will be always connected to
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