process (process ID number 26502) to the 5th CPU core (The CPU core number is calculated from 0, so serial number 4 refers to the 5th CPU core)
# TASKSET-CP 5 26531
PID 26531 ' s current affinity list:0-7
PID 26531 ' s new affinity List:5
From the view above
The display cpu-usage command is used to view statistics about the CPU utilization of the device and the CPU utilization of each process.Each process is described in detail below, with different software versions, boxed and boxed CPU processes slightly different, detailed in
Solve the technical notes bitsCN.com for a MySQL server process CPU usage of 100%
Description of mysql cpu usage by 100%In the morning, I helped a friend solve the Mysql cpu usage problem of 100%. I sorted it out and recorded the experience in this article.
Recently, the CPU
monitor output voltage and current exceed rated value, IC through feedback circuit feedback back to adjust the internal control circuit, control Q1 and Q2 duty ratio, always keep output constant voltage and current supply CPU.
Maintenance process
The first manifestation of the failure is that the CPU core voltage (VCore) is not normal. And there are two things
Description of mysql cpu usage by 100%In the morning, I helped a friend solve the Mysql cpu usage problem of 100%. I sorted it out and recorded the experience in this article.
Recently, the CPU usage of MYSQL service process (mysqld-nt.exe) on a friend host (Windows 2003 + IIS + PHP + MySQL) is 100%
This article primarily records the Tomcat process, which causes the CPU to take up too high a number of problems with TCP connections. Problem Description
Under Linux, a Tomcat Web service has a very high CPU footprint and the top display results over 200%. The request canno
problem (p.s.) Under what circumstances? Flag has multiple, or an array, this time only through the logical means to solve the problem, more than a few idling do not matter, do not have a fatal problem on the line, because the CPU only one, while access to this flag bit can only have one thread, and multi-core case is not the same, So only volatile is not very able to solve the problem, it is necessary to use specific language, the specific environme
Tags: Display opera shared environment system process help. com Sep NTAProcess CPU resource allocation refers to the priority of the process. High priority processes have priority rights to implementation. Configuring process precedence is useful for Linux in multitasking en
exactly which process is executing on which CPU, and which process is causing the iowait to be very high.
Look at man top and finally find a way:
After the top is executed, press F, Press J, and then press the space to exit, so that a column of #c appears and you can see which C
Friend Host (Windows 2003 + IIS + PHP + MySQL) recently the MYSQL service process (Mysqld-nt.exe) CPU occupancy rate of total 100% high. This host has 10 or so database, respectively, to 10 web site calls. According to a friend test, resulting in Mysqld-nt.exe CPU consumption is a very
In actual development, it is found that sometimes the usage of self-developed programs is very high, which affects the normal operation of other programs on the machine. What should we do at this time?
The first thing to think of is that the best solution is to find the thread with the most CPU usage in the process (how to find the thread with the most
Blog go to: HTTP://WWW.JIANSHU.COM/P/3667157D63BB, blog better effect to see the original, the purpose of this blog post is a bookmark it, need to be able to locate the original text learning 1, fault phenomenonCustomer Service colleague Feedback platform system runs slowly, the webpage is serious, the problem persists after restarting the system several times, using the top command to view the server situation, found that the CPU occupancy rate is to
bits formed, but by depositing the segment selector in the segment register (also called segment selector, segment selector), Then find the GDT or the LDT to get the base address and segment bounds of the segment and attributes, and so on-to avoid each memory access to the above process, in the internal processor specifically for each segment configured a 76-bit high-speed buffer register, called the Segme
The utilization of the multiprocessing process on a multi-CPU machine. And then wrote a script in i5 (4 cores), up 4 processes, found that only one CPU ran relatively high, and then feel not very comfortable.Specify a CPU to execute a pr
Tag: CPU core is runningThe affinity of Cpu/memory is one of the most important factors for maximizing performance when you run HPC (High performance computing) programs that require higher performance on multicore NUMA processors or programs that consume network resources very well. Scheduling the most relevant processes on the same NUMA node can reduce slow rem
1: Check the system
Sar-U 5 5
2: check who is using the CPU
Topas
PS-Ef | grep ora # Check the size of column 4 C (unit, 100 per CPU)
3: Check the number of CPUs
/Usr/sbin/bindprocessor-Q
Lsattr El proc0
4: two possibilities:
1: A Background (Instance) Process
2: An Oracle (User) process # This is the largest pos
527814231, fault phenomenonCustomer Service colleague Feedback platform system runs slowly, the webpage is serious, the problem persists after restarting the system several times, using the top command to view the server situation, found that the CPU occupancy rate is too high.2, high CPU consumption problem location 2
deteriorate.Therefore, we recommend that users upgrade the failed server to 64GB memory, which remains the same as the other server. Because we are providing public cloud service, configuration upgrade that is quite fast! After upgrading the number of connections, memory usage and other indicators are very close to the user also no longer encounter the problem of open page. It seems like the end of the matter here.However, in the afternoon, the customer's website visits a lot larger than the mo
We often set up a game server in the new service, sometimes we have to do a pressure test, so how to see, generally we will use the top command to see the CPU and memory consumption of each process, to obtain our process ID, Then we might look at each thread ID in the Pstack command and what the corresponding thread is doing today, analyzing multiple sets of data
After running top, press 1 to view the busy status of each CPU and IOWAIT. However, I want to see which process is executed on which CPU, and which process causes high IOWAIT. Take a closer look at mantop and finally find the method: after top is executed, press f, Press j,
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