Tag：Physics
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Time：2021-9-18
Command introduction The SAR command is used to comprehensively obtain the performance data of the system, such as CPU, run queue, disk I / O, paging (swap area), memory, CPU interrupt and network. Syntax format sar -[ options ] time_interval number_of_tines_to_display Option description -A # Summarize all reports -a # View file read / write usage -B # View the […]
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Time：2021-9-2
Because of the huge benefits of the first mine, it has attracted more and more people’s attention to BZZ“ V God platform “,” very short return cycle “and other factors make many people plunge in when their heads are hot! Mining machine docking aacd314 Now the market is really bustling. People from large platforms and […]
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Time：2021-9-1
Because of the huge benefits of the first mine, it has attracted more and more people’s attention to BZZ“ V God platform “,” very short return cycle “and other factors make many people plunge in when their heads are hot! Mining machine docking aacd314 Now the market is really bustling. People from large platforms and […]
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Time：2021-8-26
By Darren_ WenLink:https://blog.51cto.com/wendas…This paper introduces the principle and practice of Linux memory mechanism, virtual memory swap, buffer / cache release and so on. 1、 What is the memory mechanism of Linux? We know that reading and writing data directly from physical memory is much faster than reading and writing data from hard disk. Therefore, we […]
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Time：2021-8-24
Because of the huge benefits of the first mine, it has attracted more and more people’s attention to BZZ“ V God platform “,” very short return cycle “and other factors make many people plunge in when their heads are hot! Now the market is really bustling. People from large platforms and small workshops come to […]
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Time：2021-8-23
Because of the huge benefits of the first mine, it has attracted more and more people’s attention to BZZ“ V God platform “,” very short return cycle “and other factors make many people plunge in when their heads are hot! Now the market is really bustling. People from large platforms and small workshops come to […]
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Time：2021-8-18
Cluster configuration: Physical machine P1: controller Physical machine P2: agent1, datanode1, datanode2 Physical machine P3: agent2, datanode3, datanode4 In the controller.cfg file: dfsReplicationFactor=2 //Indicates that there are two copies dfsReplicaReliabilityLever=1 //Shows that different copies must be written to different physical machines The cluster control web interface is as follows: All nodes start normally. Execute the […]
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Time：2021-8-16
preface Operating system is a difficult course to learn. At the same time, operating system knowledge is very important for developers. I believe that when you learn the operating system, there are too many abstract words and concepts that are difficult to understand, which directly dissuade us. Even if you learn the operating system with […]
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Time：2021-8-15
Introduction:Network diagnostic tool srecli net 1. Background Sre operation and maintenance team is committed to improving the production efficiency of operation and maintenance through automation, promoting the iterative transformation to intelligent operation and maintenance, and solving the pain points of traditional operation and maintenance. Although the traditional operation and maintenance has a complete operation and […]
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Time：2021-7-28
Swarm mining FAQs Q1: what is swarm? Similar to IPFs / filecoin, swarm is also a distributed data storage system. What it wants to build is a point-to-point storage and service solution with no downtime, zero failure and anti censorship. At the same time, swarm can also be said to be an official part of […]
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Time：2021-7-25
Article source: https://mp.weixin.qq.com/s/-kleYkSYFb39WcWR_ QRrvw Summary of methods for querying the memory occupied by processes under Linux. Suppose there is a “PHP CGI” process with a process ID of “25282”. Now you want to query the memory occupied by the process. There are many tools for viewing under the Linux command line. Now we summarize several […]
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Time：2021-7-17
Because of the huge interests of toukuang, more and more people pay attention to BZZ“ V God platform “,” extremely short back to this cycle “and other factors make a lot of people jump in when their heads are hot! Mining machine docking aacd314 Now the market is really bustling. Big platforms and small workshops […]
