CXP optical module is another high-speed optical module in the 100G optical module market. It is mainly used in the 100G market to meet the high-density needs of data centers. It is usually used wi
Category: Architecture
Architectural design is the product of people’s subjective mapping of elements within a structure and the relationships between elements. Architecture design is a series of related abstract patterns used to guide the design of various aspects of large software systems. The architect’s job responsibility is to transform the customer’s needs into a standardized development plan and text during the development of a software project, and to formulate the overall structure of the project, and guide the entire development team to complete the plan. Architecture design is the early stage of the software design process, which connects the requirements analysis and the design process. The main task of an architect is not to write specific software programs, but to engage in higher-level development and architecture work. He must have a good understanding of development technology, and he needs to have good organizational and management skills.
HeartBeat Realizes Nginx High Available
Introduction Heartbeat is a well-known HA project. After 3.0, Heartbeat was split into two independent projects, Heartbeat and Pacemaker. Pacemaker uses Corosync as the message layer in subsequent
Performance – Data Structure: Tree similar to Wikipedia
I am currently developing an ontology, a Web hierarchy of all categories (thinking people, places, things). The finished product should allow me to download from Technology-> Computers-> Laptops->
Have some money for your future
To be Spend some money in your future 1.Free , What is waived is money, and what is paid is time and efficiency cost I went to a training a while ago. The organizer is a very, very good friend of
Retrieve the value of the shaft tag in ggPlot2_3.0.0
How to extract the numbers used to mark the y-axis and x-axis in the following ggplot (20, 30, 40 and 10, 15, 20, 25, 30, 35)?
Plot
From r-statistics.co
Reproducible code
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Does PHP replicates variables when retrieving from shared memory?
If I run shm_get_var(), it will return a “reference” to save the data in shared memory?
I want to keep an array of about 50MB in shared memory so that it can be used by multiple processes wit
Full-text search Django: MySQL is not so bad? (vs Sphinx, Xapian)
I am studying django’s full-text search engine.
It must be easy to install, fast indexing, fast index update, no blocking during indexing, fast search.
After reading a lot of web pages, I in
How to retrieve all previous builds of Jenkins jobs through the API?
I am building a python script to extract historical data for the Jenkins job. I have successfully used the Requests library to retrieve the json output, enter the data frame and report it.
I
HeartBeat theory introduction
Heartbeat theory introduction
1. Heartbeat function
Through heartbeat, resources (IP, program services and other resources ) Quickly transfer from a failed computer to another normally
Configure system memory capacity
These kernel parameters may help improve the memory utilization of the system. These parameters are temporarily set for testing purposes by changing the values of the corresponding files in the /