first of all, I intend to learn in depth about distributed related content, including spark,Hadoop cloud computing, as well as load balancing and service-oriented, to conduct in-depth and systematic learning. Of course, some aspects are familiar with an...
as a rookie, recently, when I learned about distributed consistency-related solutions, I found a very painful problem. Many places say that 2pc and 3PC are used, but there are still many problems with two-phase commit. Since this is the case, why do many...
currently, when doing micro services, spring cloud, uses ribbon for load balancing; and dubbo itself also implements load balancing; but nginx; is still used in the actual production environment. What s the difference between them? Since dubbo and sp...
the druid configuration I know is configured on a service if mysql is installed on a machine when we connect with a connection pool according to https: blog.csdn.net w059805. the size formula of the connection pool is: number of connections = ((...
but I wonder if I can use a thread pool. Like fixedthreadpool. To limit the number of threads to control the number of visits if the number of visits exceeds the limit of the number of threads, refuse directly. Can you control the number of visits ?...
Why does the above figure emphasize that "after the only participant who received the commit message is dead ", even if a new coordinator is elected, the transaction status cannot be determined personal total feeling: suppose there are three part...
recently, I have been reading the principle and practice of distributed consistency from Paxos to zookeeper. There is one thing I don t understand about CAP on page 12: I may have a big problem with my understanding of the first paragraph in the p...
[solution] add to the front-end code as prompted by Derek_Chen <meta charset="gbk"> The display is normal after ! < hr > [problems encountered] attempted to receive the uploaded file using PHP, and the file was received succes...
< H1 > problem description < H1 > I installed CDH6, on three virtual machines to install agent in the web interface, waiting for the newly installed Agent detection signal. This step waited for about 1 minute, prompting the following error: Agent ...
< H2 > 1. Question scenario: < H2 > Today, I encountered a complicated problem when writing code. After simplification, I summarized it as follows: example: now we have encapsulated two function interfaces, the timeout delay function and the output f...
after setting the click event of view in adapter, if you jump to a different activity? ...
this is an interview question from Tencent. Ask the great god to answer it. the description of the topic may not be very careful before, so talk about the whole topic in detail: Job title: web front-end development question: there is an html doc...