redis distributed lock

Redis is used as the cache in the project and memcache is not yet used. There are two main considerations: redis's rich data structure, its hash, list, set, and Strin with rich functions Redis is used as the cache in the project and memcache is not yet used. There are two main considerations: redis's rich data structure, its hash, list, set, and Strin with rich functions In brief, writing this article

In the whole supply chain system, there will be many kinds of documents (purchase orders, warehousing orders, delivery orders, waybill, etc.), in the interface to write the document data (increase the deletion operation), even if the front-end to do the relevant restrictions, or it is possible because the network or abnormal operation generated concurrent repeated calls, resulting in the same document to do the same To prevent this from happening to the system, we implement a simple document

Reprint please indicate the source: http://blog.csdn.net/l1028386804/article/details/73523810 Recently because the work is very busy, very long time did not update the blog, today for everyone to bring an article on the implementation of distributed lock Redisson, well, not much said, directly into the subject. 1. Reentrant Lock (reentrant

To develop a distributed environment mutex lock Based on zookeeper, first abstract the lock function:Public interface lock { /Try to get the lock, return true if success or false immediately// Return true if this machine already hold the

Today, when looking for a common table, there is a ORA-01591 error prompt, found the problem point on the internet, ORA-01591 errors are described as follows: Error: ORA 1591 Text: lock held by in-doubt distributed transaction The above description is a description of the error in MOS. Of course, there may be many reasons for this error, and

session_set.php and session_get.php to set, get the session value, we test it.session_set.phpsession_get.phpTest: Access session_set.php firstTake a look at the Redis database:Then visit session_get.phpAfter testing, different tabs can be obtained to username, which means that they can be accessed across pages. Here we can implement Nginx+php+redis session sharing. share a Java version, we learn togeth

In brief, writing this article is a summary of your recent work. I hope it will be helpful and a little bit of accumulation. I. Why redis? Redis is used as the cache in the project and memcache is not yet used. There are two main considerations: 1. Support for redis's rich data structures, its hash, list, set, and function-rich strings can be of great help to actual projects. (Refer to

1, these two days to study Redis to engage in distributed session problem, Online find the information are used Servicestack.redis to achieve, but in the performance test found the latest V4 version has a limit of up to 6,000 times per child, because the official website began commercialization to charge, good pit dad said, fortunately I got a performance test in the early days, otherwise the problem after

The distributed architecture is truly suitable for large-scale Internet projects! Dubbo + zookeeper + springmvc + mybatis + shiro + redis, dubbozookeeper Platform Introduction Jeesz is a distributed framework that provides the idea of Project modularization, servitization, and hot swapping, and highly encapsulated and secure Java EE rapid development platform. Je

, compileCD redis-4.0. 9 // Compilation Note: It is possible to pack the wrong malloc=libc without adding aMake MALLOC=LIBCInstalling Redis// default installation to/usr/local/bin/make installStart Redis// go to Bin directory cd/usr/local/bin/// start Redis service Redis-ser

In a distributed system, if a different system or different hosts of the same system share one or a group of resources, access to these resources often requires mutual exclusion to prevent interference with each other, in order to ensure consistency, in this case, you need to use the distributed lockFor example, there are n servers to modify a file, how to ensure that the text will not be confused, this is

Author: Liu Xuhui Raymond reprinted. Please indicate the source Email: colorant at 163.com Blog: http://blog.csdn.net/colorant/ More paper Reading Note http://blog.csdn.net/colorant/article/details/8256145 Keywords Chubby, paxos,Distributed Lock Service =Target question = Provides a coarse-grained lock service for distrib