In addition to Weibo, there is also WeChat
Please pay attention
WeChat public account
Shulou
2025-01-17 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
Share
Shulou(Shulou.com)06/01 Report--
How to use redis cluster lock? This problem may be often seen in our daily study or work. I hope you can gain a lot from this question. The following is the reference content that the editor brings to you, let's take a look at it!
If it is a stand-alone environment, the concurrency problem can be directly implemented with synchronized or Lock provided by java, while when it comes to a multi-process environment, we need to rely on a third-party system to provide locking mechanism.
Redis, as a caching middleware system, can provide this distributed (cluster) locking mechanism, whose essence is to occupy a pit in the redis. When other processes are about to occupy the pit and find that it has been occupied, just wait to try again later.
In java, we usually use this:
Boolean result = jedis.setnx ("lock-key", String.valueOf (System.currentTimeMillis () = = 1L political if (result) {try {/ / do something} finally {jedis.del ("lock-key");}} Thank you for reading! After reading the above, do you have a general idea of how to use redis cluster locks? I hope the content of the article will be helpful to all of you. If you want to know more about the relevant articles, you are welcome to follow the industry information channel.
Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.
Views: 0
*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.
Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope
"Every 5-10 years, there's a rare product, a really special, very unusual product that's the most un
© 2024 shulou.com SLNews company. All rights reserved.