I want to cache some data according to the user s user name. The code is as follows @CachePut(key = "-sharpuser.userName", value = "loginList") public String generateToken(User user) { HashMap<String, Object> map = new H...
I recorded the token, timeout when I logged in, as shown in the following figure: is there any way to set the expiration time for one of these key,? Or delete the data automatically when it expires? If you can t set the expiration time, do you jus...
___ _ __ _ _(_)_ __ __ _ ( ( ) ___ | _ | _| | _ _` | ___)| |_)| | | | | || (_| | ) ) ) ) |____| .__|_| |_|_| |_ __, | =========|_|==============|___ = _ _ _ :: Spring Boot :: ...
php adds redis cache to the page, and it has a life cycle. It has been used for a month and found that the memory is almost full. How to deal with it? What is the impact of clearing memory directly? What s the safest thing to do? Thank you! ...
The asynchronous redis client in the swoole document reads as follows: < H1 > swoole_redis- > _ _ call < H1 > Magic method, the method name is mapped to the Redis instruction, and the parameter is used as the parameter of the Redis instruction. $re...
lettuce says something like this: "Lettuce is a scalable, thread-safe Redis client that supports Synchronize, asynchronous, and responsive modes. " Multiple threads can share a connection instance without having to worry about multithreading concurrency...
bidding projects use the GatewayWorker framework and redis, within 10 seconds of the countdown, the customer is below the guaranteed price, blocking the deal! My idea is to plug a robot when multiple normal users compete for bids, how to control this cou...
when you use spring-data-redis to integrate redis, in a spring project and operate on redis through RedisTemplate, you want to package some operations of multiple redistemplate so that other Redis operations may not be inserted. public class Test { @R...
the key name is too long, and the performance is not good. Everyone says that it is too short to memorize and read. I looked at the longest key I used. Is it long? How much does it affect performance? How to evaluate it? Is how to test performance? ...
I know that a single operation of redis is atomic, and multiple operations on redis in the code will not guarantee the atomicity of the entire operation flow. for example, in the following code, assuming that the value of nums key is 50 and 1000 visit...
laravel version: 5.5.36 redis version: 3.06 when I refer to predis in a laravel project, I have no problem in the local windows environment, but I have a problem in the production environment. my code is as follows: public function getPhoneCode(...
how do you understand that python uses for in to subscribe to messages? I used to work on the front end, and event subscriptions are written in this way, which is easy to understand. eventBus.on( close , function(e){ console.log(e) }) recently, I...
background: a set of app keys , fixed dividends and my assets . Each user can only create a maximum of 5 pairs of keys. Each user can participate in a fixed dividend (a current deposit similar to Yu e Bao). My assets need to return the values of t...
with tens of thousands of participants and about 1000 concurrent voting systems, which configuration should be selected for the CVM for storage with mysql,? What about the bandwidth? More than big data should be used for mysql or mariadb (because there i...
for example, redis? is recommended in many documents. What are the advantages and disadvantages of the two? ...
1. Number of users: about 5w 2. Business requirements: 5 3. Problems encountered: mysql redis ...
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I haven t used redis, before and ask everyone to give me a good plan requirements are as follows: redis maintains the serial number of the game vote. Before inserting the redis, you need to determine whether the serial number exists, and cannot inse...
RedisTemplate has been configured @Bean public RedisTemplate redisTemplateInit() { Key redisTemplate.setKeySerializer(new StringRedisSerializer()); Value redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer()); ...
how many physical machines can the RT,redis cluster support, and what is the system limit? ...
what s the use of a beginner react-native who doesn t quite understand why this file is opened when starting? ...
if I have a mongodb sharding cluster, I want to add incremental update query optimization (java writing, as middleware) on the shard, can I send the query request from the Mongose side, and wait for the data on the shard after being processed by the jav...
how do I load a finished monitor on rich text content? In order to obtain the height of the wxparser tag and so on. At present, images are the most used, but bindload is not found in the image tag, so how do you monitor the completion of image loading? ...
datatour[0]children[0]value :http: nbdm.net vue.html: ...
Why can t you render like this? you can t control the modal pop-up ....