Programmer Think

NEO400J Level Full-Text Index Construction Optimization 1. Scale of data volume (level 100 million) 2. Ways to Build Indexes 3. Exceptions Occurring in Index Building IV. Code optimization for full-text index 1,Java.lang.OutOfMemoryError 2. When accessing a database 3. Optimizing scheme 4. Optimize Code 5. Perform efficiency ...

A orm database Flutter plugin. I posted an article earlier. Hand-in-Hand Teaching You Elegant Use of ORM Database in Flutter Project Many people also put forward some valuable suggestions on consulting and using, saying that they do not want to write lua, which is not elegant enough, but also increases the cost of learning. On reflection, it is ...

Redis Learning Cluster Preface In the first place, we learned the basic operation of Redis, the use of Jedis and the persistence scheme of Redis. Next, we learned the cluster management of Redis. copy When data is stored on a server, if the server hangs up, the data will be lost, so Redis provides the function of replicati ...

kubernetes event reflector kubernetes event reflector ListWatcher interface ListWatch Implementing ListWatcher Interface Informer using ListWatch Reflector Reflector type definition Functions to create Reflector objects Run() method ListAndWatch() method controller using Reflector Run() method processLoop() metho ...

cause We always use redis of Aliyun. We are not a high concurrent application. We mainly use redis as distributed locks and a small amount of caches. It hardly needs maintenance. Yesterday afternoon, we suddenly received an alarm email. On-line redis memory is used 100% and instantaneous nerve tension sensation is confirmed by console.This is a ...

Label PostgreSQL , Heap Only Tuple , HOT background PostgreSQL's current default storage engine generates a new version in the heap when updating records. The old version needs to recycle all index POINT associated with this version before it needs to recycle the old version after VACUUM is used. The KEY of the index of PG is the value of th ...

image.png The thinkphp framework is a free, open source, fast and simple object-oriented lightweight PHP development framework. Learn what is ThinkPHP overview, the directory structure of ThinkPHP projects, the controller of thinkphp, views, the process of building ThinkPHP projects, the configuration of thinkphp, the model o ...