Tag:a backlog

  • Apache rocketmq message governance practice

    Time:2022-2-16

    Introduction: through the sharing of rocketmq governance practice in Himalaya, this paper allows you to understand the problems that may be encountered in the process of using message oriented middleware, so as to avoid stepping on the pit in actual combat. Author: Cao Rong, from Himalaya, engaged in the development of micro service and message […]

  • Generation and resolution of a stormoom exception

    Time:2022-1-16

    Recently, a new project has started. The project uses rabbitmq to store and collect data, calculates the data in rabbitmq in real time through storm, stores the results in another queue of rabbitmq, and then another storm service saves the results in elasticsearch for storage, so as to realize the real-time calculation and storage of […]

  • How to deal with Kafka cluster message backlog in big data development

    Time:2021-11-29

    Usually, enterprises will adopt polling or random methods to produce data to Kafka cluster through Kafka producer, so as to ensure that the data between kafk partitions is evenly distributed as far as possible.On the premise of uniform distribution of partition data, if we design a reasonable number of Kafka partitions according to the amount […]

  • A memory fragmentation analysis of an E-Commerce Oriented crawler on. Net

    Time:2021-11-5

    1: Background 1. Tell a story Last month, a friend Wx came to me and said that there was a memory leak in his program. How to solve it? As shown in the figure below: As can be seen from the screenshot, this friend is still familiar with the operation of WinDbg. He may lack […]

  • How to ensure double write consistency between cache and database?

    Time:2021-6-29

    Please raise your head, my princess, or the crown will fall. Distributed cache is an essential component in many distributed applications. However, if you use distributed cache, it may involve double storage and double write of cache and database. As long as you use double write, there will be data consistency problem. So how do […]

  • Analysis and solution of pulsar storage space not released

    Time:2021-6-11

    This article is reproduced from the official account No. StreamCloudNative, author Xue Song, who has been granted permission by the author. About Apache pulsar Apache pulsar is the top project of Apache Software Foundation. It is the next generation of cloud native distributed message flow platform. It integrates message, storage and lightweight functional computing. It […]

  • How to ensure double write consistency between cache and database?

    Time:2021-2-26

    Please raise your head, my princess, or the crown will fall. Distributed cache is an essential component in many distributed applications. However, if you use distributed cache, it may involve double storage and double write of cache and database. As long as you use double write, there will be data consistency problem. So how do […]

  • Channel: the cornerstone of golang concurrency

    Time:2020-11-5

    The concurrent programming model of most programming languages is based on thread and memory synchronization, while goroutine and channel are replaced by goroutine and channel. Goroutine is used to perform concurrent tasks, and channel is used for concurrency control and goroutine communication. This time, follow a demo to explore the underlying secrets of channel. Channel […]

  • How to ensure the double write consistency between cache and database?

    Time:2020-9-26

    Author: you are my tsunamiSource: https://blog.csdn.net/chang38… Distributed cache is an essential component in many distributed applications. However, when distributed cache is used, it may involve cache and database dual storage and double write. As long as you are dual write, there will be data consistency problem. How do you solve the problem of consistency? Cache […]