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Blog Outline:1, Overview of Kafka1) Message queuing2) Why use message queuing?3) What is Kafka?4) Characteristics of Kafka5) Kafka architecture6) Difference between Topic and Partition7) kafka flow chart8) Kafka's file storage mechanism9) Data reliability and persistence assurance10) leader election2, Deploy single Kafka1) Deploy Kafka2) Test ...

With the limitations of single disk in data security, performance and capacity, RAID has emerged. RAID combines multiple independent disks in different ways to form a disk group to obtain higher data security, performance and capacity than single disk. 1, Common RAID levels Raid has several levels of RAID0~RAID7. In addition, there are some co ...

Article directory mdadm introduction Parameters of the mdadm command Actual combat raid 0 Two new hard disks Create raid0 Save configuration information Create partition on raid 0 Format partition and mount Set up auto mount after power on mdadm introduction Management software raid tool: mdad ...

This tutorial will install ros, px4 toolchain, and gazebo simulation environment in Ubuntu 18 Refer to this tutorial to install ros, px4 toolchain, and gazebo simulation environment in Ubuntu 16 First of all, let's take a look at the corresponding gazebo relationship of Ubuntu versions. Gazebo 9.0 has b ...

Kali's version is Kali Linux large 2019.3-amd64 Sogou Pinyin version: sogoupinyin ABCD 2.3.1.0112 ABCD amd64.deb Installation idea: 1, Replace image source 2, Download Sogou Pinyin for Linux 3, Install Sogou Pinyin Four, restart Where there are pits: 1. When adding a source, do not update or upgrade i ...

Blog Outline:1, MQ introduction2, What is RabbitMQ?3, Installing RabbitMQ4, Deploy Rabbitmq cluster1) Deployment environment2) Install rabbitmq service3) Configure the host file and add the above two nodes to the cluster4) rabbitmq01 configure the cluster and add rabbitmq02 and 03 to the 01 cluster5) Accessing the web interface6) Add vhost to ...

1. Environmental preparation On a linux machine, install the hadoop running environment. For the installation method, see: Establishment of HADOOP operation environment 2. Start HDFS and run MapReduce 2.1. Configure cluster 1. Configuration: hadoop-env.sh Get the installation path of JDK in Linux system: [root@ hadoop101 ~]# echo $JAVA_HOME /op ...

1. Environmental preparation: A linux machine can be a virtual machine installed by local VMware or a real linux machine. If it is a locally installed virtual machine, the following points need to be pre configured: Configure the static IP of the machine (to prevent IP changes during restart) Modify host name (easy to configure) Turn off the ...

Preface Preceding text Overview of ADB (I)ADB(2) ﹣ adbd ﹣ main() function code sortingADB(3) ﹣ adbd ﹣ adbd ﹣ main() function code sortingCode sorting of the host side of ADB (IV)ADB(5) sorting out the code related to the adb server on the host side First of all, we know that ADB indirectly call ...

alpine Make Mirror Introduction to alpine Linux Making JDK8 Mirror Based on alpine Alpine Makes a jre Mirror Docker image uploaded to Aliyun preparation in advance Forget password can be modified by clicking on menu:'Container Mirror Service'- >'Default Instance' - >'Access Credentials' Pull mi ...