Tag：colony
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Time：2021-1-21
Local use docker combine to build mongodb 3-node cluster [1 primary and 2 secondary, automatic switch between primary and standby, can be changed to real remote physical node] Support: access the cluster in another docker compose app Support: accessing cluster on host Transaction function needs cluster Separation of reading and writing, disaster recovery in different […]
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Time：2021-1-20
The last blog mainly talked about the following redis.trib.rb This tool is used to manage the nodes in redis3 / 4 cluster. For a review, please refer tohttps://www.cnblogs.com/qiuhom-1874/p/13456915.htmlToday, let’s talk about the description of cluster related configuration commands on redis5; Creating clusters [[email protected] redis]# redis-cli -a admin –cluster create 192.168.0.41:6379 192.168.0.42:6379 192.168.0.43:6379 192.168.0.41:6380 192.168.0.42:6380 192.168.0.43:6380 […]
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Time：2021-1-20
The official account of WeChat:Love to ask CTOProfessional programming Q & a communitywww.askcto.com Introduction to jedis Redis not only uses commands to operate, but also uses program client to operate. Now basically, the mainstream languages have client support, such as Java, C, C #, C + +, PHP, go, etcSome Java clients are listed in […]
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Time：2021-1-18
1、 Master node configuration 1. Initialize k8s cluster In order to deal with the problem of blocked network, our domestic network environment can only manually download the relevant images in advance and re tag them [[email protected] ~]# docker pull mirrorgooglecontainers/kube-apiserver:v1.13.1 [[email protected] ~]# docker pull mirrorgooglecontainers/kube-controller-manager:v1.13.1 [[email protected] ~]# docker pull mirrorgooglecontainers/kube-scheduler:v1.13.1 [[email protected] ~]# docker pull mirrorgooglecontainers/kube-proxy:v1.13.1 […]
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Time：2021-1-16
When we build a redis cluster, a zookeeper cluster, a Hadoop cluster, or a kafaka cluster, we need to use multiple machines, so building a cluster server is a basic literacy of a back-end programmer. The goal of this paper is to prepare to build five Linux virtual machines 1. Software preparation CentOS-7-x86_64-Minimal-1611.iso、 2. Installation […]
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Time：2021-1-15
AkriIt makes it easy for you to expose heterogeneous leaf devices (such as IP cameras and USB devices) as resources in kubernetes cluster, and it also supports exposing embedded hardware resources (such as GPU and FPGA). Akri constantly detects the nodes that have access to these devices, and schedules the workload based on these nodes. […]
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Time：2021-1-15
preface Because the k8s version of Alibaba cloud’s knative is greater than 1.15, and our current cluster environment is 1.14.8, we need to upgrade the pre release environment. There is nothing to write about the upgrade version of kubernetes cluster based on aliyun hosting, which can be implemented under the guidance of the official documents […]
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Time：2021-1-14
Introduction:Jindofs provides a distributed caching system on the computing side, which can effectively use the local storage resources (disk or memory) on the computing cluster to cache the hot data on the OSS, thus reducing the repeated fetching of the data on the OSS and consuming the network bandwidth. Background In recent years, the field […]
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Time：2021-1-13
Distributed message service (DMS) is a message middleware service based on highly available distributed cluster technology, which provides a reliable and scalable managed message queue for sending and receiving messages and storing messages. So, what are the advantages of distributed messaging service DMS compared with Kafka? The following is a detailed comparison of the two.
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Time：2021-1-13
HBase management, performance tuning Label (space separated): HBase performance tuning Hadoop Note: the original text of this article isHBASE ADMINISTRATION, PERFORMANCE TUNING Setting up Hadoop to expand disk I / O Modern servers usually have multiple disk hardware to provide large storage capacity. These disks are usually configured as RAID arrays as their factory settings. […]
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Time：2021-1-13
Windows Server 2012 build SQL server always on full record Environmental information: Windows Server 2012 R2Sql Server 2012 The whole process is divided into three steps 1. Configure the pre control and add the machine to the domain. 2. Configure windows fail over cluster 3. Configure SQL server always on high availability group (Ag) Full […]
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Time：2021-1-12
Introduction to MQ Message queue is a kind of middleware which can realize the asynchronous communication of the system, and it is often used to solve the problemAsynchronous decoupling and peak load shedding of request (TPS) in systemIt’s a matter of time. That is to say, it is for developers, not products that end users […]
