Implementation of Prometheus alarm through Alertmanager

Prometheus does not support the alarm function, mainly through the plug-in alertmanager to achieve alarm. Alertmanager is used to receive the alarm information sent by Prometheus, process the alarm and send it to the specified user or group. The process of Prometheus triggering an alarm is as follows: p ...

Posted on Sun, 28 Jun 2020 22:35:57 -0400 by flamtech

Redis series - bloon filter

When we use Redis as cache, one of the problems we need to consider is cache penetration. There are many types of cache penetration, and different types have different solutions. As one of the solutions, the bloon filter is used. The bloom filter is mainly used to determine whether an element is contai ...

Posted on Sat, 27 Jun 2020 02:42:46 -0400 by methodlessman

MySQL merges and splits by specified characters

Merging or splitting by specified characters is a common scenario. MySQL is easier to write in merged characters, but splitting by specified characters is more cumbersome (that is, writing more characters).This article will show examples of merging and splitting by specified characters. 1. Consolidation Group_can be used directly for merging sp ...

Posted on Wed, 24 Jun 2020 22:09:54 -0400 by zggtf211

MySQL master-slave replication building (one master and two slaves)

1, Environment introduction The data replication between MySQL is based on binary log files. Once the binary log is enabled in MySQL database, all operations in its database will be recorded in the binary log in the form of events as Master. Other databases as Slave will keep communication with the Ma ...

Posted on Wed, 24 Jun 2020 02:45:40 -0400 by Wetzut

[linux] learn operation and maintenance step by step - Basic chapter - file permission management

Write before: Blogger is a rebel who pursues freedom after 80's standard of devoting himself to education and training. His nickname comes from Su Shi's "the height is too cold" in "the head of the tune of water". He always reminds himself to stand the loneliness and suffer the loneliness. On the road of technology, he is ...

Posted on Tue, 23 Jun 2020 03:37:21 -0400 by Fribbles

ELK log analysis platform -- elastic search

1, elasticsearch practice Open source distributed search analysis engine and love ability are based on apache lucene, a full-text search engine library elasticsearch is not only lucene, but also a full-text search engine: A distributed file storage, each field can be indexed and searched A distributed r ...

Posted on Sun, 21 Jun 2020 06:22:37 -0400 by egpis

Simple Distributed Cluster Cluster Setup for HDFS

Simple Distributed Cluster Cluster Setup for HDFS Preface This paper describes a simple HDFS fully distributed cluster setup operation, which is a simple distributed cluster because it is not a highly available HDFS.The next article will describe how to build a distributed cluster of HDFS for HA. ...

Posted on Sat, 20 Jun 2020 21:56:51 -0400 by abhi_10_20

kubernetes dynamic storage based on nfs

1 create nfs Deploy the nfs service on the kubernetes master node and execute on the master node #master node install nfs yum -y install nfs-utils #Create nfs directory mkdir -p /nfs/data/ #Modify permission chmod -R 777 /nfs/data #Edit the export file, which is the default configuration file of nfs vim /etc/exports /nfs/data *(rw,no_root_sq ...

Posted on Tue, 16 Jun 2020 03:04:15 -0400 by snk

docker installation elasticsearch and Vim installation error

docker installation elasticsearch Simple operation (1) View local images Image docker images (2) View containers that are running on this machine docker ps (3) pull image from dockerhub docker pull image name Installation and configuration Docker search esearch all elasticsearch versio ...

Posted on Mon, 15 Jun 2020 03:04:48 -0400 by php_blob

MFS -- detailed explanation and deployment of MFS

mfs explanation and deployment 1, MFS details Distributed principle: MFS principle: Composition of MFS file system MFS read data processing: MFS write data processing: The process of deleting files in MFS MFS process of modifying file content MFS renaming process The process of MFS traversing files ...

Posted on Sun, 14 Jun 2020 02:16:37 -0400 by xkaix