Category: Redis

yum -y install git
git clone https://github.com/phpredis/phpredis.git && cd phpredis

whereis phpize

/usr/bin/phpize #adjust to your own path

./configure –with-php-config=/usr/local/php/bin/php-confi …

Check the updated Redis version under Docker:

https://hub.docker.com/_/redis?tab=tags

docker pull redis:latest #Pull the image docker images #List images
Start the image: Below is an example of starting three Redis instances, mapped to external ports 637 …

Redis reports a persistence error during program execution.

Solution:
1. Modify the configuration file:
vi redis.conf stop-writes-on-bgsave-error no # Change the value from yes to no. If this line does not exist, append it to the end.
Other optimizations can be applied as needed…

Today, while setting up Redis Sentinel, I got stuck on -sdown sentinel and couldn’t get automatic master-slave failover to work.
Configuration is as follows: port 26379
daemonize yes
logfile "/home/redis/logs/sentinel.log"
sentinel announce-ip 192.168.0.201 …

Redis Cluster Startup Error:

[ERR] Node 192.168.0.201:7001 is not empty. Either the node already knows other nodes (check with CLUSTER NODES) or contains some key in database 0.

Using my 3.2.6 as an example …

Note: For Redis installation and startup, we use the user jjzb here. Please create the relevant user in advance. The installation path is /home/jjzb/redis; you can modify it according to your situation.

1.Compile and install [root@localhost ~]#yum -y install gcc gcc-c++ libstdc++-devel tcl wget vim …

Here are the issues encountered during today’s performance testing, summarized below.
1. Problem
While testing a certain interface, it was found that the keyspace_misses in Redis kept increasing, meaning the number of cache misses was continuously rising.

2. Troubleshooting and Analysis Process
1) The number of keys returned by the DBSIZE command was greater than the count obtained from KEYS *, indicating…

I. Software Installation
Here we assume the master server IP is 192.168.1.100, and the slave server is 192.168.1.200
yum -y install redis Start on boot:
chkconfig –add redis chkconfig redis on
Add firewall rules:
/sbin/iptables -I INPUT -p tcp –dpo …