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redis

Process mount is read only

by IT Nursery

Process mount is read only

Tags filesystems, redis, systemd

systemd rejecting with ‘more than one ExecStart= setting’

by IT Nursery

Thanks to rrauenza, he is right. I have a .conf file in /etc/systemd/system/redis.service.d/redis_systemd.conf . Once I removed that, it’s almost working!

Tags redis, systemd

Process which locks up, ignores SIGKILL, is runnable (not a zombie or in uninterruptable sleep). What state is it in?

by IT Nursery

Process which locks up, ignores SIGKILL, is runnable (not a zombie or in uninterruptable sleep). What state is it in?

Tags linux-kernel, process, redis

Search a Redis Database

by IT Nursery

Imagine having a tun of hashes in a Redis Database, each representing a user object. How would you get the user with for … Read more

Tags condition, redis, select

What are ‘Range’ and ‘Radius’ queries and what is the difference between them?

by IT Nursery

While searching for easy and effective tools to improve performance of Data fetching for our application, we bumped into “Redis”. In documentation of … Read more

Tags redis

Redis remove slave from replication along with sentinel

by IT Nursery

I have a 3-nodes Redis replication and a 3-nodes Sentinel. I want to remove one slave. I tried stop slave and remove slaveof … Read more

Tags redis, replication

redis newbie – how to create hash within a hash?

by IT Nursery

I want to create this type of a structure in redis: (its basically json data) { “id”: “0001”, “name”:”widget ABC”, “model”: “model123”, “service”:”standard”, … Read more

Tags hashing, nosql, redis

Redis takes up all the Memory and Crashes

by IT Nursery

A redis server v2.8.4 is running on a Ubuntu 14.04 VPS with 8 GB RAM and 16 GB swap space (on SSDs). However … Read more

Tags memory, nosql, performance, redis, ubuntu

Redis appendonly.aof file size out of control

by IT Nursery

I host a Rails 5 website that uses Sidekiq to manage its background jobs. The problem I have is that regularly the appendonly.aof … Read more

Tags redis

Redis vs Memcache

by IT Nursery

I’m a bit new to Memcache and Redis and I’m trying to understand the difference between the two and what each actually is. … Read more

Tags memcache, redis
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