What is the default location for Redis AOF file for Ubuntu?

Question

Background

Yesterday our machine crashed unexpectedly and our AOF file for Redis got corrupted.

Upon trying to start the service with sudo systemctl start redis-server we are greeted with the following logs:

Bad file format reading the append only file: make a backup of your AOF file, then use ./redis-check-aof --fix

Research

Aparently this looks like a simple error to fix, just execute ./redis-check-aof --fix <filename>.

Except I don't have the smallest idea of where that file is.

I have searched the Github discussions for this issue, but unfortunately none provides me with the location for the file:

• https://github.com/antirez/redis/issues/4931

The persistence documentation also doesn't make a mention of the location for this file:

• https://redis.io/topics/persistence

Specs

These are the specs of the system where I am running Redis:

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.3 LTS
Release:        16.04
Codename:       xenial

Question

Where is located this file?

Archfiend

Answer 1

You have two choices:

1. Find the configure file for Redis, normally, it's named redis.conf. The dir and appendfilename configuration specify the directory and file name of the AOF file.
2. Connect to Redis with redis-cli, and use the CONFIG GET command to get the dir configuration, i.e. CONFIG GET dir. The AOF file should located under this directory.

Prophets

Answer 2

The path is typically /var/lib/redis/appendonly.aof you will need to run sudo redis-check-aof --fix /var/lib/redis/appendonly.aof

Lurdan

cat: /var/lib/redis/appendonly.aof: No such file or directory – Portemonnaie

Answer 3

in case if you use docker and append volume to /data then the path to appendonly.aof will be: /data/appendonly.aof

Portemonnaie

Answer 4

In my case, I was using docker. I started the redis server without using --appendonly yes, then it started without any issues. And then ran CONFIG GET dir like @for-stack said and got this output:

1) "dir"
2) "/data"

So I checked under the /data path and found the file appendonly.aof

Then I ran /usr/local/bin/redis-check-aof --fix /data/appendonly.aof to fix the issue.

Retriever

Answer 5

I ran /path/redis-check-aof --fix /data/appendonly.aof to fix this. Thanks all.

Shrubbery