RedisScanner 
RedisScanner is a tiny tool for scanning all redis keys and creating statistic result. The features are the followings.
- Scans keys using scan replacing keys command.
- Creates statistic result by key's pattern.
- Provide key's detail information which includes type and size.
- Provide table format output..
Installation
Install redis_scanner in shell.
gem install redis_scannerInstallation prerequirement
You should install ruby first.
Usage
- Get started
You can run it directly after install. It will scan local redis instance when you just input redis_scanner.
redis_scannerThe Output is like this:
+------------------------------------+-------+
| Key | Count |
+------------------------------------+-------+
| demo:user:<id>:counter | 10000 |
| u:<uuid>:pf | 52 |
| sidekiq_demo:stat:failed:<date> | 4 |
| sidekiq_demo:stat:processed:<date> | 4 |
| _sp_one:queue:default | 1 |
| bh:queues | 1 |
...
+------------------------------------+-------+redis_scanner -d -l 10The Output is like this:
+------------------------------------+--------+-------+--------+---------+
| Key | Type | Count | Size | AvgSize |
+------------------------------------+--------+-------+--------+---------+
| demo:user:<id>:counter | string | 10000 | 927510 | 92.75 |
| u:<uuid>:pf | hash | 52 | 108 | 2.08 |
| sidekiq_demo:stat:failed:<date> | string | 4 | 5 | 1.25 |
| sidekiq_demo:stat:processed:<date> | string | 4 | 6 | 1.5 |
| _sp_one:queue:default | list | 1 | 1 | 1.0 |
| bh:queues | set | 1 | 1 | 1.0 |
| bh:retry | zset | 1 | 1 | 1.0 |
| bh:stat:failed | string | 1 | 1 | 1.0 |
| bh:stat:processed | string | 1 | 1 | 1.0 |
| bus_app:app_two | hash | 1 | 1 | 1.0 |
+------------------------------------+--------+-------+--------+---------+- Scan keys with some pattern
redis_scanner -m u:*- Output statistic result to a file
redis_scanner -f keys_stat.txt- Redis options. The options are same of redis-cli.
redis_scanner -h <host> -p <port> ...Development
You are free to modify it for your need.
Contributing
Bug reports and pull requests are welcome on GitHub at https://github.com/xiewenwei/redis_scanner. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.