Redis Cache By Xon

Redis Cache By Xon 2.2.0

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Compatible XF 2.x versions
2.0
Additional requirements
php 5.6+
Redis (v3.0.0 or better)
phpredis (for performance)
License
MIT Licence (add-on), New BSD (Redis Zend component)
Visible branding
No
This add-on uses Credis with a custom cache provider for Redis (based off Cm_Cache_Backend_Redis). For best performance, install the php extension: phpredis

You must have a Redis instance installed, this is likely not possible with shared hosting

While XenForo 2 has a redis connector, it requires phpredis. This add-on does not.

Feature overview
  • A pure php redis connector
  • High availability support
  • Exposes redis cache object for use for use by other add-ons
  • Implements some minor caching of forum thread counts
Troubleshooting

Please be aware that Redis is very sensitive to latency in a virtual environment. If repeated connection failures or protocol errors are experienced disable any Redis Persistence options.

Options
By default, forum thread counts are cached. In general, this is observable when moving large number of threads from one forum to another, and the total page counts are wrong.

redis-options.png


Redis Statistics
Admincp dash board is extended with basic redis statistics:

redis-stats.png


Read Scaling

With the $config['cache']['config']['load_from_slave'] option, reads can be deferred to a singular slave instance. This takes all the options of 'config' (except the slave config)

See the FAQ for configuration samples.

High availability

The Zend component support master/slave setups with Redis Sentinel support. It does not support Redis multi-master clustering.
  • Additionally, this add-on implement caching of thread counts in a forum.
  • Redis Sentinel support for high-availability (see FAQ for details).
Licencing

Components licenced under; New BSD
  • Credis
Components licenced under; MIT Licence
  • XenForo Add-on code

Contributing features or bug fixes
Please create a GitHub Pull request via the "More Information" link.

Contributions

If you appreciate this add-on, please consider a contribution via PayPal. Details will be provide via private conversation.

Please contact me if you wish for different licencing arrangements.
Author
Xon
Downloads
205
First release
Last update
Rating
0.00 star(s) 0 ratings

More resources from Xon

Latest updates

  1. 2.2.0 - Feature/Maintenance update

    Support zstd compression New retry_reads_on_master option, when a read to the slave-redis...
  2. 2.1.6a - Redistributable rebuild

    Due to an XF2.0.10 bug, the previous 2.1.6 zip was not compatible with some zip extractors
  3. 2.1.6 - Minor feature update

    Make AdminCP redis info block collapsable
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