XenForo Redis Cache By Xon 2.18.1 2.18.1

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Eldorado submitted a new resource:

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- Redis Cache By Xon 2.9.1

This add-on uses

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with a custom cache provider for

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(based off

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). For best performance, install the php extension:

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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

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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.

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.

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[Xenforo]

Eldorado updated

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• Force global namespace for functions which are known to be optimizable to bytecode in php
• Track latest upstream Credis library
• Fix "TypeError: Argument 1 passed to XXXX must be of the type YYYY, bool given" when the decompressor library for content stored in redis unexpectedly disappears

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Xenforo updated

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• Fix email rendering
• Prefix known global functions to avoid a current namespace lookup for the function.
• Work-around for non-desirable caching behaviour when CloudFlare (or similar) is forced to cache css.php output
  • If css.php would return empty output instead return a 404 and cache in redis for at most a second
  • Prevent polluting of caches if the time-stamp is in the future
• Improve XF Cloud support
  • config.php are not required if the stock...

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[Xenforo]

Xenforo updated

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• Update library used to talk to redis to version which is confirmed php 8.1 compatible
• Improve compatibility with 3rd party add-ons with caching applied to user's online list

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[Xenforo]

Xenforo updated

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• Fix case where cached forum thread counts may be inaccurate due to insufficiently specific cache key

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[Xenforo]

Xenforo updated

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• Fix php 8.1+ error with phpredis + socket connections
• Workaround for php 8.0.17+/8.1.4+ issue when zlib output compression & serving css

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[Xenforo]

Xenforo updated

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• Fix support for Redis v7+ high-availability using Redis Sentinel
• Add support for redis auth via username/password (vs just password). Requires redis v6+

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[Xenforo]

Xenforo updated

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• Fix several php 8.1 compatibility issues with Redis sentinel usage
• Fix bad default port for raw IP when connnecting to multiple redis sentinels

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[Xenforo]

Xenforo updated

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• Fix possible redis compatibility issue which may result in empty css being returned instead of a 404

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Xenforo updated

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• Fix "Short Thread Count Expiry time" and "Thread Count Expiry time" options where swapped.
• Support caching item-counts in @bob's Review Management System

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Xenforo updated

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• Initial php 8.2 compatibility update

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Xenforo updated

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• Fix "CredisException: ERR syntax error ", when a non-integer is passed to \XF::app()->cache->save() without php-redis installed. Known to affect Threadmark's rss caching

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[Xenforo]

Xenforo updated

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• Track latest upstream Credis library
• Replace "master/slave" terminology with "primary/replica" terminology. Previous config.php setting will still work.

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[Xenforo]

Xenforo updated

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This add-on is now available on atelieraphelion.com

• Require XenForo 2.2+
• Require php 7.2+
• Track latest upstream Credis library
• Fix some errors from Redis would trigger an unhelpful php type error, instead of a more useful error message
• Correctly implement "saveMultiple" method on the cache interface. This method is not used by XenForo (and apparently any other 3rd party).
  • Will be using in an upcoming Cache Permission Checks update

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[Xenforo]

Xenforo updated

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• Track latest upstream Credis library
• When various bulk-thread operations happen (move/merge/delete/approve & admincp "Batch update threads"), purge the cached forum totals to avoid stale page navigation entries.
  Uses the job queue to avoid blocking the request.

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[Xenforo]

updated

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• Remove displaying if Lua is configured or not, and remove the Lua enable/disable option.
  • Lua support was first added to redis v2.6.0, and this add-on required redis v3
• Rework caching provider code in preparation for XenForo 2.3
  • XF have documented they are switching from Doctrine/Cache to Symfony/Cache
  • I have not tested this on XF2.3, and have coded against the public interfaces of the Symfony/Cache package.
  • A future release may be required for...

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[Xenforo]

updated

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with a new update entry:

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• Fix "call to a member function setRedisConnector() on null" when using a non-default advanced configuration option

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[Xenforo]

updated

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• Display maximum memory and maximum memory policy in admincp redis status information block for troubleshooting purposes

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[Xenforo]

updated

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• Fix helper code to expire/purge redis keys did not support non-main cache backends.
  • If using a separate caching backend for css, old styling was not actively expired as expected, resulting in higher memory usage
  • If 3rd party code uses expireCacheByPattern/purgeCacheByPattern function, the new nullable 'cache' parameter should be used

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[Xenforo]

updated

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• High avaliability config default change:
  • Change default value for retry_reads_on_primary config option to true as this guards against unexpected replication delays
• Remove unexpected differences for XF2.2 and XF2.3 support (only tested on XF2.2)
• When displaying redis version, include the redis varaint type.
  • Known variants are keydb & dragonflydb.
  • Dragonflydb does not appear to support IO stats at the moment

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