Redis Cache By Xon 2.18.1

[eva2000]

Why do many people prefer Redis over Memcache?

It's usually personal preference though more web apps are supporting Redis so easier to use Redis for other web apps too. Though Memcached has a limitation in that it has a max 250 character limit for keys so some web apps which end up handling larger character length keys will have problems i.e. one of my Centmin Mod users reported such with Wordpress https://community.centminmod.com/threads/problem-memcached-and-long-urls.1661/

 

[Xon]

Why do many people prefer Redis over Memcache?

Redis is fairly frequently updated, offers a rich set of instructions & data types, and finally has much more sane defaults than memcache.

 

[Hristo Avramov]

What is the difference between the default caching of xenforo 2.1 ?

 

[Xon]

What is the difference between the default caching of xenforo 2.1 ?

This add-on;

• Does not need php-redis extension (stock does).
• Supports high-availability by redis sentinel support.
• Supports distributing reads over slaves to allow read scaling
• Integrates with my other redis add-ons

 

[Sunka]

@Xon
Could you please look at this.
I have redis with several instances.
Ports:
6379 will be for classic xf cache
6480 will be for xf guest page cache
6481 will be for xf css cache (not enabled at beginning)

Is this configuration will be OK?

// START Redis configuration //

// Global Cache
$config['cache']['enabled'] = true;
$config['cache']['sessions'] = true;
$config['cache']['namespace'] = 'xfredis_';
$config['cache']['provider'] = 'SV\RedisCache\Redis';
$config['cache']['config'] = array(
    'server' => '127.0.0.1',
    'port' => 6379,
    'connect_retries' => 2,
    'use_lua' => true,
    'compress_data' => 2,
    'serializer' => 'igbinary',
//  'password' => 'password',
    'read_timeout' => 1,
    'timeout' => 1,
    'persistent' => true,
    'persistent_id' => 'global'
);


// Guest Page Cache
$config['pageCache']['enabled'] = true;
$config['pageCache']['lifetime'] = 900;
$config['pageCache']['recordSessionActivity'] = true;
$config['cache']['context']['page']['namespace'] = 'xfredispages_';
$config['cache']['context']['page']['provider'] = 'SV\RedisCache\Redis';
$config['cache']['context']['page']['config'] = array(
    'server' => '127.0.0.1',
    'port' => 6480,
    'connect_retries' => 2,
    'use_lua' => true,
    'compress_data' => 6,
    'serializer' => 'igbinary',
    'timeout' => 1,
    'persistent' => true,
    'persistent_id' => 'pages'
);

// css cache
// $config['css']['enabled'] = true;
//$config['cache']['context']['css']['provider'] = 'Redis';
//$config['cache']['context']['css']['config'] = array(
//    'server' => '127.0.0.1',
//    'port' => 6481,
//   'connect_retries' => 2,
//    'use_lua' => true,
//    'compress_data' => 6,
//    'serializer' => 'igbinary',
//    'timeout' => 1,
//    'persistent' => true,
//    'persistent_id' => 'css'
//);

// END Redis configuration //

 

[eva2000]

@Sunka I am using similar config at very end of the post at https://community.centminmod.com/th...mod-123-09beta01-lemp-stack.16060/#post-70603

Native Xenforo 2.1.0 css cache context using Redis provider on 127.0.0.1 port 6479 database 7 while having global cache on port 6479 database 2 and page cache on port 6480 using Xon's Redis Cache Addon provider

// global cache
$config['cache']['enabled'] = true;
$config['cache']['namespace'] = 'xfaredis';
$config['cache']['provider'] = 'SV\RedisCache\Redis';
$config['cache']['config'] = [
    'host' => '127.0.0.1',
    'port' => 6479,
    'database' => 2,
    'compress_data' => 6,
    'serializer' => 'igbinary',
    'use_lua' => true,
//  'read_timeout' => 1,
//  'timeout' => 1,
//  'lifetimelimit' => 2592000,
//  'compress_threshold' => 20480,
    'persistent' => true
];

// session cache
$config['cache']['sessions'] = true;

$config['pageCache']['enabled'] = true;
$config['pageCache']['lifetime'] = 900;
$config['pageCache']['recordSessionActivity'] = true;
$config['cache']['context']['page']['namespace'] = 'xfaredispagecache';
$config['cache']['context']['page']['provider'] = 'SV\RedisCache\Redis';
$config['cache']['context']['page']['config'] = [
    'host' => '127.0.0.1',
    'port' => 6480,
    'database' => 4,
    'compress_data' => 6,
    'serializer' => 'igbinary',
    'use_lua' => true,
//  'read_timeout' => 1,
//  'timeout' => 1,
//  'lifetimelimit' => 2592000,
//  'compress_threshold' => 20480,
    'persistent' => true
];

// css cache
$config['css']['enabled'] = true;
$config['cache']['context']['css']['provider'] = 'Redis';
$config['cache']['context']['css']['namespace'] = 'xfarediscsscache_';
$config['cache']['context']['css']['config'] = [
    'host' => '127.0.0.1',
    'port' => 6479,
    'serializer' => 'igbinary',
    'database' => 7,
//  'timeout' => 1,
    'persistent' => true
];

inspecting the redis caches for global, page and css cache respectively

 

[Sunka]

@Sunka I am using similar config at very end of the post at https://community.centminmod.com/th...mod-123-09beta01-lemp-stack.16060/#post-70603

Native Xenforo 2.1.0 css cache context using Redis provider on 127.0.0.1 port 6479 database 7 while having global cache on port 6479 database 2 and page cache on port 6480 using Xon's Redis Cache Addon provider

// global cache
$config['cache']['enabled'] = true;
$config['cache']['namespace'] = 'xfaredis';
$config['cache']['provider'] = 'SV\RedisCache\Redis';
$config['cache']['config'] = [
    'host' => '127.0.0.1',
    'port' => 6479,
    'database' => 2,
    'compress_data' => 6,
    'serializer' => 'igbinary',
    'use_lua' => true,
    'read_timeout' => 1,
    'timeout' => 1,
    'lifetimelimit' => 2592000,
    'compress_threshold' => 20480,
    'persistent' => true
];

// session cache
$config['cache']['sessions'] = true;

$config['pageCache']['enabled'] = true;
$config['pageCache']['lifetime'] = 900;
$config['pageCache']['recordSessionActivity'] = true;
$config['cache']['context']['page']['namespace'] = 'xfaredispagecache';
$config['cache']['context']['page']['provider'] = 'SV\RedisCache\Redis';
$config['cache']['context']['page']['config'] = [
    'host' => '127.0.0.1',
    'port' => 6480,
    'database' => 4,
    'compress_data' => 6,
    'serializer' => 'igbinary',
    'use_lua' => true,
    'read_timeout' => 1,
    'timeout' => 1,
    'lifetimelimit' => 2592000,
    'compress_threshold' => 20480,
    'persistent' => true
];

// css cache
$config['css']['enabled'] = true;
$config['cache']['context']['css']['provider'] = 'Redis';
$config['cache']['context']['css']['namespace'] = 'xfarediscsscache_';
$config['cache']['context']['css']['config'] = [
    'host' => '127.0.0.1',
    'port' => 6479,
    'serializer' => 'igbinary',
    'database' => 7,
    'timeout' => 1,
    'persistent' => true
];

inspecting the redis caches for global, page and css cache respectively

View attachment 194912View attachment 194913View attachment 194911

Yep, but isn't it better two have seperate instances than same port with several databases?

 

[eva2000]

Yep, but isn't it better two have seperate instances than same port with several databases?

only one needs separating is really page cache from sessions.

 

[eva2000]

@Sunka I am using similar config at very end of the post at https://community.centminmod.com/th...mod-123-09beta01-lemp-stack.16060/#post-70603

Native Xenforo 2.1.0 css cache context using Redis provider on 127.0.0.1 port 6479 database 7 while having global cache on port 6479 database 2 and page cache on port 6480 using Xon's Redis Cache Addon provider

Update: seems extending separate CSS cache isn't working 100% with webpagetest.org 3x run tests, 2nd and 3rd runs always come back with 404 content. Removing separated CSS cache config and only using global and page cache works fine for webpagetest.org 3x run tests.

So just leave off css cache config

Update 2: Although it might be due to timeout settings so have commented those out while testing.

 

[Xon]

Xon updated Redis Cache By Xon with a new update entry:

2.3.1 - Maintenance update

• Update layout of master Redis server to match server environment report
• Include free/peak/max memory usage in stats output

Read the rest of this update entry...

 

[Xon]

Xon updated Redis Cache By Xon with a new update entry:

2.4.0 - Feature update

• Enable LUA by default (all Redis versions since v2.8 have supported LUA scripting)
• Multi-DB support when counting keys in Redis instamce
• Support being a drop in replacement for the stock Redis provider
  • Alias the config key "host" to "server"

Thanks to @DragonByte Tech for contributions

Read the rest of this update entry...

 

[LawdBeerus]

What do I put in config.php to select Redis database? I already use 0 and 1.
In XF1, I use $config['cache']['backendOptions']['database'] = 2;

 

[LawdBeerus]

What do I put in config.php to select Redis database? I already use 0 and 1.
In XF1, I use $config['cache']['backendOptions']['database'] = 2;

Think I got it, is this okay?

$config['cache']['sessions'] = true;

$config['cache']['enabled'] = true;
$config['cache']['provider'] = 'SV\RedisCache\Redis';
$config['cache']['config']  = array(
        'server' => 'x.x.x.x',
        'port' => 6379,
        'compress_data' => 6,
        'password' => 'removed',
        'use_lua' => true,
        'read_timeout' => 1,
        'timeout' => 2,
        'database' => 2,
    );

 

[Xon]

That should work

 

[sicdex]

@Xon if i use "Discouraged IP addresses", server to return 500 error.

my settings

$config['cache']['enabled'] = true;
$config['cache']['sessions'] = true;
$config['cache']['provider'] = 'SV\RedisCache\Redis';
$config['cache']['config'] = array(
        'server' => 'x.x.x.x',
        'port' => 6379,
        'timeout' => 2.5,
        'persistent' => null,
        'force_standalone' => false,
        'connect_retries' => 2,
        'read_timeout' => null,
        'password' => 'xxxxx',
        'database' => 0,
        'compress_data' => 6,
        'compression_lib' => null,
        'use_lua' => true,
        'serializer' => 'igbinary',
        );

after deletion of "Discouraged IP addresses" server return 200 (OK) server success worked.

 

[Xon]

This add-on doesn't interact with the discouragment system. It likely having a value for the "page delay" is messing with things.

 

[sicdex]

This add-on doesn't interact with the discouragment system. It likely having a value for the "page delay" is messing with things.

Yeah, i'm sorry The problem at the very core of the forum is related to "Discouraged IP addresses".

 

[Nuno]

Hi

I would like to avoid data list when restarting redis, mainly user sessions.
What do you suggest? RDB or AOF?

I think for this use case RDB should be enough:

save 900 1

What do you think?

 

[Xon]

You can set a very large value for the save duration (ie a day or so), and then when redis shuts down it will persist to an RDB file since there is a save point configured.

 

[Nuno]

Ok, save 86400 1 should do?