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feat: Add memcache_customprefix

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Signed-off-by: Martin <31348196+Earl0fPudding@users.noreply.github.com>
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Martin 2026-02-13 16:25:09 +01:00 committed by Daniel Kesselberg
parent 35ef9b078a
commit 2a2f42e781
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2 changed files with 16 additions and 3 deletions
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10
config/config.sample.php
View file

@ -1758,6 +1758,16 @@ $CONFIG = [
*/
'memcache.distributed' => '\\OC\\Memcache\\Memcached',
/**
* Cache Key Prefix for Redis or Memcached
*
* * Used for avoiding collisions in the cache system
* * May be used for ACL restrictions in Redis
*
* Defaults to ``''`` (empty string)
*/
'memcache_customprefix' => 'mycustomprefix',
/**
* Connection details for Redis to use for memory caching in a single server configuration.
*

9
lib/private/Memcache/Factory.php
View file

@ -115,6 +115,7 @@ class Factory implements ICacheFactory {
protected function getGlobalPrefix(): string {
if ($this->globalPrefix === null) {
$config = Server::get(SystemConfig::class);
$customprefix = $config->getValue('memcache_customprefix', '');
$maintenanceMode = $config->getValue('maintenance', false);
$versions = [];
if ($config->getValue('installed', false) && !$maintenanceMode) {
@ -131,7 +132,7 @@ class Factory implements ICacheFactory {
// Include instanceid in the prefix, in case multiple instances use the same cache (e.g. same FPM pool)
$instanceid = $config->getValue('instanceid');
$installedApps = implode(',', array_keys($versions)) . implode(',', array_values($versions));
$this->globalPrefix = hash('xxh128', $instanceid . $installedApps);
$this->globalPrefix = $customprefix . hash('xxh128', $instanceid . $installedApps);
}
return $this->globalPrefix;
}
@ -145,9 +146,11 @@ class Factory implements ICacheFactory {
public function withServerVersionPrefix(\Closure $closure): void {
$backupPrefix = $this->globalPrefix;
$config = Server::get(SystemConfig::class);
$customprefix = $config->getValue('memcache_customprefix', '');
// Include instanceid in the prefix, in case multiple instances use the same cache (e.g. same FPM pool)
$instanceid = Server::get(SystemConfig::class)->getValue('instanceid');
$this->globalPrefix = hash('xxh128', $instanceid . implode('.', $this->serverVersion->getVersion()));
$instanceid = $config->getValue('instanceid');
$this->globalPrefix = $customprefix . hash('xxh128', $instanceid . implode('.', $this->serverVersion->getVersion()));
$closure($this);
$this->globalPrefix = $backupPrefix;
}