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Add getStats() method for MemoryCaches

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Philipp 2025-04-21 19:37:37 +02:00
parent ffb621f0e4
commit 01296e98f9
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12 changed files with 170 additions and 0 deletions
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7
src/Core/Cache/Capability/ICanCacheInMemory.php
View file

@ -53,4 +53,11 @@ interface ICanCacheInMemory extends ICanCache
* @throws CachePersistenceException In case the underlying cache driver has errors during persistence
*/
public function compareDelete(string $key, $value): bool;
/**
* Returns some basic statistics of the used Cache instance
*
* @return array Returns an associative array of statistics
*/
public function getStats(): array;
}

15
src/Core/Cache/Type/APCuCache.php
View file

@ -147,4 +147,19 @@ class APCuCache extends AbstractCache implements ICanCacheInMemory
return true;
}
/** {@inheritDoc} */
public function getStats(): array
{
$apcu = apcu_cache_info();
$sma = apcu_sma_info();
return [
'entries' => $apcu['num_entries'] ?? null,
'used_memory' => $apcu['mem_size'] ?? null,
'hits' => $apcu['num_hits'] ?? null,
'misses' => $apcu['num_misses'] ?? null,
'avail_mem' => $sma['avail_mem'] ?? null,
];
}
}

6
src/Core/Cache/Type/ArrayCache.php
View file

@ -96,4 +96,10 @@ class ArrayCache extends AbstractCache implements ICanCacheInMemory
return false;
}
}
/** {@inheritDoc} */
public function getStats(): array
{
return [];
}
}

17
src/Core/Cache/Type/MemcacheCache.php
View file

@ -156,4 +156,21 @@ class MemcacheCache extends AbstractCache implements ICanCacheInMemory
$cacheKey = $this->getCacheKey($key);
return $this->memcache->add($cacheKey, serialize($value), MEMCACHE_COMPRESSED, $ttl);
}
/** {@inheritDoc} */
public function getStats(): array
{
$stats = $this->memcache->getStats();
return [
'version' => $stats['version'] ?? null,
'entries' => $stats['curr_items'] ?? null,
'used_memory' => $stats['bytes'] ?? null,
'uptime' => $stats['uptime'] ?? null,
'connected_clients' => $stats['curr_connections'] ?? null,
'hits' => $stats['get_hits'] ?? null,
'misses' => $stats['get_misses'] ?? null,
'evictions' => $stats['evictions'] ?? null,
];
}
}

23
src/Core/Cache/Type/MemcachedCache.php
View file

@ -172,4 +172,27 @@ class MemcachedCache extends AbstractCache implements ICanCacheInMemory
$cacheKey = $this->getCacheKey($key);
return $this->memcached->add($cacheKey, $value, $ttl);
}
/** {@inheritDoc} */
public function getStats(): array
{
$stats = $this->memcached->getStats();
// get statistics of the first instance
foreach ($stats as $value) {
$stats = $value;
break;
}
return [
'version' => $stats['version'] ?? null,
'entries' => $stats['curr_items'] ?? null,
'used_memory' => $stats['bytes'] ?? null,
'uptime' => $stats['uptime'] ?? null,
'connected_clients' => $stats['curr_connections'] ?? null,
'hits' => $stats['get_hits'] ?? null,
'misses' => $stats['get_misses'] ?? null,
'evictions' => $stats['evictions'] ?? null,
];
}
}

10
src/Core/Cache/Type/ProfilerCacheDecorator.php
View file

@ -166,4 +166,14 @@ class ProfilerCacheDecorator implements ICanCache, ICanCacheInMemory
{
return $this->cache->getName() . ' (with profiler)';
}
/** {@inheritDoc} */
public function getStats(): array
{
if ($this->cache instanceof ICanCacheInMemory) {
return $this->cache->getStats();
} else {
return [];
}
}
}

17
src/Core/Cache/Type/RedisCache.php
View file

@ -207,4 +207,21 @@ class RedisCache extends AbstractCache implements ICanCacheInMemory
$this->redis->unwatch();
return false;
}
/** {@inheritDoc} */
public function getStats(): array
{
$info = $this->redis->info();
return [
'version' => $info['redis_version'] ?? null,
'entries' => $this->redis->dbSize() ?? null,
'used_memory' => $info['used_memory'] ?? null,
'connected_clients' => $info['connected_clients'] ?? null,
'uptime' => $info['uptime_in_seconds'] ?? null,
'hits' => $info['keyspace_hits'] ?? null,
'misses' => $info['keyspace_misses'] ?? null,
'evictions' => $info['evicted_keys'] ?? null,
];
}
}

10
src/Core/Lock/Type/CacheLock.php
View file

@ -156,6 +156,16 @@ class CacheLock extends AbstractLock
return $success;
}
/**
* Returns stats about the cache provider
*
* @return array
*/
public function getCacheStats(): array
{
return $this->cache->getStats();
}
/**
* @param string $key The original key
*

14
tests/src/Core/Cache/APCuCacheTest.php
View file

@ -35,4 +35,18 @@ class APCuCacheTest extends MemoryCacheTestCase
$this->cache->clear(false);
parent::tearDown();
}
/**
* @small
*/
public function testStats()
{
$stats = $this->instance->getStats();
self::assertNotNull($stats['entries']);
self::assertNotNull($stats['used_memory']);
self::assertNotNull($stats['hits']);
self::assertNotNull($stats['misses']);
self::assertNotNull($stats['avail_mem']);
}
}

17
tests/src/Core/Cache/MemcacheCacheTest.php
View file

@ -59,4 +59,21 @@ class MemcacheCacheTest extends MemoryCacheTestCase
{
static::markTestIncomplete('Race condition because of too fast getAllKeys() which uses a workaround');
}
/**
* @small
*/
public function testStats()
{
$stats = $this->instance->getStats();
self::assertNotNull($stats['version']);
self::assertIsNumeric($stats['hits']);
self::assertIsNumeric($stats['misses']);
self::assertIsNumeric($stats['evictions']);
self::assertIsNumeric($stats['entries']);
self::assertIsNumeric($stats['used_memory']);
self::assertGreaterThan(0, $stats['connected_clients']);
self::assertGreaterThan(0, $stats['uptime']);
}
}

17
tests/src/Core/Cache/MemcachedCacheTest.php
View file

@ -58,4 +58,21 @@ class MemcachedCacheTest extends MemoryCacheTestCase
{
static::markTestIncomplete('Race condition because of too fast getAllKeys() which uses a workaround');
}
/**
* @small
*/
public function testStats()
{
$stats = $this->instance->getStats();
self::assertNotNull($stats['version']);
self::assertIsNumeric($stats['hits']);
self::assertIsNumeric($stats['misses']);
self::assertIsNumeric($stats['evictions']);
self::assertIsNumeric($stats['entries']);
self::assertIsNumeric($stats['used_memory']);
self::assertGreaterThan(0, $stats['connected_clients']);
self::assertGreaterThan(0, $stats['uptime']);
}
}

17
tests/src/Core/Cache/RedisCacheTest.php
View file

@ -57,4 +57,21 @@ class RedisCacheTest extends MemoryCacheTestCase
$this->cache->clear(false);
parent::tearDown();
}
/**
* @small
*/
public function testStats()
{
$stats = $this->instance->getStats();
self::assertNotNull($stats['version']);
self::assertIsNumeric($stats['hits']);
self::assertIsNumeric($stats['misses']);
self::assertIsNumeric($stats['evictions']);
self::assertIsNumeric($stats['entries']);
self::assertIsNumeric($stats['used_memory']);
self::assertGreaterThan(0, $stats['connected_clients']);
self::assertGreaterThan(0, $stats['uptime']);
}
}