/**
* clear static cache with prefix, don't use except in clear-cache-watcher
*
* @internal
*/
public static function clear($cacheIdPrefix)
{
if (extension_loaded('apc')) {
if (PHP_SAPI == 'cli') {
Kwf_Util_Apc::callClearCacheByCli(array('clearCacheSimpleStatic' => $cacheIdPrefix));
} else {
if (!class_exists('APCIterator')) {
throw new Kwf_Exception_NotYetImplemented("We don't want to clear the whole");
} else {
static $prefix;
if (!isset($prefix)) {
$prefix = Kwf_Cache_Simple::getUniquePrefix() . '-';
}
$it = new APCIterator('user', '#^' . preg_quote($prefix . $cacheIdPrefix) . '#', APC_ITER_NONE);
if ($it->getTotalCount() && !$it->current()) {
//APCIterator is borked, delete everything
//see https://bugs.php.net/bug.php?id=59938
if (extension_loaded('apcu')) {
apc_clear_cache();
} else {
apc_clear_cache('user');
}
} else {
//APCIterator seems to work, use it for deletion
apc_delete($it);
}
}
}
} else {
//don't use $cacheIdPrefix as filenames are base64 encoded
foreach (glob('cache/simple/*') as $f) {
unlink($f);
}
}
}
public function index()
{
if (!CheckAcl::can('viewStats')) {
return Error::set('You are not allowed to view stats!');
}
$info = new APCIterator('user');
$redis = new redisInfo(ConnectionFactory::get('redis'));
$redisInfo = $redis->info();
$this->view['apcNoKeys'] = $info->getTotalCount();
$this->view['apcSize'] = $info->getTotalSize();
$this->view['redisVersion'] = $redisInfo['redis_version'];
$this->view['redisSIP'] = $redisInfo['bgsave_in_progress'];
$this->view['redisNoChans'] = $redisInfo['pubsub_channels'];
$this->view['redisMem'] = $redisInfo['used_memory'];
$this->view['redisLastSave'] = $redisInfo['last_save_time'];
$this->view['valid'] = true;
}
/**
* List of caches
*
* @return void
*/
public function indexAction()
{
$type = $this->params('type');
$cacheList = array('stat' => _a('File status cache'), 'apc' => _a('APC file cache'), 'file' => _a('System cache files'), 'persist' => _a('System persistent data'), 'module' => _a('Module cache'), 'comment' => _a('Comment cache'));
if (!function_exists('apc_clear_cache')) {
unset($cacheList['apc']);
} elseif (class_exists('\\APCIterator')) {
$apcIterator = new \APCIterator('file');
$size = $apcIterator->getTotalSize();
foreach (array('', 'K', 'M', 'G') as $i => $k) {
if ($size < 1024) {
break;
}
$size /= 1024;
}
$totalSize = sprintf("%5.1f %s", $size, $k);
$totalCount = $apcIterator->getTotalCount();
$cacheList['apc'] .= ' (' . $totalCount . '-' . $totalSize . ')';
}
$cacheStorageClass = get_class(Pi::service('cache')->storage());
$cacheStorageName = substr($cacheStorageClass, strrpos($cacheStorageClass, '\\') + 1);
$cacheList['application'] = sprintf(_a('Application cache [%s]'), $cacheStorageName);
$frontConfig = Pi::config()->load('application.front.php');
if (!empty($frontConfig['resource']['cache'])) {
if (!empty($frontConfig['resource']['cache']['storage'])) {
$cacheStorage = Pi::service('cache')->loadStorage($frontConfig['resource']['cache']['storage']);
} else {
$cacheStorage = Pi::service('cache')->storage();
}
$cacheStorageClass = get_class($cacheStorage);
$cacheStorageName = substr($cacheStorageClass, strrpos($cacheStorageClass, '\\') + 1);
$page['title'] = sprintf(_a('Page cache [%s]'), $cacheStorageName);
$modules = Pi::service('module')->meta();
$page['modules'] = array_keys($modules);
$this->view()->assign('page', $page);
}
$registryList = Pi::service('registry')->getList();
sort($registryList);
$this->view()->assign('type', $type);
$this->view()->assign('list', $cacheList);
$this->view()->assign('registry', $registryList);
$this->view()->assign('title', _a('Cache list'));
//$this->view()->setTemplate('cache-list');
}
public static function iterate()
{
header('Content-Type: text/plain; charset=utf-8');
$requiredSpazi = 1024 * 1024 * 128;
//128MB
//$requiredSpazi = 1024*1024*300;
$mem = apc_sma_info(true);
$memSize = $mem['num_seg'] * $mem['seg_size'];
$memAvailable = $mem['avail_mem'];
if ($memAvailable > $requiredSpazi) {
die;
}
$start = microtime(true);
Kwf_Util_MemoryLimit::set(256);
ini_set('display_errors', 'on');
set_time_limit(90);
echo "size: " . round($memSize / (1024 * 1024)) . " MB\n";
echo "avail: " . round($memAvailable / (1024 * 1024)) . " MB\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
$accessTime = array();
$it = new APCIterator('user', '#^[^-]+\\-[^-]+\\-(\\-cc|procI|url)-#', APC_ITER_KEY | APC_ITER_MEM_SIZE | APC_ITER_ATIME);
echo "total count: " . $it->getTotalCount() . "\n";
echo "total hits: " . $it->getTotalHits() . "\n";
echo "total size: " . round($it->getTotalSize() / (1024 * 1024)) . " MB\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
$webs = array();
foreach ($it as $i) {
preg_match('#^([^-]+)\\-([^-]+)\\-+([a-zA-Z0-9]+)#', $i['key'], $m);
$key = $m[1] . '-' . $m[2];
if (!isset($webs[$key])) {
$webs[$key] = 0;
}
$webs[$key] += $i['mem_size'];
$accessTime[] = time() - $i['access_time'];
}
echo "min lastAccess: " . min($accessTime) . "\n";
echo "max lastAccess: " . max($accessTime) . "\n";
echo "avg lastAccess: " . round(array_sum($accessTime) / count($accessTime)) . "\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
unset($accessTime);
echo "\n";
arsort($webs);
foreach ($webs as $web => $items) {
echo "{$web}: " . round($items / $it->getTotalSize() * 100) . "%\n";
}
reset($webs);
$web = key($webs);
unset($it);
unset($webs);
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
$it = new APCIterator('user', '#^' . preg_quote($web) . '\\-(\\-cc|procI|url)-#', APC_ITER_KEY | APC_ITER_MEM_SIZE | APC_ITER_ATIME);
echo "\n{$web}\n";
echo "total count: " . $it->getTotalCount() . "\n";
echo "total hits: " . $it->getTotalHits() . "\n";
echo "total size: " . round($it->getTotalSize() / (1024 * 1024)) . " MB\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
$accessTime = array();
$size = array();
foreach ($it as $i) {
$t = time() - $i['access_time'];
$accessTime[$i['key']] = $t;
$size[$i['key']] = $i['mem_size'];
}
unset($it);
echo "min lastAccess: " . min($accessTime) . "\n";
echo "max lastAccess: " . max($accessTime) . "\n";
echo "avg lastAccess: " . round(array_sum($accessTime) / count($accessTime)) . "\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
flush();
arsort($accessTime);
$deletedBytes = 0;
$deletedCount = 0;
foreach ($accessTime as $key => $t) {
$deletedBytes += $size[$key];
$memAvailable += $size[$key];
//echo "delete $key (".round($deletedBytes/(1024*1024))."MB)\n";
//flush();
apc_delete($key);
$deletedCount++;
if ($memAvailable > $requiredSpazi + 1024 * 1024 * 2) {
break;
}
}
echo "deleted {$deletedCount} entries\n";
echo "deleted " . round($deletedBytes / 1024) . " KB\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
exit;
}
echo "<pre>";
echo "<pre>";
//Example #1 apc_inc() example
echo "Let's do something with success", PHP_EOL;
apc_store('anumber', 42);
echo apc_fetch('anumber'), PHP_EOL;
echo apc_inc('anumber'), PHP_EOL;
echo apc_inc('anumber', 10), PHP_EOL;
echo apc_inc('anumber', 10, $success), PHP_EOL;
var_dump($success);
echo "Now, let's fail", PHP_EOL, PHP_EOL;
apc_store('astring', 'foo');
$ret = apc_inc('astring', 1, $fail);
var_dump($ret);
var_dump($fail);
?>
<?php
echo "I am here <br/><br/>";
$oApcIt = new APCIterator('user', '/^[a-z]/');
echo "This total APC in mem: [" . $oApcIt->getTotalCount() . "]<br/><br/>";
echo "This total APC hits: [" . $oApcIt->getTotalHits() . "]<br/><br/>";
echo "This total size APC: [" . $oApcIt->getTotalSize() . "]<br/><br/>";
echo "WHILE ";
print_r($oApcIt);
echo "<br/>";
foreach ($oApcIt as $counter) {
// print_r($counter) . PHP_EOL;
echo "{$counter['key']}: {$counter['value']}<br/>";
//apc_dec($counter['key'], $counter['value']) . "<br/>";
}