Created
June 27, 2022 07:57
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Memcached dumper
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| #!/usr/bin/env php | |
| <?php | |
| if (! isset($argv[1])) { | |
| echo 'Usage: memcached-dumper.php <server>'.PHP_EOL; | |
| exit; | |
| } | |
| $memcache = new Memcache; | |
| $memcache->connect($argv[1]); | |
| $slabs = $memcache->getExtendedStats('slabs'); | |
| $items = $memcache->getExtendedStats('items'); | |
| $data = array(); | |
| foreach ($slabs as $server => $server_slabs) { | |
| foreach ($server_slabs as $slab_id => $slab_metadata) { | |
| if (is_int($slab_id)) { | |
| $cache_dump = $memcache->getExtendedStats('cachedump', $slab_id); | |
| foreach ($cache_dump as $cache_server => $entries) { | |
| if ($entries !== false) { | |
| foreach ($entries as $key => $value) { | |
| $data[$key] = array( | |
| 'key' => $key, | |
| 'server' => $cache_server, | |
| 'slab_id' => $slab_id, | |
| 'value' => $memcache->get($key), | |
| 'age' => $items[$cache_server]['items'][$slab_id]['age'], | |
| ); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| $output = '<!DOCTYPE html>'; | |
| $output .= '<html><head><title>Memcached dump</title>'; | |
| $output .= '<style>'; | |
| $output .= 'body { font-size: 0.9em; max-width: 1024px; }'; | |
| $output .= 'td { border: 1px solid #ccc; margin: 0; }'; | |
| $output .= 'table { margin: 0; width: 100%; max-width: 1024px; }'; | |
| $output .= '</style>'; | |
| $output .= '</head><body>'; | |
| $output .= '<table>'; | |
| $output .= '<tr>'; | |
| $output .= '<th>Key</th>'; | |
| $output .= '<th>SlabID</th>'; | |
| $output .= '<th>Age</th>'; | |
| $output .= '<th>Value</th>'; | |
| $output .= '</tr>'; | |
| foreach ($data as $values) { | |
| $output .= '<tr>'; | |
| $output .= '<td>'.$values['key'].'</td>'; | |
| $output .= '<td>'.$values['slab_id'].'</td>'; | |
| $output .= '<td>'.$values['age'].'</td>'; | |
| $output .= '<td><pre style="overflow: auto; height: 150px; width: 900px;">'.var_export($values['value'], true).'</pre></td>'; | |
| $output .= '</tr>'; | |
| } | |
| $output .= '</table></body></html>'; | |
| file_put_contents('memcached-dumper.html', $output); |
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