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#215252 by bdragon: reset the cache flush variable before the cache is flushed, so busy sites will not attempt multiple cache flushes at a time

5.x
Neil Drumm 2008-02-10 02:05:00 +00:00
parent 671e70283d
commit 9e137fc223
1 changed files with 2 additions and 1 deletions
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3
includes/cache.inc
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@ -16,9 +16,10 @@ function cache_get($key, $table = 'cache') {
// Garbage collection necessary when enforcing a minimum cache lifetime
$cache_flush = variable_get('cache_flush', 0);
if ($cache_flush && ($cache_flush + variable_get('cache_lifetime', 0) <= time())) {
// Reset the variable immediately to prevent a meltdown in heavy load situations.
variable_set('cache_flush', 0);
// Time to flush old cache data
db_query("DELETE FROM {". $table ."} WHERE expire != %d AND expire <= %d", CACHE_PERMANENT, $cache_flush);
variable_set('cache_flush', 0);
}
$cache = db_fetch_object(db_query("SELECT data, created, headers, expire FROM {". $table ."} WHERE cid = '%s'", $key));