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author | Dries Buytaert <dries@buytaert.net> | 2011-02-24 12:09:59 +0000 |
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committer | Dries Buytaert <dries@buytaert.net> | 2011-02-24 12:09:59 +0000 |
commit | 80aacdb000b36bf87185eda0de960086f31ae2fe (patch) | |
tree | 382a60b65d47cdb853dc7c26a5718c1727cd9924 | |
parent | b3094a0b7605dffa1e695ad72b3da04208a2d2a8 (diff) | |
download | brdo-80aacdb000b36bf87185eda0de960086f31ae2fe.tar.gz brdo-80aacdb000b36bf87185eda0de960086f31ae2fe.tar.bz2 |
- Patch #1064212 by catch: page caching performance has regressed by 30-40%.
-rw-r--r-- | includes/cache.inc | 13 | ||||
-rw-r--r-- | includes/module.inc | 3 | ||||
-rw-r--r-- | modules/system/system.api.php | 2 |
3 files changed, 13 insertions, 5 deletions
diff --git a/includes/cache.inc b/includes/cache.inc index 21630617d..2b150ffd9 100644 --- a/includes/cache.inc +++ b/includes/cache.inc @@ -325,10 +325,15 @@ class DrupalDatabaseCache implements DrupalCacheInterface { try { // Garbage collection necessary when enforcing a minimum cache lifetime. $this->garbageCollection($this->bin); - $query = db_select($this->bin); - $query->fields($this->bin, array('cid', 'data', 'created', 'expire', 'serialized')); - $query->condition($this->bin . '.cid', $cids, 'IN'); - $result = $query->execute(); + + // When serving cached pages, the overhead of using db_select() was found + // to add around 30% overhead to the request. Since $this->bin is a + // variable, this means the call to db_query() here uses a concatenated + // string. This is highly discouraged under any other circumstances, and + // is used here only due to the performance overhead we would incur + // otherwise. When serving an uncached page, the overhead of using + // db_select() is a much smaller proportion of the request. + $result = db_query('SELECT cid, data, created, expire, serialized FROM {' . db_escape_table($this->bin) . '} WHERE cid IN (:cids)', array(':cids' => $cids)); $cache = array(); foreach ($result as $item) { $item = $this->prepareItem($item); diff --git a/includes/module.inc b/includes/module.inc index 14b394cc7..9807acd48 100644 --- a/includes/module.inc +++ b/includes/module.inc @@ -127,6 +127,9 @@ function system_list($type) { // if not fetch only the required information to fire bootstrap hooks // in case we are going to serve the page from cache. if ($type == 'bootstrap') { + if (isset($lists['bootstrap'])) { + return $lists['bootstrap']; + } if ($cached = cache_get('bootstrap_modules', 'cache_bootstrap')) { $bootstrap_list = $cached->data; } diff --git a/modules/system/system.api.php b/modules/system/system.api.php index 92ca1e937..85e013824 100644 --- a/modules/system/system.api.php +++ b/modules/system/system.api.php @@ -2552,7 +2552,7 @@ function hook_file_load($files) { * * @see file_validate() */ -function hook_file_validate(&$file) { +function hook_file_validate($file) { $errors = array(); if (empty($file->filename)) { |