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Merge pull request #9979 from annando/less-blocking 

Reduce blocks when removing orphans
This commit is contained in:
Hypolite Petovan 2021-03-03 08:40:25 -05:00 committed by GitHub
parent 501e0b398f 4a991f0189
commit 1e996af321
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 97 additions and 25 deletions
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116
src/Worker/ExpirePosts.php
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@ -23,6 +23,7 @@ namespace Friendica\Worker;
use Friendica\Core\Logger;
use Friendica\Core\Worker;
use Friendica\Database\Database;
use Friendica\Database\DBA;
use Friendica\Database\DBStructure;
use Friendica\DI;
@ -40,10 +41,16 @@ class ExpirePosts
{
self::deleteExpiredOriginPosts();
self::deleteOrphanedEntries();
self::deleteUnusedItemUri();
self::deleteExpiredExternalPosts();
if (DI::config()->get('system', 'add_missing_posts')) {
self::addMissingEntries();
}
// Set the expiry for origin posta
Worker::add(PRIORITY_LOW, 'Expire');
@ -58,40 +65,102 @@ class ExpirePosts
*/
private static function deleteExpiredOriginPosts()
{
Logger::info('Delete expired posts');
Logger::notice('Delete expired posts');
// physically remove anything that has been deleted for more than two months
$condition = ["`gravity` = ? AND `deleted` AND `changed` < UTC_TIMESTAMP() - INTERVAL 60 DAY", GRAVITY_PARENT];
$rows = Post::select(['guid', 'uri-id', 'uid'], $condition);
while ($row = Post::fetch($rows)) {
Logger::info('Delete expired item', ['uri-id' => $row['uri-id'], 'guid' => $row['guid']]);
if (DBStructure::existsTable('item')) {
DBA::delete('item', ['parent-uri-id' => $row['uri-id'], 'uid' => $row['uid']]);
}
Post\User::delete(['parent-uri-id' => $row['uri-id'], 'uid' => $row['uid']]);
}
DBA::close($rows);
Logger::info('Deleting orphaned post entries - start');
$condition = ["NOT EXISTS (SELECT `uri-id` FROM `post-user` WHERE `post-user`.`uri-id` = `post`.`uri-id`)"];
DBA::delete('post', $condition);
Logger::info('Orphaned post entries deleted', ['rows' => DBA::affectedRows()]);
Logger::notice('Delete expired posts - done');
}
Logger::info('Deleting orphaned post-content entries - start');
$condition = ["NOT EXISTS (SELECT `uri-id` FROM `post-user` WHERE `post-user`.`uri-id` = `post-content`.`uri-id`)"];
DBA::delete('post-content', $condition);
Logger::info('Orphaned post-content entries deleted', ['rows' => DBA::affectedRows()]);
/**
* Delete orphaned entries in the post related tables
*
* @return void
*/
private static function deleteOrphanedEntries()
{
Logger::notice('Delete orphaned entries');
Logger::info('Deleting orphaned post-thread entries - start');
$condition = ["NOT EXISTS (SELECT `uri-id` FROM `post-user` WHERE `post-user`.`uri-id` = `post-thread`.`uri-id`)"];
DBA::delete('post-thread', $condition);
Logger::info('Orphaned post-thread entries deleted', ['rows' => DBA::affectedRows()]);
// "post-user" is the leading table. So we delete every entry that isn't found there
$tables = ['item', 'post', 'post-content', 'post-thread', 'post-thread-user'];
foreach ($tables as $table) {
if (($table == 'item') && !DBStructure::existsTable('item')) {
continue;
}
Logger::info('Deleting orphaned post-thread-user entries - start');
$condition = ["NOT EXISTS (SELECT `uri-id` FROM `post-user` WHERE `post-user`.`uri-id` = `post-thread-user`.`uri-id`)"];
DBA::delete('post-thread-user', $condition);
Logger::info('Orphaned post-thread-user entries deleted', ['rows' => DBA::affectedRows()]);
Logger::notice('Start collecting orphaned entries', ['table' => $table]);
$uris = DBA::select($table, ['uri-id'], ["NOT `uri-id` IN (SELECT `uri-id` FROM `post-user`)"]);
$affected_count = 0;
Logger::notice('Deleting orphaned entries - start', ['table' => $table]);
while ($rows = DBA::toArray($uris, false, 100)) {
$ids = array_column($rows, 'uri-id');
DBA::delete($table, ['uri-id' => $ids]);
$affected_count += DBA::affectedRows();
}
DBA::close($uris);
Logger::notice('Orphaned entries deleted', ['table' => $table, 'rows' => $affected_count]);
}
Logger::notice('Delete orphaned entries - done');
}
Logger::info('Delete expired posts - done');
/**
* Add missing entries in some post related tables
*
* @return void
*/
private static function addMissingEntries()
{
Logger::notice('Adding missing entries');
$rows = 0;
$userposts = DBA::select('post-user', [], ["`uri-id` not in (select `uri-id` from `post`)"], ['group_by' => ['uri-id']]);
while ($fields = DBA::fetch($userposts)) {
$post_fields = DBStructure::getFieldsForTable('post', $fields);
DBA::insert('post', $post_fields, Database::INSERT_IGNORE);
$rows++;
}
DBA::close($userposts);
if ($rows > 0) {
Logger::notice('Added post entries', ['rows' => $rows]);
} else {
Logger::notice('No post entries added');
}
$rows = 0;
$userposts = DBA::select('post-user', [], ["`gravity` = ? AND `uri-id` not in (select `uri-id` from `post-thread`)", GRAVITY_PARENT], ['group_by' => ['uri-id']]);
while ($fields = DBA::fetch($userposts)) {
$post_fields = DBStructure::getFieldsForTable('post-thread', $fields);
$post_fields['commented'] = $post_fields['changed'] = $post_fields['created'];
DBA::insert('post-thread', $post_fields, Database::INSERT_IGNORE);
$rows++;
}
DBA::close($userposts);
if ($rows > 0) {
Logger::notice('Added post-thread entries', ['rows' => $rows]);
} else {
Logger::notice('No post-thread entries added');
}
$rows = 0;
$userposts = DBA::select('post-user', [], ["`gravity` = ? AND `id` not in (select `post-user-id` from `post-thread-user`)", GRAVITY_PARENT]);
while ($fields = DBA::fetch($userposts)) {
$post_fields = DBStructure::getFieldsForTable('post-thread-user', $fields);
$post_fields['commented'] = $post_fields['changed'] = $post_fields['created'];
DBA::insert('post-thread-user', $post_fields, Database::INSERT_IGNORE);
$rows++;
}
DBA::close($userposts);
if ($rows > 0) {
Logger::notice('Added post-thread-user entries', ['rows' => $rows]);
} else {
Logger::notice('No post-thread-user entries added');
}
}
/**
@ -99,8 +168,6 @@ class ExpirePosts
*/
private static function deleteUnusedItemUri()
{
$a = DI::app();
// We have to avoid deleting newly created "item-uri" entries.
// So we fetch a post that had been stored yesterday and only delete older ones.
$item = Post::selectFirst(['uri-id'], ["`uid` = ? AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY", 0, 1],
@ -109,13 +176,14 @@ class ExpirePosts
Logger::warning('No item with uri-id found - we better quit here');
return;
}
Logger::notice('Start deleting orphaned URI-ID', ['last-id' => $item['uri-id']]);
Logger::notice('Start collecting orphaned URI-ID', ['last-id' => $item['uri-id']]);
$uris = DBA::select('item-uri', ['id'], ["`id` < ?
AND NOT EXISTS(SELECT `uri-id` FROM `post` WHERE `uri-id` = `item-uri`.`id`)
AND NOT EXISTS(SELECT `parent-uri-id` FROM `post` WHERE `parent-uri-id` = `item-uri`.`id`)
AND NOT EXISTS(SELECT `thr-parent-id` FROM `post` WHERE `thr-parent-id` = `item-uri`.`id`)
AND NOT EXISTS(SELECT `external-id` FROM `post` WHERE `external-id` = `item-uri`.`id`)", $item['uri-id']]);
Logger::notice('Start deleting orphaned URI-ID', ['last-id' => $item['uri-id']]);
$affected_count = 0;
while ($rows = DBA::toArray($uris, false, 100)) {
$ids = array_column($rows, 'id');

2
src/Worker/UpdateContacts.php
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@ -101,7 +101,7 @@ class UpdateContacts
*/
private static function getContactsToUpdate(array $condition, array $ids = [], int $limit)
{
$contacts = DBA::select('contact', ['id'], $condition, ['limit' => $limit, 'order' => ['last-update']]);
$contacts = DBA::select('contact', ['id'], $condition, ['limit' => $limit]);
while ($contact = DBA::fetch($contacts)) {
$ids[$contact['id']] = $contact['id'];
}

4
static/settings.config.php
View File

@ -56,6 +56,10 @@ return [
// Manual list of addons which are enabled on this system.
'addon' => '',
// add_missing_posts (boolean)
// Checks for missing entries in "post", "post-thread" or "post-thread-user" and creates them
'add_missing_posts' => false,
// allowed_themes (Comma-separated list)
// Themes users can change to in their settings.
'allowed_themes' => 'frio,quattro,vier,duepuntozero,smoothly',