Merge "Add $wgMaxUserDBWriteDuration to limit user-generated transactions"

diff --combined autoload.php
index 4e8b4e6,e354584..ed765b0
--- 1/autoload.php
--- 2/autoload.php
+++ b/autoload.php
@@@ -228,6 -228,7 +228,6 @@@ $wgAutoloadLocalClasses = array
        'CleanupPreferences' => __DIR__ . '/maintenance/cleanupPreferences.php',
        'CleanupRemovedModules' => __DIR__ . '/maintenance/cleanupRemovedModules.php',
        'CleanupSpam' => __DIR__ . '/maintenance/cleanupSpam.php',
 -      'ClearCacheStats' => __DIR__ . '/maintenance/clearCacheStats.php',
        'ClearInterwikiCache' => __DIR__ . '/maintenance/clearInterwikiCache.php',
        'CliInstaller' => __DIR__ . '/includes/installer/CliInstaller.php',
        'CloneDatabase' => __DIR__ . '/includes/db/CloneDatabase.php',
@@@ -288,6 -289,7 +288,7 @@@
        'DBQueryError' => __DIR__ . '/includes/db/DatabaseError.php',
        'DBReadOnlyError' => __DIR__ . '/includes/db/DatabaseError.php',
        'DBSiteStore' => __DIR__ . '/includes/site/DBSiteStore.php',
+       'DBTransactionError' => __DIR__ . '/includes/db/DatabaseError.php',
        'DBUnexpectedError' => __DIR__ . '/includes/db/DatabaseError.php',
        'DataUpdate' => __DIR__ . '/includes/deferred/DataUpdate.php',
        'Database' => __DIR__ . '/includes/db/Database.php',
@@@ -721,6 -723,7 +722,6 @@@
        'MWDocGen' => __DIR__ . '/maintenance/mwdocgen.php',
        'MWException' => __DIR__ . '/includes/exception/MWException.php',
        'MWExceptionHandler' => __DIR__ . '/includes/exception/MWExceptionHandler.php',
 -      'MWHookException' => __DIR__ . '/includes/Hooks.php',
        'MWHttpRequest' => __DIR__ . '/includes/HttpFunctions.php',
        'MWMemcached' => __DIR__ . '/includes/compat/MemcachedClientCompat.php',
        'MWMessagePack' => __DIR__ . '/includes/libs/MWMessagePack.php',
@@@ -1104,6 -1107,7 +1105,6 @@@
        'SevenZipStream' => __DIR__ . '/maintenance/7zip.inc',
        'ShiConverter' => __DIR__ . '/languages/classes/LanguageShi.php',
        'ShortPagesPage' => __DIR__ . '/includes/specials/SpecialShortpages.php',
 -      'ShowCacheStats' => __DIR__ . '/maintenance/showCacheStats.php',
        'ShowJobs' => __DIR__ . '/maintenance/showJobs.php',
        'ShowSiteStats' => __DIR__ . '/maintenance/showSiteStats.php',
        'Site' => __DIR__ . '/includes/site/Site.php',
@@@ -1235,6 -1239,7 +1236,6 @@@
        'SwiftVirtualRESTService' => __DIR__ . '/includes/libs/virtualrest/SwiftVirtualRESTService.php',
        'SyncFileBackend' => __DIR__ . '/maintenance/syncFileBackend.php',
        'TableCleanup' => __DIR__ . '/maintenance/cleanupTable.inc',
 -      'TableCleanupTest' => __DIR__ . '/maintenance/cleanupTable.inc',
        'TableDiffFormatter' => __DIR__ . '/includes/diff/TableDiffFormatter.php',
        'TablePager' => __DIR__ . '/includes/pager/TablePager.php',
        'TagLogFormatter' => __DIR__ . '/includes/logging/TagLogFormatter.php',

diff --combined languages/i18n/en.json
index 4d66f44,b9b1382..70a2b80
--- 1/languages/i18n/en.json
--- 2/languages/i18n/en.json
+++ b/languages/i18n/en.json
@@@ -316,6 -316,7 +316,7 @@@
        "databaseerror-query": "Query: $1",
        "databaseerror-function": "Function: $1",
        "databaseerror-error": "Error: $1",
+       "transaction-duration-limit-exceeded": "In order to avoid creating high replication lag, this transaction was aborted because the write duration ($1) exceeded the $2 second limit.\nIf you are changing many items at once, trying doing multiple smaller operations instead.",
        "laggedslavemode": "<strong>Warning:</strong> Page may not contain recent updates.",
        "readonly": "Database locked",
        "enterlockreason": "Enter a reason for the lock, including an estimate of when the lock will be released",
@@@ -1929,7 -1930,7 +1930,7 @@@
        "wlshowlast": "Show last $1 hours $2 days",
        "watchlistall2": "all",
        "watchlist-hide": "Hide",
 -      "wlshowtime": "Show last:",
 +      "wlshowtime": "Period of time to display:",
        "wlshowhideminor": "minor edits",
        "wlshowhidebots": "bots",
        "wlshowhideliu": "registered users",
@@@ -2631,7 -2632,6 +2632,6 @@@
        "spam_blanking": "All revisions contained links to $1, blanking",
        "spam_deleting": "All revisions contained links to $1, deleting",
        "simpleantispam-label": "Anti-spam check.\nDo <strong>not</strong> fill this in!",
-       "autochange-username": "MediaWiki automatic change",
        "pageinfo-header": "-",
        "pageinfo-title": "Information for \"$1\"",
        "pageinfo-not-current": "Sorry, it's impossible to provide this information for old revisions.",

diff --combined languages/i18n/qqq.json
index b8e7791,c93c2eb..fc72a4b
--- 1/languages/i18n/qqq.json
--- 2/languages/i18n/qqq.json
+++ b/languages/i18n/qqq.json
@@@ -173,8 -173,7 +173,8 @@@
                        "TTO",
                        "J. 'mach' wust",
                        "Ciencia Al Poder",
 -                      "Aursani"
 +                      "Aursani",
 +                      "Robin van der Vliet"
                ]
        },
        "sidebar": "{{notranslate}}",
@@@ -491,6 -490,7 +491,7 @@@
        "databaseerror-query": "Identifies, in the list of technical details, the [[wikipedia:SQL|SQL]] statement that failed.\nParameters:\n* $1 - SQL statement (shown within a box)\n{{Identical|Query}}",
        "databaseerror-function": "Identifies, in the list of technical details, the function that tried to execute the database query.\nParameters:\n* $1 - Name of function\n{{Identical|Function}}",
        "databaseerror-error": "Identifies, in the list of technical details, the error message the database server returned.\nParameters:\n* $1 - Error message from the database server, probably in English\n{{Identical|Error}}",
+       "transaction-duration-limit-exceeded": "Plain text error shown when DB updates take too long. Parameters:\n* $1 - time spent in database updates\n* $2 - maximum time allowed in database updates",
        "laggedslavemode": "Used as warning when getting the timestamp of the latest version, if in LaggedSlaveMode.",
        "readonly": "Used as title of error message when database is locked.",
        "enterlockreason": "For developers when locking the database",