The difference between a front and rear derailer is clear if you know which is which.
Start request GET /wiki/index.php?oldid=1919&title=Sorting_Derailleurs
IP: 172.18.0.2
HTTP HEADERS:
ACCEPT-ENCODING: gzip, br, zstd, deflate
USER-AGENT: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
ACCEPT: */*
X-ORIGINAL-URI: /wiki/index.php?oldid=1919&title=Sorting_Derailleurs
X-FORWARDED-PORT: 443
X-FORWARDED-SSL: on
X-FORWARDED-PROTO: https
X-FORWARDED-FOR: 18.222.15.173
X-REAL-IP: 18.222.15.173
CONNECTION: close
HOST: wiki2.bikelover.org
CONTENT-LENGTH:
CONTENT-TYPE:
(end headers)[session] SessionManager using store APCUBagOStuff[localisation] LocalisationCache using store LCStoreCDB[session] SessionBackend "d43u8o2hjnr0k1gnh8dklt6a8bu62ni2" is unsaved, marking dirty in constructor[session] SessionBackend "d43u8o2hjnr0k1gnh8dklt6a8bu62ni2" save: dataDirty=1 metaDirty=1 forcePersist=0[cookie] already deleted setcookie: "bikebike_mw__session", "", "1706417729", "/", "", "1", "1", ""[cookie] already deleted setcookie: "bikebike_mw_UserID", "", "1706417729", "/", "", "1", "1", ""[cookie] already deleted setcookie: "bikebike_mw_Token", "", "1706417729", "/", "", "1", "1", ""[cookie] already deleted setcookie: "forceHTTPS", "", "1706417729", "/", "", "", "1", ""[session] SessionBackend "d43u8o2hjnr0k1gnh8dklt6a8bu62ni2" data dirty due to dirty(): MediaWiki\Session\SessionManager->getSessionForRequest/MediaWiki\Session\SessionManager->getInitialSession/MediaWiki\Session\Session->getToken/MediaWiki\Session\Session->set/MediaWiki\Session\SessionBackend->dirty[session] SessionBackend "d43u8o2hjnr0k1gnh8dklt6a8bu62ni2" save: dataDirty=1 metaDirty=0 forcePersist=0[DBQuery] Wikimedia\Rdbms\DatabaseMysqlBase::open [0s] database_staging: SET group_concat_max_len = 262144, `sql_mode` = ''[DBReplication] Wikimedia\Rdbms\LBFactory::getChronologyProtector: request info {
"IPAddress": "172.18.0.2",
"UserAgent": "Mozilla\/5.0 AppleWebKit\/537.36 (KHTML, like Gecko; compatible; ClaudeBot\/1.0; +claudebot@anthropic.com)",
"ChronologyProtection": false,
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}[DBReplication] ChronologyProtector using store APCUBagOStuff[DBReplication] ChronologyProtector fetching positions for 00aba87f0d2b34d22fa7da60bd405aff[DBReplication] Wikimedia\Rdbms\ChronologyProtector::applySessionReplicationPosition: DEFAULT (database_staging) has no position[DBConnection] Wikimedia\Rdbms\LoadBalancer::lazyLoadReplicationPositions: executed chronology callback.[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: opened new connection for local/0[DBQuery] Wikimedia\Rdbms\Database::beginIfImplied (MediaWiki\Revision\RevisionStore::fetchRevisionRowFromConds) [0s] database_staging: BEGIN[DBQuery] MediaWiki\Revision\RevisionStore::fetchRevisionRowFromConds [0s] database_staging: SELECT rev_id,rev_page,rev_timestamp,rev_minor_edit,rev_deleted,rev_len,rev_parent_id,rev_sha1,comment_rev_comment.comment_text AS `rev_comment_text`,comment_rev_comment.comment_data AS `rev_comment_data`,comment_rev_comment.comment_id AS `rev_comment_cid`,actor_rev_user.actor_user AS `rev_user`,actor_rev_user.actor_name AS `rev_user_text`,rev_actor,page_namespace,page_title,page_id,page_latest,page_is_redirect,page_len,user_name FROM `mw_revision` JOIN `mw_revision_comment_temp` `temp_rev_comment` ON ((temp_rev_comment.revcomment_rev = rev_id)) JOIN `mw_comment` `comment_rev_comment` ON ((comment_rev_comment.comment_id = temp_rev_comment.revcomment_comment_id)) JOIN `mw_actor` `actor_rev_user` ON ((actor_rev_user.actor_id = rev_actor)) JOIN `mw_page` ON ((page_id = rev_page)) LEFT JOIN `mw_user` ON ((actor_rev_user.actor_user != 0) AND (user_id = actor_rev_user.actor_user)) WHERE rev_id = 1919 LIMIT 1[SQLBagOStuff] MainObjectStash using store ReplicatedBagOStuff[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] WikiPage::pageData [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_random,page_touched,page_links_updated,page_latest,page_len,page_content_model FROM `mw_page` WHERE page_namespace = 0 AND page_title = 'Sorting_Derailleurs' LIMIT 1[ContentHandler] Registered handler for wikitext: WikitextContentHandler[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Revision\RevisionStore::fetchRevisionRowFromConds [0s] database_staging: SELECT rev_id,rev_page,rev_timestamp,rev_minor_edit,rev_deleted,rev_len,rev_parent_id,rev_sha1,comment_rev_comment.comment_text AS `rev_comment_text`,comment_rev_comment.comment_data AS `rev_comment_data`,comment_rev_comment.comment_id AS `rev_comment_cid`,actor_rev_user.actor_user AS `rev_user`,actor_rev_user.actor_name AS `rev_user_text`,rev_actor,page_namespace,page_title,page_id,page_latest,page_is_redirect,page_len,user_name FROM `mw_revision` JOIN `mw_revision_comment_temp` `temp_rev_comment` ON ((temp_rev_comment.revcomment_rev = rev_id)) JOIN `mw_comment` `comment_rev_comment` ON ((comment_rev_comment.comment_id = temp_rev_comment.revcomment_comment_id)) JOIN `mw_actor` `actor_rev_user` ON ((actor_rev_user.actor_id = rev_actor)) JOIN `mw_page` ON ((page_id = rev_page)) LEFT JOIN `mw_user` ON ((actor_rev_user.actor_user != 0) AND (user_id = actor_rev_user.actor_user)) WHERE rev_id = 1919 LIMIT 1[MessageCache] MessageCache using store APCUBagOStuff[MessageCache] MessageCache::loadUnguarded: Loading en... got from local cacheParserFactory: using default preprocessorContextSource::getContext (MediaWiki\Skins\Vector\SkinVector22): called and $context is null. Using RequestContext::getMain()[ParserCache] Creating ParserCache instance for pcache[ParserCache] Creating RevisionOutputCache instance for rcacheUnstubbing $wgLang on call of $wgLang::getDatePreferenceMigrationMap from Language->internalUserTimeAndDate[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Page\PageStore::getPageByNameViaLinkCache [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_touched,page_links_updated,page_latest,page_len,page_content_model FROM `mw_page` WHERE page_namespace = 2 AND page_title = 'Jonathan' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Page\PageStore::getPageByNameViaLinkCache [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_touched,page_links_updated,page_latest,page_len,page_content_model FROM `mw_page` WHERE page_namespace = 3 AND page_title = 'Jonathan' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Revision\RevisionStore::getRelativeRevision [0s] database_staging: SELECT rev_id FROM `mw_revision` IGNORE INDEX (rev_timestamp) WHERE rev_page = 1604 AND (rev_timestamp < '20061226180724' OR (rev_timestamp = '20061226180724' AND rev_id < 1919 )) ORDER BY rev_timestamp DESC,rev_id DESC LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Revision\RevisionStore::fetchRevisionRowFromConds [0s] database_staging: SELECT rev_id,rev_page,rev_timestamp,rev_minor_edit,rev_deleted,rev_len,rev_parent_id,rev_sha1,comment_rev_comment.comment_text AS `rev_comment_text`,comment_rev_comment.comment_data AS `rev_comment_data`,comment_rev_comment.comment_id AS `rev_comment_cid`,actor_rev_user.actor_user AS `rev_user`,actor_rev_user.actor_name AS `rev_user_text`,rev_actor,page_namespace,page_title,page_id,page_latest,page_is_redirect,page_len,user_name FROM `mw_revision` JOIN `mw_revision_comment_temp` `temp_rev_comment` ON ((temp_rev_comment.revcomment_rev = rev_id)) JOIN `mw_comment` `comment_rev_comment` ON ((comment_rev_comment.comment_id = temp_rev_comment.revcomment_comment_id)) JOIN `mw_actor` `actor_rev_user` ON ((actor_rev_user.actor_id = rev_actor)) JOIN `mw_page` ON ((page_id = rev_page)) LEFT JOIN `mw_user` ON ((actor_rev_user.actor_user != 0) AND (user_id = actor_rev_user.actor_user)) WHERE rev_id = 1916 LIMIT 1Article::generateContentOutput: doing uncached parse[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Revision\RevisionStore::loadSlotRecordsFromDb [0s] database_staging: SELECT slot_revision_id,slot_content_id,slot_origin,slot_role_id,content_size,content_sha1,content_address,content_model FROM `mw_slots` JOIN `mw_content` ON ((slot_content_id = content_id)) WHERE slot_revision_id = 1919[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] LocalFile::loadFromDB [0.001s] database_staging: SELECT img_name,img_size,img_width,img_height,img_metadata,img_bits,img_media_type,img_major_mime,img_minor_mime,img_timestamp,img_sha1,img_actor,image_actor.actor_user AS `img_user`,image_actor.actor_name AS `img_user_text`,comment_img_description.comment_text AS `img_description_text`,comment_img_description.comment_data AS `img_description_data`,comment_img_description.comment_id AS `img_description_cid`,img_metadata FROM `mw_image` JOIN `mw_actor` `image_actor` ON ((actor_id=img_actor)) JOIN `mw_comment` `comment_img_description` ON ((comment_img_description.comment_id = img_description_id)) WHERE img_name = 'Fder.jpg' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0File::transform: Doing stat for mwstore://local-backend/local-thumb/f/ff/Fder.jpg/300px-Fder.jpgTransformationalImageHandler::doTransform: creating 300x271 thumbnail at mwstore://local-backend/local-thumb/f/ff/Fder.jpg/300px-Fder.jpg using scaler imTransformationalImageHandler::doTransform: Transforming later per flags.File::transform: Doing stat for mwstore://local-backend/local-thumb/f/ff/Fder.jpg/450px-Fder.jpgTransformationalImageHandler::doTransform: creating 450x406 thumbnail at mwstore://local-backend/local-thumb/f/ff/Fder.jpg/450px-Fder.jpg using scaler imTransformationalImageHandler::doTransform: Transforming later per flags.File::transform: Doing stat for mwstore://local-backend/local-thumb/f/ff/Fder.jpg/600px-Fder.jpgTransformationalImageHandler::doTransform: creating 600x542 thumbnail at mwstore://local-backend/local-thumb/f/ff/Fder.jpg/600px-Fder.jpg using scaler imTransformationalImageHandler::doTransform: Transforming later per flags.[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] LocalFile::loadFromDB [0.001s] database_staging: SELECT img_name,img_size,img_width,img_height,img_metadata,img_bits,img_media_type,img_major_mime,img_minor_mime,img_timestamp,img_sha1,img_actor,image_actor.actor_user AS `img_user`,image_actor.actor_name AS `img_user_text`,comment_img_description.comment_text AS `img_description_text`,comment_img_description.comment_data AS `img_description_data`,comment_img_description.comment_id AS `img_description_cid`,img_metadata FROM `mw_image` JOIN `mw_actor` `image_actor` ON ((actor_id=img_actor)) JOIN `mw_comment` `comment_img_description` ON ((comment_img_description.comment_id = img_description_id)) WHERE img_name = 'Rderfront.jpg' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0File::transform: Doing stat for mwstore://local-backend/local-thumb/2/2d/Rderfront.jpg/300px-Rderfront.jpgTransformationalImageHandler::doTransform: creating 300x340 thumbnail at mwstore://local-backend/local-thumb/2/2d/Rderfront.jpg/300px-Rderfront.jpg using scaler imTransformationalImageHandler::doTransform: Transforming later per flags.File::transform: Doing stat for mwstore://local-backend/local-thumb/2/2d/Rderfront.jpg/450px-Rderfront.jpgTransformationalImageHandler::doTransform: creating 450x510 thumbnail at mwstore://local-backend/local-thumb/2/2d/Rderfront.jpg/450px-Rderfront.jpg using scaler imTransformationalImageHandler::doTransform: Transforming later per flags.File::transform: Doing stat for mwstore://local-backend/local-thumb/2/2d/Rderfront.jpg/600px-Rderfront.jpgTransformationalImageHandler::doTransform: creating 600x681 thumbnail at mwstore://local-backend/local-thumb/2/2d/Rderfront.jpg/600px-Rderfront.jpg using scaler imTransformationalImageHandler::doTransform: Transforming later per flags.[DBQuery] MediaWiki::preOutputCommit [0s] database_staging: COMMITMediaWiki::preOutputCommit: primary transaction round committed[DeferredUpdates] DeferredUpdates::run: started MWCallableUpdate_WikiPage->doViewUpdates #693[DeferredUpdates] DeferredUpdates::run: ended MWCallableUpdate_WikiPage->doViewUpdates #693, processing time: 9.608268737793E-5MediaWiki::preOutputCommit: pre-send deferred updates completedMediaWiki::preOutputCommit: session changes committed[DBReplication] Wikimedia\Rdbms\ChronologyProtector::persistSessionReplicationPositions: no primary positions/timestamps to save[DBReplication] Wikimedia\Rdbms\LBFactory::shutdown: finished ChronologyProtector shutdown[DBReplication] LBFactory shutdown completedOutputPage::haveCacheVaryCookies: no cache-varying cookies found[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] Wikimedia\Rdbms\Database::beginIfImplied (LinkBatch::doQuery (for Skin::preloadExistence)) [0s] database_staging: BEGIN[DBQuery] LinkBatch::doQuery (for Skin::preloadExistence) [0s] database_staging: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_latest,page_touched,page_len,page_content_model FROM `mw_page` WHERE (page_namespace = 1 AND page_title = 'Sorting_Derailleurs')[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\User\TalkPageNotificationManager::dbCheckNewUserMessages [0s] database_staging: SELECT user_ip FROM `mw_user_newtalk` WHERE user_ip = '172.18.0.2' LIMIT 1[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Permissions\RestrictionStore::loadRestrictions [0s] database_staging: SELECT pr_type,pr_expiry,pr_level,pr_cascade FROM `mw_page_restrictions` WHERE pr_page = 1604[gitinfo] Candidate cacheFile=/var/www/html/w/gitinfo.json for /var/www/html/w[gitinfo] Cache incomplete for /var/www/html/w