Sorting Derailleurs
The difference between a front and rear derailer is clear if you know which is which. Here is a picture of each; a front derailer on top, and a rear below it.
The difference between a front and rear derailer is clear if you know which is which. Here is a picture of each; a front derailer on top, and a rear below it.
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(end headers)[session] SessionManager using store APCUBagOStuff[localisation] LocalisationCache using store LCStoreCDB[session] SessionBackend "c1ulqu8uomfqksgq0gc85fr1gpddp5np" is unsaved, marking dirty in constructor[session] SessionBackend "c1ulqu8uomfqksgq0gc85fr1gpddp5np" save: dataDirty=1 metaDirty=1 forcePersist=0[cookie] already deleted setcookie: "bikebike_mw__session", "", "1706469536", "/", "", "1", "1", ""[cookie] already deleted setcookie: "bikebike_mw_UserID", "", "1706469536", "/", "", "1", "1", ""[cookie] already deleted setcookie: "bikebike_mw_Token", "", "1706469536", "/", "", "1", "1", ""[cookie] already deleted setcookie: "forceHTTPS", "", "1706469536", "/", "", "", "1", ""[session] SessionBackend "c1ulqu8uomfqksgq0gc85fr1gpddp5np" 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 "c1ulqu8uomfqksgq0gc85fr1gpddp5np" 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 {
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}[DBReplication] ChronologyProtector using store APCUBagOStuff[DBReplication] ChronologyProtector fetching positions for 00aba87f0d2b34d22fa7da60bd405aff[DBReplication] found position data with index 2[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 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((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[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] 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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 rcache[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 = 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`mw_slots` JOIN `mw_content` ON ((slot_content_id = content_id)) WHERE slot_revision_id = 1916[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: reused a connection for local/0[DBQuery] MediaWiki\Storage\SqlBlobStore::fetchBlobs [0.001s] database_staging: SELECT old_id,old_text,old_flags FROM `mw_text` WHERE old_id = 1916[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 [0s] 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 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imTransformationalImageHandler::doTransform: returning unscaled imageFile::transform: Doing stat for mwstore://local-backend/local-thumb/f/ff/Fder.jpg/640px-Fder.jpgTransformationalImageHandler::doTransform: creating 640x578 thumbnail at /tmp/transform_0887eba13bf7.jpg using scaler imTransformationalImageHandler::doTransform: returning unscaled image[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 [0s] 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/640px-Rderfront.jpg[FileOperation] FileBackendStore::ingestFreshFileStats: File mwstore://local-backend/local-thumb/2/2d/Rderfront.jpg/640px-Rderfront.jpg does not existTransformationalImageHandler::doTransform: creating 640x726 thumbnail at /tmp/transform_0b4585739266.jpg using scaler imTransformationalImageHandler::doTransform: returning unscaled imageFile::transform: Doing stat for mwstore://local-backend/local-thumb/2/2d/Rderfront.jpg/640px-Rderfront.jpgTransformationalImageHandler::doTransform: creating 640x726 thumbnail at /tmp/transform_b17f93dfce2d.jpg using scaler imTransformationalImageHandler::doTransform: returning unscaled imageFile::transform: Doing stat for mwstore://local-backend/local-thumb/2/2d/Rderfront.jpg/640px-Rderfront.jpgTransformationalImageHandler::doTransform: creating 640x726 thumbnail at /tmp/transform_b512df183510.jpg using scaler imTransformationalImageHandler::doTransform: returning unscaled image[DBQuery] MediaWiki::preOutputCommit [0s] database_staging: COMMITMediaWiki::preOutputCommit: primary transaction round committed[DeferredUpdates] DeferredUpdates::run: started MWCallableUpdate_WikiPage->doViewUpdates #680[DeferredUpdates] DeferredUpdates::run: ended MWCallableUpdate_WikiPage->doViewUpdates #680, processing time: 7.8916549682617E-5MediaWiki::preOutputCommit: pre-send deferred updates completedMediaWiki::preOutputCommit: session changes committed[DBReplication] Wikimedia\Rdbms\ChronologyProtector::persistSessionReplicationPositions: no primary positions/timestamps to 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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