cumin2024@dbstore1008.eqiad.wmnet[metawiki]> EXPLAIN SELECT      rc_id,     rc_timestamp,     rc_namespace,     rc_title,     rc_minor,     rc_bot,     rc_new,     rc_cur_id,     rc_this_oldid,     rc_last_oldid,     rc_type,     rc_source,     rc_patrolled,     rc_ip,     rc_old_len,     rc_new_len,     rc_deleted,     rc_logid,     rc_log_type,     rc_log_action,     rc_params,     rc_actor,     recentchanges_actor.actor_user AS `rc_user`,     recentchanges_actor.actor_name AS `rc_user_text`,     comment_rc_comment.comment_text AS `rc_comment_text`,     comment_rc_comment.comment_data AS `rc_comment_data`,     comment_rc_comment.comment_id AS `rc_comment_cid`,     rc_title,     rc_namespace,     wl_user,     wl_notificationtimestamp,     we_expiry,     page_latest,     (SELECT GROUP_CONCAT(ctd_name SEPARATOR ',')       FROM `change_tag`       JOIN `change_tag_def` ON (ct_tag_id = ctd_id)       WHERE ct_rc_id = rc_id) AS `ts_tags` FROM `recentchanges` STRAIGHT_JOIN `actor` `recentchanges_actor` ON (actor_id = rc_actor) LEFT JOIN `comment` `comment_rc_comment` ON (comment_id = rc_comment_id) LEFT JOIN `watchlist` ON (wl_user = 2134281 AND wl_title = rc_title AND wl_namespace = rc_namespace) LEFT JOIN `watchlist_expiry` ON (wl_id = we_item) LEFT JOIN `page` ON (rc_cur_id = page_id) WHERE actor_user IS NOT NULL AND rc_bot = 0  AND rc_type != 6  AND rc_source != 'wb'  AND rc_namespace NOT IN (1198, 1199, 866, 867) AND rc_timestamp >= '20240601170235' AND rc_new IN (0, 1) ORDER BY rc_timestamp DESC  LIMIT 50;
+------+--------------------+---------------------+--------+-----------------------------------------------------------------------------------------------------------------------+--------------+---------+---------------------------------------------------------------------------+--------+-------------+
| id   | select_type        | table               | type   | possible_keys                                                                                                         | key          | key_len | ref                                                                       | rows   | Extra       |
+------+--------------------+---------------------+--------+-----------------------------------------------------------------------------------------------------------------------+--------------+---------+---------------------------------------------------------------------------+--------+-------------+
|    1 | PRIMARY            | recentchanges       | range  | rc_timestamp,rc_name_type_patrolled_timestamp,rc_ns_actor,rc_actor,rc_namespace_title_timestamp,rc_new_name_timestamp | rc_timestamp | 14      | NULL                                                                      | 160905 | Using where |
|    1 | PRIMARY            | comment_rc_comment  | eq_ref | PRIMARY                                                                                                               | PRIMARY      | 8       | metawiki.recentchanges.rc_comment_id                                      | 1      |             |
|    1 | PRIMARY            | watchlist           | eq_ref | wl_user,wl_user_notificationtimestamp,wl_namespace_title                                                              | wl_user      | 265     | const,metawiki.recentchanges.rc_namespace,metawiki.recentchanges.rc_title | 1      |             |
|    1 | PRIMARY            | watchlist_expiry    | eq_ref | PRIMARY                                                                                                               | PRIMARY      | 4       | metawiki.watchlist.wl_id                                                  | 1      | Using where |
|    1 | PRIMARY            | page                | eq_ref | PRIMARY                                                                                                               | PRIMARY      | 4       | metawiki.recentchanges.rc_cur_id                                          | 1      |             |
|    1 | PRIMARY            | recentchanges_actor | eq_ref | PRIMARY,actor_user                                                                                                    | PRIMARY      | 8       | metawiki.recentchanges.rc_actor                                           | 1      | Using where |
|    2 | DEPENDENT SUBQUERY | change_tag          | ref    | ct_rc_tag_id,ct_tag_id_id                                                                                             | ct_rc_tag_id | 9       | metawiki.recentchanges.rc_id                                              | 1      | Using index |
|    2 | DEPENDENT SUBQUERY | change_tag_def      | eq_ref | PRIMARY                                                                                                               | PRIMARY      | 4       | metawiki.change_tag.ct_tag_id                                             | 1      |             |
+------+--------------------+---------------------+--------+-----------------------------------------------------------------------------------------------------------------------+--------------+---------+---------------------------------------------------------------------------+--------+-------------+
8 rows in set (0.003 sec)

Jun 11 11:51:23 db1240 mysqld[2665119]: 2024-06-11 11:51:23 7512754 [ERROR] InnoDB: We detected index corruption in an InnoDB type table. You have to dump + drop + reimport the table or, in a case of widespread corruption, dump all InnoDB tables and recreate the whole ta>
Jun 11 11:51:23 db1240 mysqld[2665119]: 2024-06-11 11:51:23 7512754 [ERROR] mysqld: Index for table 'recentchanges' is corrupt; try to repair it
Jun 11 11:51:23 db1240 mysqld[2665119]: 2024-06-11 11:51:23 7512754 [ERROR] Slave SQL: Error 'Index for table 'recentchanges' is corrupt; try to repair it' on query. Default database: 'cywiki'. Query: 'INSERT /* RecentChange::save  */ INTO `recentchanges` (rc_type,rc_min>
Jun 11 11:51:23 db1240 mysqld[2665119]: 2024-06-11 11:51:23 7512754 [Warning] Slave: Index for table 'recentchanges' is corrupt; try to repair it Error_code: 1034