{"id":1247773,"date":"2017-03-01T08:54:48","date_gmt":"2017-03-01T16:54:48","guid":{"rendered":"https:\/\/theeventscalendar.com\/support\/forums\/topic\/query-overloading-server-causing-504-errors\/"},"modified":"2017-03-01T08:54:48","modified_gmt":"2017-03-01T16:54:48","slug":"query-overloading-server-causing-504-errors","status":"closed","type":"topic","link":"https:\/\/theeventscalendar.com\/support\/forums\/topic\/query-overloading-server-causing-504-errors\/","title":{"rendered":"Query Overloading Server, Causing 504 Errors"},"content":{"rendered":"<p>The following query is overloading my WP Engine server, causing regular 504 errors on the 80+ websites I host. It has shown up in our mysql slow logs more than 2,000 times in the past 12 hours. Would you mind helping me fix this issue? Thanks!<\/p>\n<p># Time: 2017-02-27T13:14:10.967755Z<br \/>\n# User@Host: kvne[kvne] @  [127.0.0.1]  Id: 205696<br \/>\n# Schema: wp_kvne  Last_errno: 0  Killed: 0<br \/>\n# Query_time: 7.501045  Lock_time: 0.000443  Rows_sent: 1  Rows_examined: 1336595  Rows_affected: 0<br \/>\n# Bytes_sent: 1882<br \/>\nSET timestamp=1488201250;<br \/>\nSELECT<br \/>\n                                SQL_CALC_FOUND_ROWS *<br \/>\n                        FROM (<br \/>\n                                SELECT  DISTINCT wp_posts.*, wp_postmeta.meta_value as EventStartDate, tribe_event_end_date.meta_value as EventEndDate FROM wp_posts  LEFT JOIN wp_postmeta ON ( wp_posts.ID = wp_postmeta.post_id )  LEFT JOIN wp_postmeta AS mt1 ON ( wp_posts.ID = mt1.post_id )  LEFT JOIN wp_postmeta AS mt2 ON (wp_posts.ID = mt2.post_id AND mt2.meta_key = &#8216;_EventHideFromUpcoming&#8217; ) LEFT JOIN wp_postmeta as tribe_event_end_date ON ( wp_posts.ID = tribe_event_end_date.post_id AND tribe_event_end_date.meta_key = &#8216;_EventEndDate&#8217; )  WHERE 1=1  AND wp_posts.ID NOT IN (49052) AND (<br \/>\n  wp_postmeta.meta_key = &#8216;_EventStartDate&#8217;<br \/>\n  AND<br \/>\n   (<br \/>\n                                        ( mt1.meta_key = &#8216;_EventStartDate&#8217; AND CAST(mt1.meta_value AS DATETIME) &lt; &#8216;2017-02-07 09:30:00&#8217; )<br \/>\n                                        OR (<br \/>\n                                                ( mt1.meta_key = &#8216;_EventStartDate&#8217; AND CAST(mt1.meta_value AS DATETIME) = &#8216;2017-02-07 09:30:00&#8217; )<br \/>\n                                                AND mt1.post_id &lt; 49052<br \/>\n                                        )<br \/>\n                                )<br \/>\n  AND<br \/>\n  mt2.post_id IS NULL<br \/>\n) AND wp_posts.post_type = &#8216;tribe_events&#8217; AND (wp_posts.post_status = &#8216;publish&#8217; OR wp_posts.post_status = &#8216;tribe-ea-success&#8217; OR wp_posts.post_status = &#8216;tribe-ea-failed&#8217; OR wp_posts.post_status = &#8216;tribe-ea-schedule&#8217; OR wp_posts.post_status = &#8216;tribe-ea-pending&#8217; OR wp_posts.post_status = &#8216;tribe-ea-draft&#8217;)  ORDER BY EventStartDate DESC, wp_posts.ID DESC<br \/>\n                        ) a<br \/>\n                        GROUP BY IF( post_parent = 0, ID, post_parent )<br \/>\n                        ORDER BY EventStartDate DESC<br \/>\n                        LIMIT 0, 1<br \/>\n                 \/* From [kvne.com\/event\/square-1\/2017-02-07\/] in [\/nas\/content\/live\/kvne\/wp-content\/plugins\/the-events-calendar\/src\/Tribe\/Query.php:1017] *\/;<\/p>\n","protected":false},"template":"","class_list":["post-1247773","topic","type-topic","status-closed","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Query Overloading Server, Causing 504 Errors -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/theeventscalendar.com\/support\/forums\/topic\/query-overloading-server-causing-504-errors\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Query Overloading Server, Causing 504 Errors -\" \/>\n<meta property=\"og:description\" content=\"The following query is overloading my WP Engine server, causing regular 504 errors on the 80+ websites I host. 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