{"id":1587,"date":"2016-04-12T10:37:40","date_gmt":"2016-04-12T07:37:40","guid":{"rendered":"http:\/\/www.fatihacar.com\/blog\/?p=1587"},"modified":"2016-10-12T11:08:45","modified_gmt":"2016-10-12T08:08:45","slug":"ora-00018-maximum-number-of-sessions-exceeded","status":"publish","type":"post","link":"http:\/\/www.fatihacar.com\/blog\/ora-00018-maximum-number-of-sessions-exceeded\/","title":{"rendered":"ORA-00018 maximum number of sessions exceeded"},"content":{"rendered":"<p><strong>Error:<\/strong> ORA-00018 maximum number of sessions exceeded<\/p>\n<p><strong>Cause:<\/strong> All session state objects are in use.<\/p>\n<p><strong>Action:<\/strong> Increase the value of the SESSIONS initialization parameter.<\/p>\n<p><strong>Solution:<\/strong> You have to increase processes and depends on this parameter which is sessions, transactions parameters. <\/p>\n<p>Calculating amount of sessions and transactions parameter values with below formula.<\/p>\n<blockquote><p>processes=x<br \/>\nsessions=x*1.1+5<br \/>\ntransactions=sessions*1.1<\/p><\/blockquote>\n<p>You can show and increase processes parameter like below.<\/p>\n<blockquote><p>\nSQL> show parameter processes;<br \/>\nprocesses integer 150<br \/>\nSQL> alter system set processes=300 scope=spfile;<br \/>\nSQL> shutdown immediate;<br \/>\nSQL> startup;<\/p><\/blockquote>\n<p>You should set the processes parameter to a very high value because it consumers very little resources and you do not want your instance to &#8220;lock up&#8221; with the ORA-0018 error.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Error: ORA-00018 maximum number of sessions exceeded Cause: All session state objects are in use. Action: Increase the value of the SESSIONS initialization parameter. Solution: You have to increase processes and depends on this parameter which is sessions, transactions parameters. Calculating amount of sessions and transactions parameter values with below formula. processes=x sessions=x*1.1+5 transactions=sessions*1.1 You&#8230;<\/p>\n","protected":false},"author":37,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[53],"tags":[111,112,54],"class_list":["post-1587","post","type-post","status-publish","format-standard","hentry","category-oracle-errors-and-solutions","tag-ora-00018","tag-ora-00020","tag-oracle-error-solutions"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p39NFI-pB","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.fatihacar.com\/blog\/wp-json\/wp\/v2\/posts\/1587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.fatihacar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.fatihacar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.fatihacar.com\/blog\/wp-json\/wp\/v2\/users\/37"}],"replies":[{"embeddable":true,"href":"http:\/\/www.fatihacar.com\/blog\/wp-json\/wp\/v2\/comments?post=1587"}],"version-history":[{"count":2,"href":"http:\/\/www.fatihacar.com\/blog\/wp-json\/wp\/v2\/posts\/1587\/revisions"}],"predecessor-version":[{"id":1589,"href":"http:\/\/www.fatihacar.com\/blog\/wp-json\/wp\/v2\/posts\/1587\/revisions\/1589"}],"wp:attachment":[{"href":"http:\/\/www.fatihacar.com\/blog\/wp-json\/wp\/v2\/media?parent=1587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.fatihacar.com\/blog\/wp-json\/wp\/v2\/categories?post=1587"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.fatihacar.com\/blog\/wp-json\/wp\/v2\/tags?post=1587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}