{"action":"created","issue":{"url":"https://api.github.com/repos/percona/percona-server/issues/146","labels_url":"https://api.github.com/repos/percona/percona-server/issues/146/labels{/name}","comments_url":"https://api.github.com/repos/percona/percona-server/issues/146/comments","events_url":"https://api.github.com/repos/percona/percona-server/issues/146/events","html_url":"https://github.com/percona/percona-server/pull/146","id":105254378,"number":146,"title":"5.5 ps bug1368530","user":{"login":"ihanick","id":207383,"avatar_url":"https://avatars.githubusercontent.com/u/207383?v=3","gravatar_id":"","url":"https://api.github.com/users/ihanick","html_url":"https://github.com/ihanick","followers_url":"https://api.github.com/users/ihanick/followers","following_url":"https://api.github.com/users/ihanick/following{/other_user}","gists_url":"https://api.github.com/users/ihanick/gists{/gist_id}","starred_url":"https://api.github.com/users/ihanick/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ihanick/subscriptions","organizations_url":"https://api.github.com/users/ihanick/orgs","repos_url":"https://api.github.com/users/ihanick/repos","events_url":"https://api.github.com/users/ihanick/events{/privacy}","received_events_url":"https://api.github.com/users/ihanick/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"laurynas-biveinis","id":58894,"avatar_url":"https://avatars.githubusercontent.com/u/58894?v=3","gravatar_id":"","url":"https://api.github.com/users/laurynas-biveinis","html_url":"https://github.com/laurynas-biveinis","followers_url":"https://api.github.com/users/laurynas-biveinis/followers","following_url":"https://api.github.com/users/laurynas-biveinis/following{/other_user}","gists_url":"https://api.github.com/users/laurynas-biveinis/gists{/gist_id}","starred_url":"https://api.github.com/users/laurynas-biveinis/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/laurynas-biveinis/subscriptions","organizations_url":"https://api.github.com/users/laurynas-biveinis/orgs","repos_url":"https://api.github.com/users/laurynas-biveinis/repos","events_url":"https://api.github.com/users/laurynas-biveinis/events{/privacy}","received_events_url":"https://api.github.com/users/laurynas-biveinis/received_events","type":"User","site_admin":false},"milestone":null,"comments":3,"created_at":"2015-09-07T18:24:11Z","updated_at":"2015-10-09T03:10:55Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/percona/percona-server/pulls/146","html_url":"https://github.com/percona/percona-server/pull/146","diff_url":"https://github.com/percona/percona-server/pull/146.diff","patch_url":"https://github.com/percona/percona-server/pull/146.patch"},"body":""},"comment":{"url":"https://api.github.com/repos/percona/percona-server/issues/comments/146743952","html_url":"https://github.com/percona/percona-server/pull/146#issuecomment-146743952","issue_url":"https://api.github.com/repos/percona/percona-server/issues/146","id":146743952,"user":{"login":"ihanick","id":207383,"avatar_url":"https://avatars.githubusercontent.com/u/207383?v=3","gravatar_id":"","url":"https://api.github.com/users/ihanick","html_url":"https://github.com/ihanick","followers_url":"https://api.github.com/users/ihanick/followers","following_url":"https://api.github.com/users/ihanick/following{/other_user}","gists_url":"https://api.github.com/users/ihanick/gists{/gist_id}","starred_url":"https://api.github.com/users/ihanick/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ihanick/subscriptions","organizations_url":"https://api.github.com/users/ihanick/orgs","repos_url":"https://api.github.com/users/ihanick/repos","events_url":"https://api.github.com/users/ihanick/events{/privacy}","received_events_url":"https://api.github.com/users/ihanick/received_events","type":"User","site_admin":false},"created_at":"2015-10-09T03:10:55Z","updated_at":"2015-10-09T03:10:55Z","body":"http://jenkins.percona.com/job/percona-server-5.5-param/1165/\r\n\r\n- \"PURGE CHANGED_PAGE_BITMAPS BEFORE 0;\" is used to crash mysqld with the same stack trace as described in bug (unmodified version)\r\n- clean up for test case, only 1(default)=>0=>1 transition is tested.\r\n- updated validation function comment\r\n- removed global changed pages init flag => static variable inside function\r\nStatic variables inside functions are not frequently used inside innodb, but there are several places in vanilla mysql and percona server 5.5\r\n5.7.8: buf/buf0buf.cc:507 buf/buf0flu.cc:2428 fil/fil0fil.cc:240\r\nin PS 5.5 innodb buf/buf0buf.c:485 trx/trx0purge.c:670 page/page0cur.c:63"}}