Re: [HACKERS] snapbuild woes
От
Andres Freund
Тема
Re: [HACKERS] snapbuild woes
Дата
Msg-id
20161212214227.qxspxdqqrprfvnz3@alap3.anarazel.de
Ответ на
[HACKERS] snapbuild woes (Petr Jelinek)
Список
Дерево обсуждения
[HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Erik Rijkers <er@xs4all.nl>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Antonin Houska <ah@cybertec.at>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Erik Rijkers <er@xs4all.nl>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Erik Rijkers <er@xs4all.nl>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Erik Rijkers <er@xs4all.nl>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Erik Rijkers <er@xs4all.nl>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Stas Kelvich <s.kelvich@postgrespro.ru>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Erik Rijkers <er@xs4all.nl>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Craig Ringer <craig@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Simon Riggs <simon@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Erik Rijkers <er@xs4all.nl>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes David Steele <david@pgmasters.net>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Erik Rijkers <er@xs4all.nl>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Noah Misch <noah@leadboat.com>
Re: [HACKERS] snapbuild woes Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Noah Misch <noah@leadboat.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Noah Misch <noah@leadboat.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Noah Misch <noah@leadboat.com>
Re: [HACKERS] snapbuild woes Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] snapbuild woes Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Noah Misch <noah@leadboat.com>
Re: [HACKERS] snapbuild woes Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Noah Misch <noah@leadboat.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Noah Misch <noah@leadboat.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes andres@anarazel.de (Andres Freund)
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Andres Freund <andres@anarazel.de>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Peter Geoghegan <pg@bowt.ie>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes David Steele <david@pgmasters.net>
Re: [HACKERS] snapbuild woes Petr Jelinek <petr.jelinek@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Craig Ringer <craig.ringer@2ndquadrant.com>
Re: [HACKERS] snapbuild woes Kevin Grittner <kgrittn@gmail.com>
Re: [HACKERS] snapbuild woes Craig Ringer <craig.ringer@2ndquadrant.com>
Hi, On 2016-12-10 23:10:19 +0100, Petr Jelinek wrote: > Hi, > First one is outright bug, which has to do with how we track running > transactions. What snapbuild basically does while doing initial snapshot > is read the xl_running_xacts record, store the list of running txes and > then wait until they all finish. The problem with this is that > xl_running_xacts does not ensure that it only logs transactions that are > actually still running (to avoid locking PGPROC) so there might be xids > in xl_running_xacts that already committed before it was logged. I don't think that's actually true? Notice how LogStandbySnapshot() only releases the lock *after* the LogCurrentRunningXacts() iff wal_level >= WAL_LEVEL_LOGICAL. So the explanation for the problem you observed must actually be a bit more complex :( Regards, Andres
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