Filesystem Direct I/O and WAL sync option
От
Dimitri
Тема
Filesystem Direct I/O and WAL sync option
Дата
Msg-id
5482c80a0707030754o740c82b6s4598dc668720d014@mail.gmail.com
Список
Дерево обсуждения
Filesystem Direct I/O and WAL sync option Dimitri <dimitrik.fr@gmail.com>
Re: Filesystem Direct I/O and WAL sync option Heikki Linnakangas <heikki@enterprisedb.com>
Re: Filesystem Direct I/O and WAL sync option "Jim C. Nasby" <decibel@decibel.org>
Re: Filesystem Direct I/O and WAL sync option "Jonah H. Harris" <jonah.harris@gmail.com>
Re: Filesystem Direct I/O and WAL sync option Dimitri <dimitrik.fr@gmail.com>
Re: Filesystem Direct I/O and WAL sync option Dimitri <dimitrik.fr@gmail.com>
Re: Filesystem Direct I/O and WAL sync option Gregory Stark <stark@enterprisedb.com>
Re: Filesystem Direct I/O and WAL sync option Dimitri <dimitrik.fr@gmail.com>
Re: Filesystem Direct I/O and WAL sync option Gregory Stark <stark@enterprisedb.com>
Re: Filesystem Direct I/O and WAL sync option Dimitri <dimitrik.fr@gmail.com>
All, I'm very curious to know if we may expect or guarantee any data consistency with WAL sync=OFF but using file system mounted in Direct I/O mode (means every write() system call called by PG really writes to disk before return)... So may we expect data consistency: - none? - per checkpoint basis? - full?... Thanks a lot for any info! Rgds, -Dimitri
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