Re: Snapshot management, final
От
Alvaro Herrera
Тема
Re: Snapshot management, final
Дата
Msg-id
20080423122436.GB4768@alvh.no-ip.org
Ответ на
Re: Snapshot management, final (Tom Lane)
Список
Дерево обсуждения
Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Simon Riggs <simon@2ndquadrant.com>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Simon Riggs <simon@2ndquadrant.com>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Simon Riggs <simon@2ndquadrant.com>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Simon Riggs <simon@2ndquadrant.com>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Tom Lane <tgl@sss.pgh.pa.us>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Tom Lane <tgl@sss.pgh.pa.us>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Tom Lane <tgl@sss.pgh.pa.us>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Tom Lane <tgl@sss.pgh.pa.us>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Tom Lane <tgl@sss.pgh.pa.us>
Re: Snapshot management, final Alvaro Herrera <alvherre@commandprompt.com>
Re: Snapshot management, final Tom Lane <tgl@sss.pgh.pa.us>
Tom Lane wrote: > The only reason we have memory contexts at all is to avoid the need to > track individual palloc'd objects. Since we're instituting exactly such > tracking for snapshots, there's no value in placing them in > general-purpose memory contexts. FWIW I noticed yesterday after going to bed that SnapshotContext serves no useful purpose -- we can just remove it and store snaps in TopTransactionContext. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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