Re: Reliable WAL file shipping over unreliable network

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От Nagy László Zsolt
Тема Re: Reliable WAL file shipping over unreliable network
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Msg-id 10bea809-cf89-4e5d-6064-95dd95164e20@shopzeus.com
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Ответ на Re: Reliable WAL file shipping over unreliable network  (Rui DeSousa <rui.desousa@icloud.com>)
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2018. 02. 28. 19:11 keltezéssel, Rui DeSousa írta:
> Easiest thing to do is to keep the replica from seeing the file until
> it’s successfully transferred; i.e.
>
> 1. Transfer the file successfully first with a temporary extension:  
> $ARCH_DIR/$WALFILE.swap
> 2. If successfully transferred then move it into place:
>     mv $ARCH_DIR/$WALFILE.swap $ARCH_DIR/$WALFILE
This works ONLY if the directory is mounted on the master, and you can
execute "mv" on the master (as part of the archive_command) to rename
the file that is stored on the slave.

But the original question specified that mounting is not an option.



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