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help / color / mirror / Atom feedFrom: Takahiro Itagaki <[email protected]>
To: Fujii Masao <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: Re: [BUGS] BUG #4566: pg_stop_backup() reports incorrect STOP WAL LOCATION
Date: Fri, 05 Feb 2010 09:08:35 +0900
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
<[email protected]>
Fujii Masao <[email protected]> wrote:
> On Fri, Dec 5, 2008 at 11:41 PM, Randy Isbell <[email protected]> wrote:
> > An inconsistency exists between the segment name reported by
> > pg_stop_backup() and the actual WAL file name.
> >
> > START WAL LOCATION: 10/FE1E2BAC (file 0000000200000010000000FE)
> > STOP WAL LOCATION: 10/FF000000 (file 0000000200000010000000FF)
> But it was rejected because its change might break the existing app.
It might break existing applications if it returns "FE" instead of "FF",
but never-used filename surprises users. (IMO, the existing apps probably
crash if "FF" returned, i.e, 1/256 of the time.)
Should it return the *next* reasonable log filename instead of "FF"?
For example, 000000020000002000000000 for the above case.
Regards,
---
Takahiro Itagaki
NTT Open Source Software Center
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Subject: Re: Re: [BUGS] BUG #4566: pg_stop_backup() reports incorrect STOP WAL LOCATION
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