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Re: Fast index build vs. PITR

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Gavin Sherry <swm(at)linuxworld(dot)com(dot)au>
Cc: pgsql-hackers(at)postgresql(dot)org,Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>
Subject: Re: Fast index build vs. PITR
Date: 2004-06-01 02:15:15
Message-ID: 14278.1086056115@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Gavin Sherry <swm(at)linuxworld(dot)com(dot)au> writes:
>> So AFAICS, we've got to dump the index contents into WAL to support
>> PITR.  This is a tad annoying.

> Is it possible in this case to dump the index block by block into the log
> after it has been generated?

That's what we do now, and it more or less doubles the amount of I/O
needed to create an index ...

			regards, tom lane

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