| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Curt Sampson <cjs(at)cynic(dot)net> |
| Cc: | Kevin Brown <kevin(at)sysexperts(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: WAL replay logic (was Re: [PERFORM] Mount options for Ext3?) |
| Date: | 2003-01-25 16:16:12 |
| Message-ID: | 10916.1043511372@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-performance |
Curt Sampson <cjs(at)cynic(dot)net> writes:
> On Sat, 25 Jan 2003, Tom Lane wrote:
>> We'd have to take it on faith that we should replay the visible files
>> in their name order.
> Couldn't you could just put timestamp information at the beginning if
> each file,
Good thought --- there's already an xlp_pageaddr field on every page
of WAL, and you could examine that to be sure it matches the file name.
If not, the file csn be ignored.
regards, tom lane
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