| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Takahiro Itagaki <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers(at)postgresql(dot)org, Mark Mielke <mark(at)mark(dot)mielke(dot)cc>, Florian Weimer <fw(at)deneb(dot)enyo(dot)de>, Greg Stark <gsstark(at)mit(dot)edu>, Robert Haas <robertmhaas(at)gmail(dot)com> |
| Subject: | Re: Directory fsync and other fun |
| Date: | 2010-02-24 02:59:49 |
| Message-ID: | 22941.1266980389@sss.pgh.pa.us |
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Takahiro Itagaki <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> writes:
> Andres Freund <andres(at)anarazel(dot)de> wrote:
>> I started setting up some halfway automated method of simulating hard crashes
>> and even while setting those up I found some pretty unsettling results...
>> Now its not unlikely that my testing is flawed but unfortunately I don't see
>> where right now (its 3am now and I have a 8h trainride behind me, so ...)
> I think the reported behavior is a TODO item to research:
We have since found out that the copydir code was completely broken and
wasn't fsyncing anything. So those tests need to be re-run against HEAD
before jumping to any conclusions.
regards, tom lane
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