| From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
|---|---|
| To: | MARK CALLAGHAN <mdcallag(at)gmail(dot)com>, Kevin Grittner <kgrittn(at)ymail(dot)com>, Michael Cahill <mjc(at)wiredtiger(dot)com> |
| Cc: | Thomas Kellerer <spam_eater(at)gmx(dot)net>, "pgsql-advocacy(at)postgresql(dot)org" <pgsql-advocacy(at)postgresql(dot)org> |
| Subject: | Re: Independent comparison of PostgreSQL and MySQL |
| Date: | 2014-10-08 21:51:32 |
| Message-ID: | 5435B1E4.7000900@aklaver.com |
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| Thread: | |
| Lists: | pgsql-advocacy |
On 10/08/2014 02:47 PM, MARK CALLAGHAN wrote:
> Where is the claim about transactions being visible before crash-safety
> in his thesis? I didn't find it via a quick search of the pdf.
>
Page 75
"InnoDB holds a transaction’s locks until the point in transaction
commit just before the write-ahead log is flushed. In other words, locks
are released and changes become visible before log records are
guaranteed to be on stable storage"
> --
> Mark Callaghan
> mdcallag(at)gmail(dot)com <mailto:mdcallag(at)gmail(dot)com>
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
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