vdbs destroyed because of out-of-memory
Thomas Flemming
tf at qvgps.com
Wed Jan 8 04:00:23 CST 2014
Hi Ruslan,
as you know, I'm not using VServer, just VNET with local vdb's.
Is this journaling still working? Even if Windows crashes e.g. because of
power failure (very common problem for our software, because its also used in
car-pcs)?
Tom
Am 08.01.2014 08:44, schrieb Ruslan Zasukhin:
> On 1/7/14, 2:45 PM, "Thomas Flemming" <tf at qvgps.com> wrote:
>
> Hi Thomas,
>
>>> This should not happens in 5.0 and better thanks to journal on db.
>>
>> can you please explain more detailed, why 5 is more reliable then 4.9?
>> What exactly makes the difference with journal on db?
>
> Because in 5.0 added jornaling,
> This means that new info go into DB, but prev modified pages go to journal.
> Kind of double fixation of changes
>
> If happens crash, then on the next db.open engine checks journal,
> And if it see not completed app, it returns database in the latest good
> state.
>
>
--
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