05.01.2013 19:18, Dimitry Sibiryakov wrote:
> 05.01.2013 17:43, Ann Harrison wrote:
>> Err, no on three counts.  The first is that there was no other activity on 
>> the database
>> that demonstrated 1Tb of writes for a 55Gb database.  The second is that 
>> even if there
>> were conflicts, that sweep was done by a SuperServer configuration, so dirty 
>> pages do not
>> go to disk when their lock is released.  And finally, even if there were 
>> conflicts and it
>> were a Classic installation, the only time large numbers of pages are forced 
>> at once is on
>> commit.
>
>     It is not quite so.
>     At first, if GC is in background mode, there are two parallel activity on 
> database: GC
> cleaning up and sweep, reading page by page.

   Nope. Background GC is suspended during sweep.

>     At second, TS didn't name architecture, so it is not necessary 
> superserver.

   It was sounded at support list.

Regards,
Vlad

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