Re: [Firebird-devel] page i/o stats

2011-07-06 Thread Dmitry Yemanov
05.07.2011 21:29, Paul Reeves wrote: >> FW and HDD settings don't affect the page I/O stats. > > Actually, FW must affect the I/O stats Sorry, but it doesn't not. Our I/O stats reports page writes performed by the engine (OS call). They could either reach the disk (FW=ON) or stay in the file sy

Re: [Firebird-devel] page i/o stats

2011-07-06 Thread Dmitry Yemanov
05.07.2011 21:32, Paul Reeves wrote: >> Are you running SuperServer, Classic or SuperClassic? > > It is super server, although this should not make any difference. Classic doesn't have any background I/O activity, so there will be a difference. Dmitry -

Re: [Firebird-devel] page i/o stats

2011-07-06 Thread Paul Reeves
On Wednesday 6 July 2011 at 09:06 Dmitry Yemanov wrote: > > Sorry, but it doesn't not. Our I/O stats reports page writes performed > by the engine (OS call). They could either reach the disk (FW=ON) or > stay in the file system cache (FW=OFF), but the write has happened and > it's reflected in th

Re: [Firebird-devel] page i/o stats

2011-07-06 Thread Leyne, Sean
Dmitry > > Ah, that is interesting. I don't think that is documented. I was under > > the impression that stat_group 0 was cumulative for all connections > > since the start of the server. > > Stats don't exist without active connections, as there are no resources kept > inside the engine in the

Re: [Firebird-devel] page i/o stats

2011-07-06 Thread Dmitry Yemanov
Sean, > How are the IO related to the background/cooperative garbage collection > function accounted for? > > Is it the case that if my connection encountered old versions, that the IO > from the background cleanup of those items is counted against my connection? Cooperative GC is accounted in

[Firebird-devel] [FB-Tracker] Created: (CORE-3546) Aliases for returning

2011-07-06 Thread Alexander Chiryatjev (JIRA)
Aliases for returning - Key: CORE-3546 URL: http://tracker.firebirdsql.org/browse/CORE-3546 Project: Firebird Core Issue Type: New Feature Reporter: Alexander Chiryatjev Priority: Minor It's seem