Re: [firebird-support] Bad performance of Firebird in Windows Server 2012

2015-12-31 Thread Louis Van Alphen lo...@nucleo.co.za [firebird-support]
What about virtual environments? If one vm on host is pdc and other vm is db server? Sent from my iPhone > On 31 Dec 2015, at 2:39, "'Carlos H. Cantu' lis...@warmboot.com.br > [firebird-support]" wrote: > > > > I know, but that's impossible to do on that

Re: [firebird-support] Bad performance of Firebird in Windows Server 2012

2015-12-31 Thread Alexey Kovyazin a...@ib-aid.com [firebird-support]
Hi Eduardo, Can you please give links to these articles? Regards, Alexey Kovyazin IBSurgeon I searched in Google and found that, for instance, MS suggests not to install SQL Server in a domain controller, but for security reasons. In some articles, MS even recommends to disable disk write

Re: [firebird-support] Bad performance of Firebird in Windows Server 2012

2015-12-31 Thread Eduardo guse...@gmail.com [firebird-support]
It seems a good idea but I am not the one who configure the server in this case and I am not sure if they would like to do that. But, if they do that, can I enable disk cache in a VM that is phisically in the same disk as another VM which is PDC? The disk cache belongs to the VM or the

Re: [firebird-support] Bad performance of Firebird in Windows Server 2012

2015-12-31 Thread Eduardo guse...@gmail.com [firebird-support]
There is an interesting (and quite long) article about SQL Server and disk cache in MS site. https://support.microsoft.com/en-us/kb/234656 They talk about "enhanced caching controllers" and they say things like the following: * /- SQL Server installations are targeted at systems that

Re: [firebird-support] Bad performance of Firebird in Windows Server 2012

2015-12-31 Thread Alexey Kovyazin a...@ib-aid.com [firebird-support]
Eduardo, Did you read this? "Enhanced caching controller systems disable on-disk cache and provide a functional battery-backed caching solution." The idea of this article that battery-backed cache solutions should be used, instead of drives with simple cache. It does not tell that cache is