Database header page information:

        Flags                   0

        Checksum                12345

        Generation              715138

        Page size               4096

        ODS version             11.2

        Oldest transaction      676463

        Oldest active           676464

        Oldest snapshot         662552

        Next transaction        715100

        Bumped transaction      1

        Sequence number         0

        Next attachment ID      3104

        Implementation ID       16

        Shadow count            0

        Page buffers            130000

        Next header page        0

        Database dialect        3

        Creation date           May 9, 2014 21:03:42

        Attributes



    Variable header data:

        Sweep interval:         0

        *END*



This is after I did a manual sweep two hours ago.



-Josh



*Josh Hartmann*

Senior Engineer

COMPUtek Dental Systems

P: 970-224-4022

F: 970-224-4001



*From:* firebird-support@yahoogroups.com [mailto:
firebird-support@yahoogroups.com]
*Sent:* Tue., May. 13, 2014 3:39 PM
*To:* firebird-support@yahoogroups.com
*Subject:* RE: [firebird-support] Cache Performance Options







> Set,
> There is a large gap because I turned off auto sweeping. I disabled it
because
> when it was sweeping, it was killing performance even more. Previous to
the
> 2.5.2 update, it was also using all the memory and causing the server to
swap
> every time it did a sweep (20,000 transactions). Right now, I have it
sweeping
> once during their lunch downtime and again at the end of the day. It is
faster
> than before the 2.5.2 update, but still not fast.

Please provide the gstat header details for the database.

Also you should also have a look at the SysInternals RAMMap tool, it
provides insight in the application and system process which are consuming
memory. This includes the OS file cache, which is the source of many
problems with x64 version of Windows, and the reason why the amount of page
cache activity is so high.


Sean




[Non-text portions of this message have been removed]

  • ... Joshua Hartmann jhartm...@computekdental.com [firebird-support]
    • ... Svein Erling Tysvær svein.erling.tysv...@kreftregisteret.no [firebird-support]
      • ... Joshua Hartmann jhartm...@computekdental.com [firebird-support]
        • ... 'Fabiano - Desenvolvimento SCI' fabi...@sci10.com.br [firebird-support]
          • ... Joshua Hartmann jhartm...@computekdental.com [firebird-support]
            • ... 'Fabiano - Desenvolvimento SCI' fabi...@sci10.com.br [firebird-support]
        • ... 'Leyne, Sean' s...@broadviewsoftware.com [firebird-support]
          • ... Joshua Hartmann jhartm...@computekdental.com [firebird-support]

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