Subject Re: [firebird-support] slower backup after upgrade from classic to superserver
Author Robert martin
Hi

Sorry only just noticed this issue. My gues is that the machione you
are running is a P4 with HT enabled. Dry disabling HT and see if it now
works as expected. Might not be the issue but worth a go.

Rob Martin
Software Engineer

phone +64 03 377 0495
fax +64 03 377 0496
web www.chreos.com

Wild Software Ltd



Helen Borrie wrote:

>At 10:24 PM 22/01/2006, you wrote:
>
>
>>Hello,
>>
>>I have the problem, that the backup time is grown up very high after
>>the upgrade from the classicserver (1.0) to the superserver (1.5).
>>With the classicserver gbak makes the backup for a 5 GB database in 30
>>to 40 minutes. After the upgrade the same backup needs more then 3 hours.
>>An other 19 GB database needs more then 8 houres.
>>The restore ist very slow too and this is my greatest problem. The
>>databases are used in medical environments and more then 3 or 8 hours
>>for a restore is a very long time.
>>
>>
>
>It is too long - something is wrong. Your "upgrade" was not
>Classic-->Superserver
>but v.1.0 --> v.1.5. Gbak performance should be the same or better
>under v.1.5.
>
>You provided no detail about which Linux/Unix platform you are
>running Firebird on nor how you are invoking gbak. You need to
>provide these details in order help us to understand what your problem is.
>
>However, if you are running SS on a kernel that implements the NPTL
>(New POSIX Threading Library) then you need to EITHER 1) disable NPTL
>(instructions are in the v.1.5 release notes) OR 2) use the NPTL
>build of the server.
>
>./heLen
>
>
>
>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>Visit http://firebird.sourceforge.net and click the Resources item
>on the main (top) menu. Try Knowledgebase and FAQ links !
>
>Also search the knowledgebases at http://www.ibphoenix.com
>
>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
>