Guten Tag halim1973@... [firebird-support],

much toooooo few information for any reasonable answer, so just the standart

Cache settings ? ar way too low in staddart classic setup
try increasing them

> Hello All,

> Our database is about 30 GB. We are using Firebird 1.5. When restoring the database using Super server install, the restore takes about 2.5 Hours but when we use Classic Server mode, the restore takes over 8 hours.

> Our machine is up to date as far as CPU and RAM(64 GB ).

> Any idea why this difference of restore speed?

> Thank you,

> -Halim
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Hannes Streicher mailto:HStreicher@...