Hello All -

I have tried this on Firebird Database v2.01 and v2.03.

I created new Firebird database with page size 4KB and transferred data using ODBC. This database has about 400 tables and about 500MB size right now. After I created the database I thought about truncating transaction logs.

I sweeped the database using GFIX command as -
"C:\Program Files\Firebird\Firebird_2_0\bin\"gfix -user SYSDBA -password masterkey db_name.fdb -sweep

Then I backedup the database using GBAK with truncate log option as -
gbak -v -t -user SYSDBA -password masterkey db_name.fdb db_name.fbk

I restored the database using GBAK again with the hope of truncating logs as -
gbak -v -c -p 4096 -user SYSDBA -password masterkey db_name.fbk new_db_name.fdb

It brought the size to ~480MB. But when I did this second time same process on this newly backed up database the size went down to ~350MB.

I am hoping this may be due to the reason that some of the transaction were not committed when I created the Firebird file initially. So, I am wondering if there is an easy way of committing all the uncommitted transaction? Or, if there is a process to truncate the transaction log properly?

I will appreciate any responses.

Regards,
Niben



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