Hi group.

 

 I've working around tuning up a database speed and found that gstat -h shows 
valuable information about transactions. Also that gfix -sweep removes garbage 
from the database.
 

 I understood that when Next transaction grows too much from Oldest active 
transaction, "sweeping" the database makes this difference become smaller.
 

 But this is not the case with my database.
 

 What am I doing wrong?
 

 this is the gstat -h from the database:
 

 *************************************************
 Database "d:\med6\ibdata\sistmed6.fdb"
 Gstat execution time Mon Jul 01 10:39:55 2019
 

 Database header page information:
         Flags                   0
         Checksum                12345
         Generation              236628301
         Page size               4096
         ODS version             11.2
         Oldest transaction      236413964
         Oldest active           236413965
         Oldest snapshot         236413965
         Next transaction        236627938
         Bumped transaction      1
         Sequence number         0
         Next attachment ID      31194
         Implementation ID       16
         Shadow count            0
         Page buffers            0
         Next header page        0
         Database dialect        3
         Creation date           Mar 24, 2018 10:27:14
         Attributes              force write
 

     Variable header data:
         Sweep interval:         20000
         *END*
 

 *************************************************
 Any help will be appreciated.
 

 Regards,
 

 
 Hernando.
 

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