Subject | big change after restore |
---|---|
Author | Nick Upson |
Post date | 2013-07-29T15:28:59Z |
I'm trying to understand why there is such a large difference in runtime
between these 2 situations.
firebird 2.1.5
run a script to create 130000 records in a table, then use it for a while.
Which means
updates to some fields within that table.
run "select * from table", takes around 4.8 seconds
do a backup & restore of the database
run "select * from table", takes around 0.3 seconds
t
he plan shows a natural scan in both cases, no other database usage
--
Nick Upson, Telensa Ltd
[Non-text portions of this message have been removed]
between these 2 situations.
firebird 2.1.5
run a script to create 130000 records in a table, then use it for a while.
Which means
updates to some fields within that table.
run "select * from table", takes around 4.8 seconds
do a backup & restore of the database
run "select * from table", takes around 0.3 seconds
t
he plan shows a natural scan in both cases, no other database usage
--
Nick Upson, Telensa Ltd
[Non-text portions of this message have been removed]