Subject | Re: [firebird-support] FB2 speed question |
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Author | Lester Caine |
Post date | 2007-06-06T15:23:19Z |
Lester Caine wrote:
the query, and it's even faster than FB1.5. Since modifying that many records
would only ever be an engineering function I can safely ignore it :)
--
Lester Caine - G8HFL
-----------------------------
Contact - http://home.lsces.co.uk/lsces/wiki/?page=contact
L.S.Caine Electronic Services - http://home.lsces.co.uk
MEDW - http://home.lsces.co.uk/ModelEngineersDigitalWorkshop/
Firebird Foundation Inc. - http://www.firebirdsql.org/index.php
>> 2.) Because of the cooperative GC on SS some queries could have toTHAT looks like it was the problem. I did a backup and restore before running
>> handle the load to clean-up the garbage left by other transactions, so
>> in some cases a query would be slow than it would be if cooperative GC
>> was turned off.
> Now THAT is a possible. All the records were updated by populating TRANSACT_NO
> so there will be 100k+ duplicate records following the scan by the stored
> procedure. I do a backup and restore once everything has been tidied, so I
> would not notice that, but if FB2 is doing an in line tidy, that could explain
> the difference ? I did not just try running the query again so I'll try that.
the query, and it's even faster than FB1.5. Since modifying that many records
would only ever be an engineering function I can safely ignore it :)
--
Lester Caine - G8HFL
-----------------------------
Contact - http://home.lsces.co.uk/lsces/wiki/?page=contact
L.S.Caine Electronic Services - http://home.lsces.co.uk
MEDW - http://home.lsces.co.uk/ModelEngineersDigitalWorkshop/
Firebird Foundation Inc. - http://www.firebirdsql.org/index.php