[ http://tracker.iptel.org/browse/SER-223?page=all ]
Jan Janak resolved SER-223.
---------------------------
Resolution: Fixed
> Patch to add support for REPLACE and delayed DB operations.
> -----------------------------------------------------------
>
> Key: SER-223
> URL: http://tracker.iptel.org/browse/SER-223
> Project: SER
> Issue Type: Improvement
> Components: Registrar
> Affects Versions: Wishlist
> Environment: Ottendorf code version from today.
> Reporter: Nils Ohlmeier
> Priority: Minor
> Fix For: Wishlist
>
> Attachments: usrloc_replace_and_delay.patch
>
>
> The attached patch adds:
> - support for the SQL command REPLACE instead of UPDATE if the database
> supports it. In scenarios where another entity deletes entries from the
> location table the UPDATE command would fail, but the REPLACE would succeed.
> - a separation of looking for required changes in the in-memory location and
> applying them to the DB. This should result in a shorter lock time of the
> in-memory location table, as the DB operations are applied after in-memory
> copies of the required changes are made. It can give you a little bit better
> performance for consuming more private memory.
> - an option for not deleting expired location table entries from the DB.
> Again this can give you a little bit better performance, but then another
> entity has to take care of cleaning the location table.
> Credits for this work go to Jan and Andrei!
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