Daily Link Maintenance

[Mieko Yamaguchi <iss053@xxxxxxxxxx>]

Following a recent discussion on Daily Link Maintenance, Betsy Graham,
Director of Product Management at Innovative, has kindly sent me some
additional information.  Since some of my earlier assumption appears to
be incorrect I would like to share the following with the list.

Betsy confirmed that only updates that are of a type that might have
updated a location in an attached record are written to the file for Daily
Link Maintenance.  Checkins, checkouts, receipts of orders, etc. are not
queued in this file.  The system cannot tell that a location update has
actually taken place, just that the process used is capable of making this
type of change.

If a site has both the feature to rearrange the attached items in location
name order and the feature to update the LOCATIONS field in the bib record,
the two types of updates have to be run separately at present.  However, I
understand that a beta version of a program to perform these two updates
with a single pass is currently being tested.

Link Maintenance is unique in that it does not know if an update is needed
until each record in the file is accessed and evaluated.  Link Maintenance
must therefore busy, and then free every record that it runs across,
whether or not an update is required.  According to Betsy this poses a
particular problem with Sun hardware implementations running Daily Link
Maintenance.  I suggest anyone who needs further information should
contact Innovative.

Mieko
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Mieko Yamaguchi                                m.yamaguchi@xxxxxxxxxx
Technical Services Manager/System Coordinator        +44 (0)1248 382970
Main Library, University of Wales Bangor, UK   +44 (0)1248 382979 (Fax)





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