[Koha-bugs] [Bug 4373] New: Placing and Processing Items Simultaneously causes multiple issues

[bugzilla-daemon at kohaorg.ec2.liblime.com]

http://bugs.koha.org/cgi-bin/bugzilla3/show_bug.cgi?id=4373

           Summary: Placing and Processing Items Simultaneously causes
                    multiple issues
           Product: Koha
           Version: rel_3_2
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Hold requests
        AssignedTo: gmcharlt at gmail.com
        ReportedBy: wizzyrea at gmail.com
   Estimated Hours: 0.0
 Change sponsored?: ---


Since we added seven libraries to our consortium, we have noticed an increase
in ‘strange holds behavior‘ such as one patron receiving two copies of book
or movie, when only one of the two items will actually fulfill the patron’s
hold.  The more we thought about this, the more we realized that it was an
issue of timing: Koha seems to be mishandling simultaneous submissions of data.
 For example two libraries processing their Pick list at the same time or two
libraries checking in items or placing holds at the same time.  

This five-minute video
http://www.screencast.com/users/lizrea/folders/Jing/media/16ea23e8-e3e9-42cb-a98c-79d17a8df438
shows a number of problems that can occur when items are picked, holds are
placed and transfers are initiated at about the same time on different copies
of the same item.

This three-minute video
http://www.screencast.com/users/lizrea/folders/Jing/media/de71880c-df72-4313-a284-84bed693c042
shows what happens when you receive an item routed to you to fill a
‘phantom’ hold.

Bugs that may be related to this:
4201


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