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    4. Slow response in RESTful API when patrons have many loans

    Slow response in RESTful API when patrons have many loans

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    • Article Type: General
    • Product: Aleph
    • Product Version: 18.01

    Description:
    For Patrons with large number of loans it is not possible to see list of loans in Primo.
    Instead the following error is shown:
    "We're sorry, but an unrecoverable problem was detected trying to call the ILS system. Try again later."

    Resolution:
    When calling up a list of loans via API, section RENEW-WWW from tab_check_circ is performed for every loan.

    In this case we see that you use check_circ_1_d and check_circ_9_a in RENEW-WWW:

    RENEW-WWW check_circ_1_d
    RENEW-WWW check_circ_9_a

    These procedures do *NOT* cause performance problems when performed for a single loan (in Aleph OPAC) but they cause performance problems when performed for all loans of patron (in Primo API). Another problematic routine might be check_circ_10_a. In our tests we did not see performance problems with check_circ_9_b and check_circ_10_b.

    Therefore we remove these sections from RENEW-WWW-section in tab_check_circ.
    For checking overdue loans check_circ_8_b might be used instead. For checking the cash limit you may use check_circ_5 instead.


    • Article last edited: 10/8/2013
    View article in the Exlibris Knowledge Center
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      • Slow response in connection with items **MASTER RECORD**
      • Slow response in TWO_TASK caused by distance between App server <-> Firewall <-> DB server
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