[koha-commits] main Koha release repository branch 19.05.x updated. v19.05.08-7-g9ee605ea9f

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commit 9ee605ea9f920cff02f39083d8fa3d6ea59064a4
Author: Jonathan Druart <jonathan.druart at bugs.koha-community.org>
Date:   Thu Nov 14 10:50:24 2019 +0100

    Bug 23640: Flushing L1 on every SIP connection
    
    This patch flushes the L1 cache on each SIP connection
    (ie every invocation of process_request).
    
    This means each SIP connection will fetch values from the
    L2 cache (ie memcached) and persist the L1 cache (in Perl
    memory cache) only until a new SIP connection comes in.
    
    Without this patch, the L1 cache persists for the length
    of the server process, which means the L1 cache will become
    stale very quickly, which can lead to unexpected behaviour.
    
    Test plan:
    1. Enable IssueLog
    2. Start SIP server
        2a. change to Koha git directory
        2b. koha-shell kohadev
        2c. perl C4/SIP/SIPServer.pm /etc/koha/sites/kohadev/SIPconfig.xml
    3. Issue book via SIP
    
        perl misc/sip_cli_emulator.pl -a 127.0.0.1 -p 6001 -su term1 -sp term1 -l CPL --patron 1 --item 3999900000001 -m checkout
    
    4. Check action_logs for "CIRCULATION ISSUE <borrowernumber> <biblionumber>" line
    
        http://localhost:8081/cgi-bin/koha/tools/viewlog.pl
    
    5. Disable IssueLog
    
    6. Check in the book and then check it out again
    
        perl misc/sip_cli_emulator.pl -a 127.0.0.1 -p 6001 -su term1 -sp term1 -l CPL --patron 1 --item 3999900000001 -m checkin
        perl misc/sip_cli_emulator.pl -a 127.0.0.1 -p 6001 -su term1 -sp term1 -l CPL --patron 1 --item 3999900000001 -m checkout
    
    7. Check action_logs for "CIRCULATION ISSUE <borrowernumber> <biblionumber>" line
    
        http://localhost:8081/cgi-bin/koha/tools/viewlog.pl
    
    8. Note results
    
    Without the patch, you'll see a 2nd checkout.
    
    With the patch, you won't see the 2nd checkout.
    
    (Note: After applying the patch, you have to restart the SIP server.)
    
    Signed-off-by: David Cook <dcook at prosentient.com.au>
    Signed-off-by: Nick Clemens <nick at bywatersolutions.com>
    Signed-off-by: Martin Renvoize <martin.renvoize at ptfs-europe.com>
    
    Signed-off-by: Joy Nelson <joy at bywatersolutions.com>
    (cherry picked from commit fdc568afa932a03838b71679fbd4d1c50c9ed0cc)
    
    Signed-off-by: Lucas Gass <lucas at bywatersolutions.com>

-----------------------------------------------------------------------

Summary of changes:
 C4/SIP/SIPServer.pm | 4 ++++
 1 file changed, 4 insertions(+)


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