[Koha] Patron anonymization problem

Andy Boze boze.1 at nd.edu
Wed Jul 17 02:27:27 NZST 2019

In case anyone else encounters a problem like this, I wanted to send an 
update with our resolution. It turned out that on our upgraded server 
the SQL sort_buffer_size value had been set too low. In our case, 
setting it at 2M worked to resolve the issue.


On 7/13/19 12:35 PM, Andy Boze wrote:
> Hi, Katrin.
> The old_issues tables are very similar, but the data on our test server 
> are from a backup done a couple of weeks ago. In particular, a batch 
> patron anonymization was done recently on the production data.
> When I do this SQL query
> SELECT COUNT(DISTINCT borrowernumber) FROM old_issues;
> on the production database, the number returned is 230. This is exactly 
> the same number that Koha reports would be anonymized using today as the 
> cutoff date.
> The same query on the test server returns the number 756. However, the 
> batch anonymization tool reports that 0 patrons would be anonymized, 
> again using today as the cutoff date.
> Initially I suspected it might be a bug, but I've looked at the demo 
> system from ByWater listed at < https://koha-community.org/demo/ >. It's 
> nearly the same version as our test system, and the anonymization tool 
> reports the same number of patron records as the SQL query.
> So, I'm perplexed at this point. Thanks!
> Andy
> On 7/13/19 10:01 AM, Katrin Fischer wrote:
>> Hi Andy,
>> does your old_issues table in both installations have the same data?
>> Katrin
>> On 12.07.19 21:22, Andy Boze wrote:
>>> I'm getting ready to upgrade our Koha server to version
>>> The server is set up and right now we're running it with a copy of our
>>> production database (which is currently on v 17.11).
>>> When testing the batch patron anonymization, the response I get is
>>> that "0 patron's checkout histories will be anonymized". I used
>>> today's date as the cutoff. I ran a report on the old_issues table,
>>> and there are 230 distinct users (not including, of course, the
>>> anonymous user).
>>> I would assume that the batch anonymization tool would also report
>>> that there would be 230 checkout histories to be anonymized. It does
>>> report that number on our 17.11 production server.
>>> I'm wondering whether someone might have an idea what could be wrong.
>>> I've checked Koha Bugzilla, but I don't see anything relevant there.
>>> Are others experiencing this issue?
>> _______________________________________________
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>> Koha at lists.katipo.co.nz
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Andy Boze, Associate Librarian
University of Notre Dame
271H Hesburgh Library
(574) 631-8708

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