[Koha] Patron anonymization problem

Katrin Fischer katrin.fischer.83 at web.de
Wed Jul 17 08:33:18 NZST 2019

Hi Andy,

thx a lot for sharing the solution!


On 16.07.19 16:27, Andy Boze wrote:
> 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.
> Andy
> 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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