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Posted to java-user@lucene.apache.org by Руслан Торобаев <ru...@gmail.com> on 2018/07/02 03:44:06 UTC
UTF8TaxonomyWriterCache inconsistency
Hi!
I’m facing a problem with taxonomy writer cache inconsistency. At some point in time UTF8TaxonomyWriterCache starts to return wrong ord for some facet labels. As result wrong ord are written in doc facet fields, and wrong counts are returned (undercount) during search. This bug is manifested on different servers with different index contents (we have several separate indexe with unique data).
Unfortunately I can’t reproduce this behaviour in tests. All I have now is taxonomy dir state and UTF8TaxonomyWriterCache dump I created on “broken" application instance. I’ve also created simple app to load and compare cache state with taxonomy, and I can share it.
We using Lucene 7.1.0 and AFAIK there was no major changes in facets cache code since that release.
Can someone help me investigate this situation? Should I create ticket in Lucene bug tracker?
-
Regards
Ruslan Torobaev
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Re: UTF8TaxonomyWriterCache inconsistency
Posted by Michael McCandless <lu...@mikemccandless.com>.
Yes please create a Jira issue!
Mike
On Mon, Jul 2, 2018, 12:31 AM Руслан Торобаев <ru...@gmail.com> wrote:
> Hi!
>
> I’m facing a problem with taxonomy writer cache inconsistency. At some
> point in time UTF8TaxonomyWriterCache starts to return wrong ord for some
> facet labels. As result wrong ord are written in doc facet fields, and
> wrong counts are returned (undercount) during search. This bug is
> manifested on different servers with different index contents (we have
> several separate indexe with unique data).
> Unfortunately I can’t reproduce this behaviour in tests. All I have now is
> taxonomy dir state and UTF8TaxonomyWriterCache dump I created on “broken"
> application instance. I’ve also created simple app to load and compare
> cache state with taxonomy, and I can share it.
> We using Lucene 7.1.0 and AFAIK there was no major changes in facets cache
> code since that release.
>
> Can someone help me investigate this situation? Should I create ticket in
> Lucene bug tracker?
>
>
> -
>
> Regards
> Ruslan Torobaev
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>
>