Backport of a Lucene bugfix (Lucene 9.0/ES 8.0)?

[mhugo (Hugo Mercier)]

Hi,
We are migrating from ES 6.8 to ES 7.17 and encountered a bug during indexing for some complex shapes. It turns out the issue is a tessellation bug in Lucene that has been fixed in Lucene 9.0 (see [LUCENE-9580] Tessellator failure for a certain polygon - ASF JIRA)

Since we cannot migrate to ES 8.0 yet (that requires a full reindexing that cannot be done yet), I would like to have the Lucene bugfix backported into a future ES 7.17.x release.
What is the path to follow ? I can submit a PR to Lucene so that a next 8.11.y release of Lucene (the branch used on ES 7.17) includes this patch. Is there a chance this potential new Lucene release will be intergrated into a future ES 7.17.x release ?

Thanks !

[Ignacio_Vera]

Hi @mhugo,

It would be grate if you open a PR in Lucene. I cannot assure you that the change will be integrated in Elasticsearch but adding it in Lucene 8.11 will be the first step. I think it will be worthy to open an issue in the Elasticsearch repository as well so we can discuss possible options.

Aplogies for the hassle.

[mhugo (Hugo Mercier)]

Thanks for your answer. I'll submit a PR on Lucene and open an issue on Elasticsearch then.