Niels Bauman

Add an example plugin that includes a custom ingest processor

1

We allow users to install additional processors by means of a plugin ([as stated here](https://www.elastic.co/guide/en/elasticsearch/reference/current/processors.html#ingest-process-plugins)), but that section links to a [page](https://www.elastic.co/guide/en/elasticsearch/plugins/8.14/ingest.html) that links back to the first page. There...

[ILM] Avoid race condition between shrinking and ILM itself

2

In the ILM Shrink action, ILM performs (among others) the following steps: https://github.com/elastic/elasticsearch/blob/0ae817e5b60d3801cb02a2b7586573dd8ca72b1d/x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ilm/ShrinkAction.java#L174-L176 The `ShrinkStep` copies the ILM policy name in the shrink request: https://github.com/elastic/elasticsearch/blob/0ae817e5b60d3801cb02a2b7586573dd8ca72b1d/x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ilm/ShrinkStep.java#L85 However, when the allocation of...