Recommended Merge Option

In a system where u could expect a decent rate of update request, say 10% of overall documents getting updated daily, what is the merge setting for -

Merge | Elasticsearch Guide [8.11] | Elastic

one would recommend so we have the deleted document count very much under control. We have seen in cases, the deleted document count goes up to 30% and stays there. We end up doing periodic expunge delete.

Are the all in larger segments? I've seen similar issues with large segments.

yes, mostly

replying so thread becomes latest and people can share views about this one.

Be very careful increasing this setting too much: it can cause way too much merging to happen.

This blog post has more details:

I see. thanks! This is good info.