If you have a table that undergoes frequent updates and this is a concern of yours, look into setting a fillfactor on it. This will help Postgres keep writes in

If you have a table that undergoes frequent updates and this is a concern of yours, look into setting a fillfactor on it. This will help Postgres keep writes in the same page, which means it doesn't need to touch indexes for non-indexed columns. Edit: non-updated columns, I mean.