add warning for large delta memory footprint on filesystem docs page (#…

…2036)

* add warning for large delta memory footprint

* fix wording

docs/website/docs/dlt-ecosystem/destinations/filesystem.md

@@ -645,6 +645,10 @@ def my_delta_resource():
 
 > `dlt` always uses Parquet as `loader_file_format` when using the `delta` table format. Any setting of `loader_file_format` is disregarded.
 
+:::caution
+Beware that when loading a large amount of data for one table, the underlying rust implementation will consume a lot of memory. This is a known issue and the maintainers are actively working on a solution. You can track the progress [here](https://github.com/delta-io/delta-rs/pull/2289). Until the issue is resolved, you can mitigate the memory consumption by doing multiple smaller incremental pipeline runs.
+:::
+
 #### Delta table partitioning
 A Delta table can be partitioned ([Hive-style partitioning](https://delta.io/blog/pros-cons-hive-style-partionining/)) by specifying one or more `partition` column hints. This example partitions the Delta table by the `foo` column: