RSS usage by tests, sorted

ydb/tests/olap/column_family/compression sole chunk 2.79 GiB
ydb/tests/olap/scenario sole chunk 3.07 GiB
ydb/tests/olap/ttl_tiering [data_migration_when_alter_ttl.py] chunk 3.85 GiB
ydb/tests/olap/ttl_tiering [ttl_delete_s3.py] chunk 12.73 GiB