should be it

external/duckdb/test/sql/storage/checkpoint/concurrent_load_delete.test_slow

@@ -0,0 +1,51 @@
+# name: test/sql/storage/checkpoint/concurrent_load_delete.test_slow
+# description: Test concurrent delete load workflow
+# group: [checkpoint]
+
+load __TEST_DIR__/concurrent_delete_load.db
+
+statement ok
+create or replace table z(id integer);
+
+statement ok
+insert into z from range(10_000_000);
+
+loop i 0 100
+
+statement ok
+PRAGMA disable_checkpoint_on_shutdown
+
+statement ok
+SET checkpoint_threshold='1TB'
+
+concurrentloop c 0 7
+
+onlyif c=0
+statement ok
+FORCE CHECKPOINT
+
+onlyif c>0&&c<=5
+statement ok
+SELECT SUM(id) FROM z
+
+onlyif c=5
+statement ok
+DELETE FROM z WHERE id%((random() * 3)::UBIGINT)=0
+
+onlyif c=6
+statement ok
+INSERT INTO z FROM range(1000, 100000 + ${c} * 100000)
+
+endloop
+
+restart
+
+endloop
+
+statement ok
+CHECKPOINT
+
+restart
+
+statement ok
+SELECT SUM(id) FROM z

external/duckdb/test/sql/storage/checkpoint/keep_small_row_groups.test_slow

@@ -0,0 +1,39 @@
+# name: test/sql/storage/checkpoint/keep_small_row_groups.test_slow
+# description: Test keeping small row groups
+# group: [checkpoint]
+
+load __TEST_DIR__/keep_small_row_groups.db
+
+foreach type noindex index
+
+onlyif type=noindex
+statement ok
+create or replace table z(id integer, a varchar, b varchar, c varchar);
+
+onlyif type=index
+statement ok
+create or replace table z(id integer primary key, a varchar, b varchar, c varchar);
+
+statement ok
+insert into z select i, sha256(i::varchar) as a, sha256((i**2)::varchar) as b, sha256((i**3)::varchar) as c from range(100000) r(i);
+
+statement ok
+CHECKPOINT;
+
+# we insert 100K rows, as part of small 100 row inserts, and checkpoint for each iteration
+loop i 0 100
+
+statement ok
+insert into z select 100000 + 100 * ${i} + i, 'a','b','c' from range(100) t(i);
+
+statement ok
+CHECKPOINT;
+
+endloop
+
+query I
+SELECT COUNT(DISTINCT row_group_id) < 5 FROM pragma_storage_info('z')
+----
+true
+
+endloop