cyb70289 commented on a change in pull request #11598:
URL: https://github.com/apache/arrow/pull/11598#discussion_r742472350



##########
File path: python/pyarrow/tests/test_csv.py
##########
@@ -1321,8 +1321,17 @@ def test_cancellation(self):
         raise_signal = util.get_raise_signal()
 
         # Make the interruptible workload large enough to not finish
-        # before the interrupt comes, even in release mode on fast machines
-        large_csv = b"a,b,c\n" + b"1,2,3\n" * 200_000_000
+        # before the interrupt comes, even in release mode on fast machines.
+        last_duration = 0.0
+        workload_size = 100_000
+
+        while last_duration < 1.0:
+            print("workload size:", workload_size)

Review comment:
       Looks pytest hides the output by default. Curious to see the workload 
size big enough for M1.

##########
File path: python/pyarrow/tests/test_csv.py
##########
@@ -1321,8 +1321,17 @@ def test_cancellation(self):
         raise_signal = util.get_raise_signal()
 
         # Make the interruptible workload large enough to not finish
-        # before the interrupt comes, even in release mode on fast machines
-        large_csv = b"a,b,c\n" + b"1,2,3\n" * 200_000_000
+        # before the interrupt comes, even in release mode on fast machines.
+        last_duration = 0.0
+        workload_size = 100_000
+
+        while last_duration < 1.0:
+            print("workload size:", workload_size)

Review comment:
       Looks pytest hides the output by default. Curious to see the workload 
size big enough for M1 in CI pool.




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