Make rate-of-change log at info, as we want to know it in prod. (#43)

Author: jcjones

partitionmanager/table_append_partition.py

@@ -528,7 +528,7 @@ def _plan_partition_changes(
         rate_relevant_partitions
     )
 
-    log.debug(
+    log.info(
         f"Rates of change calculated as {rates} per day from "
         f"{len(rate_relevant_partitions)} partitions"
     )

partitionmanager/table_append_partition_test.py

@@ -537,10 +537,12 @@ def test_plan_partition_changes_imminent(self):
         self.assertEqual(
             logctx.output,
             [
+                "INFO:plan_partition_changes:table:Rates of change calculated as "
+                "[25.043478260869566] per day from 2 partitions",
                 "INFO:plan_partition_changes:table:Start-of-fill predicted at "
                 "2021-01-03 which is not 2021-01-02. This change will be marked "
                 "as important to ensure that p_20210102: (200) is moved to "
-                "2021-01-03"
+                "2021-01-03",
             ],
         )
 
@@ -579,10 +581,12 @@ def test_plan_partition_changes_wildly_off_dates(self):
         self.assertEqual(
             logctx.output,
             [
+                "INFO:plan_partition_changes:table:Rates of change calculated as [50.0] per "
+                "day from 2 partitions",
                 "INFO:plan_partition_changes:table:Start-of-fill predicted at "
                 "2021-01-02 which is not 2021-01-04. This change will be marked "
                 "as important to ensure that p_20210104: (200) is moved to "
-                "2021-01-02"
+                "2021-01-02",
             ],
         )