Merge branch 'config_scheduler_section' into 'master'

Get "scheduler" config section back

See merge request postgres-ai/database-lab!144

Author: NikolayS

configs/config.example.physical_generic.yml

@@ -203,6 +203,19 @@ retrieval:
               work_mem: "100MB"
               # ... put Query Planning parameters here
 
+            # Scheduler contains tasks which run on a schedule.
+            scheduler:
+              # Snapshot scheduler creates a new snapshot on a schedule.
+              snapshot:
+                # Timetable defines in crontab format: https://en.wikipedia.org/wiki/Cron#Overview
+                timetable: "0 */6 * * *"
+              # Retention scheduler cleans up old snapshots on a schedule.
+              retention:
+                # Timetable defines in crontab format: https://en.wikipedia.org/wiki/Cron#Overview
+                timetable: "0 * * * *"
+                # Limit defines how many snapshots should be hold.
+                limit: 4
+
 cloning:
   # Deprecated field. Default: "base".
   mode: "base"

configs/config.example.physical_walg.yml

@@ -196,6 +196,19 @@ retrieval:
               work_mem: "100MB"
               # ... put Query Planning parameters here
 
+            # Scheduler contains tasks which run on a schedule.
+            scheduler:
+              # Snapshot scheduler creates a new snapshot on a schedule.
+              snapshot:
+                # Timetable defines in crontab format: https://en.wikipedia.org/wiki/Cron#Overview
+                timetable: "0 */6 * * *"
+              # Retention scheduler cleans up old snapshots on a schedule.
+              retention:
+                # Timetable defines in crontab format: https://en.wikipedia.org/wiki/Cron#Overview
+                timetable: "0 * * * *"
+                # Limit defines how many snapshots should be hold.
+                limit: 4
+
 cloning:
   # Deprecated field. Default: "base".
   mode: "base"