t/redpanda_installer: cache for highest_from_previous_feature_version

the method is used in a loop by RedpandaUpgradeTest and it's a bit noisy
redpanda-data · Jun 29, 2023 · 16289e7 · 16289e7
1 parent 7fec570
commit 16289e7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/tests/rptest/services/redpanda_installer.py b/tests/rptest/services/redpanda_installer.py
@@ -8,6 +8,7 @@
 # by the Apache License, Version 2.0
 
 import errno
+from functools import lru_cache
 import json
 import os
 import re
@@ -445,6 +446,7 @@ def latest_unsupported_line(self) -> tuple[int, int]:
             latest_unsupported_line = (latest_unsupported_line[0] - 1, 3)
         return latest_unsupported_line
 
+    @lru_cache
     def highest_from_prior_feature_version(
             self, version: RedpandaVersion) -> RedpandaVersionTriple:
         """