SERVER-65435 Increase fuzzer's min eviction_dirty_trigger to 50MB

1 files changed, 4 insertions, 1 deletions

diff --git a/buildscripts/resmokelib/mongod_fuzzer_configs.py b/buildscripts/resmokelib/mongod_fuzzer_configs.py
index ec84d6c5a4e..a9750997fef 100644
--- a/buildscripts/resmokelib/mongod_fuzzer_configs.py
+++ b/buildscripts/resmokelib/mongod_fuzzer_configs.py
@@ -11,13 +11,16 @@ def generate_eviction_configs(rng):
     eviction_trigger = rng.randint(eviction_target + 1, 99)
 
     # Fuzz eviction_dirty_target and trigger both as relative and absolute values
-    target_bytes_min = 10 * 1024 * 1024  # 10MB
+    target_bytes_min = 50 * 1024 * 1024  # 50MB # 5% of 1GB default cache size on Evergreen
     target_bytes_max = 256 * 1024 * 1024  # 256MB # 1GB default cache size on Evergreen
     eviction_dirty_target = rng.choice(
         [rng.randint(5, 50), rng.randint(target_bytes_min, target_bytes_max)])
     trigger_max = 75 if eviction_dirty_target <= 50 else target_bytes_max
     eviction_dirty_trigger = rng.randint(eviction_dirty_target + 1, trigger_max)
 
+    assert eviction_dirty_trigger > eviction_dirty_target
+    assert eviction_dirty_trigger <= trigger_max
+
     close_idle_time_secs = rng.randint(1, 100)
     close_handle_minimum = rng.randint(0, 1000)
     close_scan_interval = rng.randint(1, 100)