Reduce stampeding effect

Author: Vectorial1024

CHANGELOG.md

@@ -2,6 +2,7 @@
 Note: you may refer to `README.md` for description of features.
 
 ## Dev (WIP)
+- Added slight delays in the file & database evictor to reduce cache stampeding
 - Fixed inaccurate "directories removed" statistics for the file evictor
 
 ## 2.0.8 (2025-10-04)

src/Database/DatabaseEvictStrategy.php

@@ -94,6 +94,9 @@ public function execute(): void
                 // items really expired with no new updates
                 $this->deletedRecords += $rowsAffected;
             }
+
+            // reduce stampeding
+            usleep(1000);
         }
 
         // report results:

src/File/FileEvictStrategy.php

@@ -70,6 +70,9 @@ public function execute(): void
             if (@rmdir($localPath)) {
                 $this->deletedDirs++;
             }
+
+            // reduce stampeding
+            usleep(1000);
         }
 
         $progressBar->finish();