From 09f939f47454d9a36a911948ea05bc02859740e8 Mon Sep 17 00:00:00 2001
From: Finn Carroll <carrofin@amazon.com>
Date: Tue, 11 Jun 2024 11:25:05 -0700
Subject: [PATCH] STASH.

---
 gradle/run.gradle                                  |  6 +++++-
 .../remote/directory/RemoteSnapshotDirectory.java  |  2 +-
 .../index/store/remote/utils/cache/LRUCache.java   | 14 +++++++++++++-
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/gradle/run.gradle b/gradle/run.gradle
index 0aa5e5478fdce..524ae1fa10e80 100644
--- a/gradle/run.gradle
+++ b/gradle/run.gradle
@@ -47,9 +47,13 @@ testClusters {
     }
 
     // DEBUG SETTINGS - DO NOT COMMIT
+    setting 'node.search.cache.size', '100b'
+    //setting 'cluster.filecache.remote_data_ratio', '0'
+
     setting 'node.roles', '[data,ingest,cluster_manager,search]'
-    setting 'node.search.cache.size', '13b'
+//    setting 'node.roles', '[search]'
     setting 'path.repo', '/Users/carrofin/fdev/DEBUG/STORES/SNAPS'
+//    setting 'path.data', '/fakemount'
     setting 'path.data', '/Users/carrofin/fdev/DEBUG/STORES/DATA'
 
   }
diff --git a/server/src/main/java/org/opensearch/index/store/remote/directory/RemoteSnapshotDirectory.java b/server/src/main/java/org/opensearch/index/store/remote/directory/RemoteSnapshotDirectory.java
index 167c190c57b7a..38bc56fe30d01 100644
--- a/server/src/main/java/org/opensearch/index/store/remote/directory/RemoteSnapshotDirectory.java
+++ b/server/src/main/java/org/opensearch/index/store/remote/directory/RemoteSnapshotDirectory.java
@@ -186,7 +186,7 @@ public void close() throws IOException {
                 if (input != null) {
                     input.close();
                 }
-                // cloneRefs.remove(ref); // For now don't remove for debugging
+                cloneRefs.remove(ref);
             }
         }
         super.close();
diff --git a/server/src/main/java/org/opensearch/index/store/remote/utils/cache/LRUCache.java b/server/src/main/java/org/opensearch/index/store/remote/utils/cache/LRUCache.java
index 03d03711f914a..41832da621fd3 100644
--- a/server/src/main/java/org/opensearch/index/store/remote/utils/cache/LRUCache.java
+++ b/server/src/main/java/org/opensearch/index/store/remote/utils/cache/LRUCache.java
@@ -224,9 +224,11 @@ public void incRef(K key) {
                     lru.remove(node.key);
                 }
 
+                // INC REF debug statement
                 node.refCount++;
-            }
+                System.out.println("INC REF: " + node.key.toString() + " to " + node.refCount);
 
+            }
         } finally {
             lock.unlock();
         }
@@ -239,7 +241,14 @@ public void decRef(K key) {
         try {
             Node<K, V> node = data.get(key);
             if (node != null && node.refCount > 0) {
+
+                // DEC REF debug statement
                 node.refCount--;
+                System.out.println("DEC REF: " + node.key.toString() + " to " + node.refCount);
+
+                if (node.refCount == 0) {
+                    System.out.println("0000000000000000000000000 " + node.key.toString());
+                }
 
                 if (node.evictable()) {
                     // if it becomes evictable, we should add it to eviction list
@@ -360,6 +369,9 @@ private void evict() {
             data.remove(node.key, node);
             usage -= node.weight;
             statsCounter.recordEviction(node.weight);
+
+            System.out.println("EVICTING FILE -: " + node.key.toString());
+
             listener.onRemoval(new RemovalNotification<>(node.key, node.value, RemovalReason.CAPACITY));
         }
     }