From 4656912cbe7026c975b938076addd3b160ccf785 Mon Sep 17 00:00:00 2001
From: "Jeff Washington (jwash)" <jeff.washington@anza.xyz>
Date: Thu, 22 Aug 2024 14:16:37 -0500
Subject: [PATCH] add index stat accounts_not_found_in_index (#2686)

---
 accounts-db/src/accounts_db.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/accounts-db/src/accounts_db.rs b/accounts-db/src/accounts_db.rs
index 058500443b9094..c84d7fd81be90d 100644
--- a/accounts-db/src/accounts_db.rs
+++ b/accounts-db/src/accounts_db.rs
@@ -2028,6 +2028,7 @@ pub struct ShrinkStats {
     alive_accounts: AtomicU64,
     accounts_loaded: AtomicU64,
     purged_zero_lamports: AtomicU64,
+    accounts_not_found_in_index: AtomicU64,
 }
 
 impl ShrinkStats {
@@ -2131,6 +2132,11 @@ impl ShrinkStats {
                     self.purged_zero_lamports.swap(0, Ordering::Relaxed),
                     i64
                 ),
+                (
+                    "accounts_not_found_in_index",
+                    self.accounts_not_found_in_index.swap(0, Ordering::Relaxed),
+                    i64
+                ),
             );
         }
     }
@@ -2338,6 +2344,13 @@ impl ShrinkAncientStats {
                     .swap(0, Ordering::Relaxed),
                 i64
             ),
+            (
+                "accounts_not_found_in_index",
+                self.shrink_stats
+                    .accounts_not_found_in_index
+                    .swap(0, Ordering::Relaxed),
+                i64
+            ),
         );
     }
 }
@@ -3923,6 +3936,10 @@ impl AccountsDb {
                         alive_accounts.add(ref_count, stored_account, slot_list);
                         alive += 1;
                     }
+                } else {
+                    stats
+                        .accounts_not_found_in_index
+                        .fetch_add(1, Ordering::Relaxed);
                 }
                 index += 1;
                 result