From fa63db9e59c9b45e448c00d5126c68b394ad7585 Mon Sep 17 00:00:00 2001
From: Randolph Tan <randolph@10gen.com>
Date: Thu, 27 Feb 2020 18:15:47 -0500
Subject: SERVER-14126 Add range deleter stats for serverStatus under
 shardingStatistics

---
 src/mongo/db/s/metadata_manager.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/mongo/db/s/metadata_manager.cpp')

diff --git a/src/mongo/db/s/metadata_manager.cpp b/src/mongo/db/s/metadata_manager.cpp
index b1551890cdf..96d3b5c75a0 100644
--- a/src/mongo/db/s/metadata_manager.cpp
+++ b/src/mongo/db/s/metadata_manager.cpp
@@ -279,6 +279,19 @@ void MetadataManager::append(BSONObjBuilder* builder) const {
     amrArr.done();
 }
 
+void MetadataManager::appendForServerStatus(BSONArrayBuilder* builder) const {
+    auto numRangeDeletes = ([this] {
+        stdx::lock_guard<Latch> lg(_managerLock);
+        return _rangesScheduledForDeletion.size();
+    })();
+
+    if (numRangeDeletes > 0) {
+        BSONObjBuilder statBuilder;
+        statBuilder.appendNumber(_nss.ns(), numRangeDeletes);
+        builder->append(statBuilder.obj());
+    }
+}
+
 SharedSemiFuture<void> MetadataManager::beginReceive(ChunkRange const& range) {
     stdx::lock_guard<Latch> lg(_managerLock);
     invariant(!_metadata.empty());
-- 
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