SERVER-36956 SnapshotTooOld errors will always increase the snapshot history window size

2 files changed, 8 insertions, 8 deletions

diff --git a/src/mongo/db/storage/devnull/devnull_kv_engine.cpp b/src/mongo/db/storage/devnull/devnull_kv_engine.cpp
index 6ae745c5587..e9437a18908 100644
--- a/src/mongo/db/storage/devnull/devnull_kv_engine.cpp
+++ b/src/mongo/db/storage/devnull/devnull_kv_engine.cpp
@@ -261,13 +261,13 @@ SortedDataInterface* DevNullKVEngine::getSortedDataInterface(OperationContext* o
     return new DevNullSortedDataInterface();
 }
 
-bool DevNullKVEngine::isCacheUnderPressure(OperationContext* opCtx) const {
-    return (_cachePressureForTest >= snapshotWindowParams.cachePressureThreshold.load());
+int64_t DevNullKVEngine::getCacheOverflowTableInsertCount(OperationContext* opCtx) const {
+    return _overflowTableInsertCountForTest;
 }
 
-void DevNullKVEngine::setCachePressureForTest(int pressure) {
-    invariant(pressure >= 0 && pressure <= 100);
-    _cachePressureForTest = pressure;
+void DevNullKVEngine::setCacheOverflowTableInsertCountForTest(int insertsCount) {
+    invariant(insertsCount >= 0);
+    _overflowTableInsertCountForTest = insertsCount;
 }
 
 StatusWith<std::vector<std::string>> DevNullKVEngine::beginNonBlockingBackup(
diff --git a/src/mongo/db/storage/devnull/devnull_kv_engine.h b/src/mongo/db/storage/devnull/devnull_kv_engine.h
index e753e8805c0..04900f06fae 100644
--- a/src/mongo/db/storage/devnull/devnull_kv_engine.h
+++ b/src/mongo/db/storage/devnull/devnull_kv_engine.h
@@ -97,9 +97,9 @@ public:
         return true;
     }
 
-    virtual bool isCacheUnderPressure(OperationContext* opCtx) const override;
+    virtual int64_t getCacheOverflowTableInsertCount(OperationContext* opCtx) const override;
 
-    virtual void setCachePressureForTest(int pressure) override;
+    virtual void setCacheOverflowTableInsertCountForTest(int insertCount) override;
 
     virtual int64_t getIdentSize(OperationContext* opCtx, StringData ident) {
         return 1;
@@ -150,6 +150,6 @@ public:
 private:
     std::shared_ptr<void> _catalogInfo;
 
-    int _cachePressureForTest;
+    int _overflowTableInsertCountForTest;
 };
 }