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

This reverts commit 8899b34e1044b08aec7ad9f8546652456472702c.

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 28048f6edc4..8255616eba7 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 @@ std::unique_ptr<SortedDataInterface> DevNullKVEngine::getSortedDataInterface(
     return std::make_unique<DevNullSortedDataInterface>();
 }
 
-int64_t DevNullKVEngine::getCacheOverflowTableInsertCount(OperationContext* opCtx) const {
-    return _overflowTableInsertCountForTest;
+bool DevNullKVEngine::isCacheUnderPressure(OperationContext* opCtx) const {
+    return (_cachePressureForTest >= snapshotWindowParams.cachePressureThreshold.load());
 }
 
-void DevNullKVEngine::setCacheOverflowTableInsertCountForTest(int insertsCount) {
-    invariant(insertsCount >= 0);
-    _overflowTableInsertCountForTest = insertsCount;
+void DevNullKVEngine::setCachePressureForTest(int pressure) {
+    invariant(pressure >= 0 && pressure <= 100);
+    _cachePressureForTest = pressure;
 }
 
 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 7fcf3968f5c..5f52ed44b7d 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 int64_t getCacheOverflowTableInsertCount(OperationContext* opCtx) const override;
+    virtual bool isCacheUnderPressure(OperationContext* opCtx) const override;
 
-    virtual void setCacheOverflowTableInsertCountForTest(int insertCount) override;
+    virtual void setCachePressureForTest(int pressure) override;
 
     virtual int64_t getIdentSize(OperationContext* opCtx, StringData ident) {
         return 1;
@@ -154,6 +154,6 @@ public:
 private:
     std::shared_ptr<void> _catalogInfo;
 
-    int _overflowTableInsertCountForTest;
+    int _cachePressureForTest;
 };
 }