diff --git a/arcanist/linter/LocaleDependenceLinter.php b/arcanist/linter/LocaleDependenceLinter.php
--- a/arcanist/linter/LocaleDependenceLinter.php
+++ b/arcanist/linter/LocaleDependenceLinter.php
@@ -14,7 +14,10 @@
       "atoi",
     ],
     "src/core_read.cpp" => ["is_digit"],
-    "src/dbwrapper.cpp" => ["vsnprintf"],
+    "src/dbwrapper.cpp" => [
+        "stoul",
+        "vsnprintf"
+    ],
     "src/httprpc.cpp" => ["trim"],
     "src/init.cpp" => ["atoi"],
     "src/netbase.cpp" => ["to_lower"],
diff --git a/src/dbwrapper.h b/src/dbwrapper.h
--- a/src/dbwrapper.h
+++ b/src/dbwrapper.h
@@ -196,6 +196,9 @@
     //! the database itself
     leveldb::DB *pdb;
 
+    //! the name of this database
+    std::string m_name;
+
     //! a key used for optional XOR-obfuscation of the database
     std::vector<uint8_t> obfuscate_key;
 
@@ -281,6 +284,9 @@
 
     bool WriteBatch(CDBBatch &batch, bool fSync = false);
 
+    // Get an estimate of LevelDB memory usage (in bytes).
+    size_t DynamicMemoryUsage() const;
+
     // not available for LevelDB; provide for compatibility with BDB
     bool Flush() { return true; }
 
diff --git a/src/dbwrapper.cpp b/src/dbwrapper.cpp
--- a/src/dbwrapper.cpp
+++ b/src/dbwrapper.cpp
@@ -93,7 +93,8 @@
 }
 
 CDBWrapper::CDBWrapper(const fs::path &path, size_t nCacheSize, bool fMemory,
-                       bool fWipe, bool obfuscate) {
+                       bool fWipe, bool obfuscate)
+    : m_name(fs::basename(path)) {
     penv = nullptr;
     readoptions.verify_checksums = true;
     iteroptions.verify_checksums = true;
@@ -159,12 +160,34 @@
 }
 
 bool CDBWrapper::WriteBatch(CDBBatch &batch, bool fSync) {
+    const bool log_memory = LogAcceptCategory(BCLog::LEVELDB);
+    double mem_before = 0;
+    if (log_memory) {
+        mem_before = DynamicMemoryUsage() / 1024.0 / 1024;
+    }
     leveldb::Status status =
         pdb->Write(fSync ? syncoptions : writeoptions, &batch.batch);
     dbwrapper_private::HandleError(status);
+    if (log_memory) {
+        double mem_after = DynamicMemoryUsage() / 1024.0 / 1024;
+        LogPrint(
+            BCLog::LEVELDB,
+            "WriteBatch memory usage: db=%s, before=%.1fMiB, after=%.1fMiB\n",
+            m_name, mem_before, mem_after);
+    }
     return true;
 }
 
+size_t CDBWrapper::DynamicMemoryUsage() const {
+    std::string memory;
+    if (!pdb->GetProperty("leveldb.approximate-memory-usage", &memory)) {
+        LogPrint(BCLog::LEVELDB,
+                 "Failed to get approximate-memory-usage property\n");
+        return 0;
+    }
+    return stoul(memory);
+}
+
 // Prefixed with null character to avoid collisions with other keys
 //
 // We must use a string constructor which specifies length so that we copy past