diff --git a/src/backend/BackendIndexer.cpp b/src/backend/BackendIndexer.cpp
index 4aa17fa9..f3ddf8c5 100644
--- a/src/backend/BackendIndexer.cpp
+++ b/src/backend/BackendIndexer.cpp
@@ -209,7 +209,6 @@ BackendIndexer::finish(uint32_t ledgerSequence, BackendInterface const& backend)
     BOOST_LOG_TRIVIAL(debug)
         << __func__
         << " starting. sequence = " << std::to_string(ledgerSequence);
-    bool isFirst = false;
     auto keyIndex = getKeyIndexOfSeq(ledgerSequence);
     if (isFirst_)
     {
diff --git a/src/backend/CassandraBackend.cpp b/src/backend/CassandraBackend.cpp
index d45e1eb3..439caa7f 100644
--- a/src/backend/CassandraBackend.cpp
+++ b/src/backend/CassandraBackend.cpp
@@ -7,6 +7,7 @@ template <class T, class F>
 void
 processAsyncWriteResponse(T& requestParams, CassFuture* fut, F func)
 {
+    BOOST_LOG_TRIVIAL(debug) << __func__ << " Processing async write response";
     CassandraBackend const& backend = *requestParams.backend;
     auto rc = cass_future_error_code(fut);
     if (rc != CASS_OK)
@@ -39,6 +40,7 @@ template <class T>
 void
 processAsyncWrite(CassFuture* fut, void* cbData)
 {
+    BOOST_LOG_TRIVIAL(debug) << __func__ << " processing async write";
     T& requestParams = *static_cast<T*>(cbData);
     // TODO don't pass in func
     processAsyncWriteResponse(requestParams, fut, requestParams.retry);
@@ -56,6 +58,7 @@ struct WriteCallbackData
     WriteCallbackData(CassandraBackend const* b, T&& d, B bind)
         : backend(b), data(std::move(d))
     {
+        BOOST_LOG_TRIVIAL(debug) << "Making WriteCallbackData";
         retry = [bind, this](auto& params, bool isRetry) {
             auto statement = bind(params);
             backend->executeAsyncWrite(
@@ -69,7 +72,10 @@ struct WriteCallbackData
     virtual void
     start()
     {
+        BOOST_LOG_TRIVIAL(debug) << "Starting";
+        BOOST_LOG_TRIVIAL(debug) << "address is  " << this;
         retry(*this, false);
+        BOOST_LOG_TRIVIAL(debug) << "Started";
     }
 
     virtual void
@@ -82,6 +88,7 @@ struct WriteCallbackData
     }
     virtual ~WriteCallbackData()
     {
+        BOOST_LOG_TRIVIAL(debug) << __func__;
     }
 };
 template <class T, class B>
@@ -342,8 +349,11 @@ CassandraBackend::fetchTransactions(
         statement.bindBytes(hashes[i]);
         cbs.push_back(std::make_shared<ReadCallbackData>(
             numOutstanding, mtx, cv, [i, &results](auto& result) {
-                results[i] = {
-                    result.getBytes(), result.getBytes(), result.getUInt32()};
+                if (result.hasResult())
+                    results[i] = {
+                        result.getBytes(),
+                        result.getBytes(),
+                        result.getUInt32()};
             }));
         executeAsyncRead(statement, processAsyncRead, *cbs[i]);
     }
@@ -480,7 +490,8 @@ CassandraBackend::fetchLedgerObjects(
     {
         cbs.push_back(std::make_shared<ReadCallbackData>(
             numOutstanding, mtx, cv, [i, &results](auto& result) {
-                results[i] = result.getBytes();
+                if (result.hasResult())
+                    results[i] = result.getBytes();
             }));
         CassandraStatement statement{selectObject_};
         statement.bindBytes(keys[i]);
@@ -515,7 +526,7 @@ CassandraBackend::writeKeys(
         statement.bindBytes(key);
         return statement;
     };
-    std::atomic_int numOutstanding = keys.size();
+    std::atomic_int numOutstanding = 0;
     std::condition_variable cv;
     std::mutex mtx;
     std::vector<std::shared_ptr<BulkWriteCallbackData<
diff --git a/src/backend/CassandraBackend.h b/src/backend/CassandraBackend.h
index efa9baa3..92ea0889 100644
--- a/src/backend/CassandraBackend.h
+++ b/src/backend/CassandraBackend.h
@@ -108,6 +108,15 @@ public:
         cass_statement_set_consistency(statement_, CASS_CONSISTENCY_QUORUM);
     }
 
+    CassandraStatement(CassandraStatement&& other)
+    {
+        statement_ = other.statement_;
+        other.statement_ = nullptr;
+        curBindingIndex_ = other.curBindingIndex_;
+        other.curBindingIndex_ = 0;
+    }
+    CassandraStatement(CassandraStatement const& other) = delete;
+
     CassStatement*
     get() const
     {
@@ -950,11 +959,15 @@ public:
         T callback,
         S& callbackData) const
     {
+        BOOST_LOG_TRIVIAL(debug) << "Executing";
+
+        BOOST_LOG_TRIVIAL(debug) << "address = " << &callbackData;
         CassFuture* fut = cass_session_execute(session_.get(), statement.get());
 
         cass_future_set_callback(
             fut, callback, static_cast<void*>(&callbackData));
         cass_future_free(fut);
+        BOOST_LOG_TRIVIAL(debug) << "Submitted callback";
     }
     template <class T, class S>
     void
diff --git a/src/etl/ReportingETL.cpp b/src/etl/ReportingETL.cpp
index 0cb2a7a7..b577930e 100644
--- a/src/etl/ReportingETL.cpp
+++ b/src/etl/ReportingETL.cpp
@@ -114,10 +114,13 @@ ReportingETL::loadInitialLedger(uint32_t startingSequence)
         << "Deserialized ledger header. " << detail::toString(lgrInfo);
 
     backend_->startWrites();
+    BOOST_LOG_TRIVIAL(debug) << __func__ << " started writes";
     backend_->writeLedger(
         lgrInfo, std::move(*ledgerData->mutable_ledger_header()), true);
+    BOOST_LOG_TRIVIAL(debug) << __func__ << " wrote ledger";
     std::vector<AccountTransactionsData> accountTxData =
         insertTransactions(lgrInfo, *ledgerData);
+    BOOST_LOG_TRIVIAL(debug) << __func__ << " inserted txns";
 
     auto start = std::chrono::system_clock::now();
 
@@ -126,6 +129,7 @@ ReportingETL::loadInitialLedger(uint32_t startingSequence)
     // consumes from the queue and inserts the data into the Ledger object.
     // Once the below call returns, all data has been pushed into the queue
     loadBalancer_->loadInitialLedger(startingSequence);
+    BOOST_LOG_TRIVIAL(debug) << __func__ << " loaded initial ledger";
 
     if (!stopping_)
     {