diff --git a/src/ripple/app/ledger/InboundLedgers.h b/src/ripple/app/ledger/InboundLedgers.h
index dca4a80c54b..b12760153e2 100644
--- a/src/ripple/app/ledger/InboundLedgers.h
+++ b/src/ripple/app/ledger/InboundLedgers.h
@@ -83,6 +83,9 @@ class InboundLedgers
 
     virtual void
     stop() = 0;
+
+    virtual std::size_t
+    cacheSize() = 0;
 };
 
 std::unique_ptr<InboundLedgers>
diff --git a/src/ripple/app/ledger/LedgerReplayer.h b/src/ripple/app/ledger/LedgerReplayer.h
index 6866250485d..b06dd2cc858 100644
--- a/src/ripple/app/ledger/LedgerReplayer.h
+++ b/src/ripple/app/ledger/LedgerReplayer.h
@@ -125,6 +125,27 @@ class LedgerReplayer final
     void
     stop();
 
+    std::size_t
+    tasksSize() const
+    {
+        std::lock_guard<std::mutex> lock(mtx_);
+        return tasks_.size();
+    }
+
+    std::size_t
+    deltasSize() const
+    {
+        std::lock_guard<std::mutex> lock(mtx_);
+        return deltas_.size();
+    }
+
+    std::size_t
+    skipListsSize() const
+    {
+        std::lock_guard<std::mutex> lock(mtx_);
+        return skipLists_.size();
+    }
+
 private:
     mutable std::mutex mtx_;
     std::vector<std::shared_ptr<LedgerReplayTask>> tasks_;
diff --git a/src/ripple/app/ledger/impl/InboundLedgers.cpp b/src/ripple/app/ledger/impl/InboundLedgers.cpp
index 7ee49b4547a..0bff434edbc 100644
--- a/src/ripple/app/ledger/impl/InboundLedgers.cpp
+++ b/src/ripple/app/ledger/impl/InboundLedgers.cpp
@@ -411,6 +411,13 @@ class InboundLedgersImp : public InboundLedgers
         mRecentFailures.clear();
     }
 
+    std::size_t
+    cacheSize() override
+    {
+        ScopedLockType lock(mLock);
+        return mLedgers.size();
+    }
+
 private:
     clock_type& m_clock;
 
diff --git a/src/ripple/app/main/Application.cpp b/src/ripple/app/main/Application.cpp
index 8086ba4abd2..10ed603d135 100644
--- a/src/ripple/app/main/Application.cpp
+++ b/src/ripple/app/main/Application.cpp
@@ -1148,16 +1148,68 @@ class ApplicationImp : public Application, public BasicApp
                 << "; size after: " << getTempNodeCache().size();
         }
         {
-            // Validations do not expose the size of their containers.
+            std::size_t const oldCurrentCacheSize =
+                getValidations().sizeOfCurrentCache();
+            std::size_t const oldSizeSeqEnforcesSize =
+                getValidations().sizeOfSeqEnforcersCache();
+            std::size_t const oldByLedgerSize =
+                getValidations().sizeOfByLedgerCache();
+            std::size_t const oldBySequenceSize =
+                getValidations().sizeOfBySequenceCache();
+
             getValidations().expire(m_journal);
+
+            JLOG(m_journal.debug())
+                << "Validations Current expire.  Size before: "
+                << oldCurrentCacheSize
+                << "; size after: " << getValidations().sizeOfCurrentCache();
+
+            JLOG(m_journal.debug())
+                << "Validations SeqEnforcer expire.  Size before: "
+                << oldSizeSeqEnforcesSize << "; size after: "
+                << getValidations().sizeOfSeqEnforcersCache();
+
+            JLOG(m_journal.debug())
+                << "Validations ByLedger expire.  Size before: "
+                << oldByLedgerSize
+                << "; size after: " << getValidations().sizeOfByLedgerCache();
+
+            JLOG(m_journal.debug())
+                << "Validations BySequence expire.  Size before: "
+                << oldBySequenceSize
+                << "; size after: " << getValidations().sizeOfBySequenceCache();
         }
         {
-            // Inbound ledgers does not expose the size of their containers.
+            std::size_t const oldInboundLedgersSize =
+                getInboundLedgers().cacheSize();
+
             getInboundLedgers().sweep();
+
+            JLOG(m_journal.debug())
+                << "InboundLedgers sweep.  Size before: "
+                << oldInboundLedgersSize
+                << "; size after: " << getInboundLedgers().cacheSize();
         }
         {
-            // LedgerReplayer does not expose the size of their containers.
+            size_t const oldTasksSize = getLedgerReplayer().tasksSize();
+            size_t const oldDeltasSize = getLedgerReplayer().deltasSize();
+            size_t const oldSkipListsSize = getLedgerReplayer().skipListsSize();
+
             getLedgerReplayer().sweep();
+
+            JLOG(m_journal.debug())
+                << "LedgerReplayer tasks sweep.  Size before: " << oldTasksSize
+                << "; size after: " << getLedgerReplayer().tasksSize();
+
+            JLOG(m_journal.debug())
+                << "LedgerReplayer deltas sweep.  Size before: "
+                << oldDeltasSize
+                << "; size after: " << getLedgerReplayer().deltasSize();
+
+            JLOG(m_journal.debug())
+                << "LedgerReplayer skipLists sweep.  Size before: "
+                << oldSkipListsSize
+                << "; size after: " << getLedgerReplayer().skipListsSize();
         }
         {
             std::size_t const oldAcceptedLedgerSize =
diff --git a/src/ripple/consensus/Validations.h b/src/ripple/consensus/Validations.h
index a9dbd5585e2..1bef76d961c 100644
--- a/src/ripple/consensus/Validations.h
+++ b/src/ripple/consensus/Validations.h
@@ -1142,6 +1142,34 @@ class Validations
 
         return laggards;
     }
+
+    std::size_t
+    sizeOfCurrentCache() const
+    {
+        std::lock_guard lock{mutex_};
+        return current_.size();
+    }
+
+    std::size_t
+    sizeOfSeqEnforcersCache() const
+    {
+        std::lock_guard lock{mutex_};
+        return seqEnforcers_.size();
+    }
+
+    std::size_t
+    sizeOfByLedgerCache() const
+    {
+        std::lock_guard lock{mutex_};
+        return byLedger_.size();
+    }
+
+    std::size_t
+    sizeOfBySequenceCache() const
+    {
+        std::lock_guard lock{mutex_};
+        return bySequence_.size();
+    }
 };
 
 }  // namespace ripple
diff --git a/src/test/app/LedgerReplay_test.cpp b/src/test/app/LedgerReplay_test.cpp
index b535739353b..41c9a71e9f6 100644
--- a/src/test/app/LedgerReplay_test.cpp
+++ b/src/test/app/LedgerReplay_test.cpp
@@ -173,6 +173,12 @@ class MagicInboundLedgers : public InboundLedgers
     {
     }
 
+    virtual size_t
+    cacheSize() override
+    {
+        return 0;
+    }
+
     LedgerMaster& ledgerSource;
     LedgerMaster& ledgerSink;
     InboundLedgersBehavior bhvr;