diff --git a/src/backend/utils/cache/plancache.c b/src/backend/utils/cache/plancache.c
index abc3062..210c049 100644
--- a/src/backend/utils/cache/plancache.c
+++ b/src/backend/utils/cache/plancache.c
@@ -431,6 +431,37 @@ CompleteCachedPlan(CachedPlanSource *plansource,
 
 	plansource->is_complete = true;
 	plansource->is_valid = true;
+
+	{
+		MemoryContextCounters counters;
+		MemoryContext context;
+		Size		csize,
+					qcsize = 0,
+					gpsize = 0;
+
+		memset(&counters, 0, sizeof(counters));
+		context = plansource->context;
+		context->methods->stats(context, NULL, NULL, &counters);
+		csize = counters.totalspace;
+
+		if (plansource->query_context)
+		{
+			memset(&counters, 0, sizeof(counters));
+			context = plansource->query_context;
+			context->methods->stats(context, NULL, NULL, &counters);
+			qcsize = counters.totalspace;
+		}
+
+		if (plansource->gplan)
+		{
+			memset(&counters, 0, sizeof(counters));
+			context = plansource->gplan->context;
+			context->methods->stats(context, NULL, NULL, &counters);
+			gpsize = counters.totalspace;
+		}
+		elog(LOG, "CompleteCachedPlan: %zu context, %zu query_context, %zu gplan",
+			 csize, qcsize, gpsize);
+	}
 }
 
 /*
@@ -1188,6 +1219,38 @@ GetCachedPlan(CachedPlanSource *plansource, ParamListInfo boundParams,
 			/* Update generic_cost whenever we make a new generic plan */
 			plansource->generic_cost = cached_plan_cost(plan, false);
 
+
+			{
+				MemoryContextCounters counters;
+				MemoryContext context;
+				Size		csize,
+							qcsize = 0,
+							gpsize = 0;
+
+				memset(&counters, 0, sizeof(counters));
+				context = plansource->context;
+				context->methods->stats(context, NULL, NULL, &counters);
+				csize = counters.totalspace;
+
+				if (plansource->query_context)
+				{
+					memset(&counters, 0, sizeof(counters));
+					context = plansource->query_context;
+					context->methods->stats(context, NULL, NULL, &counters);
+					qcsize = counters.totalspace;
+				}
+
+				if (plansource->gplan)
+				{
+					memset(&counters, 0, sizeof(counters));
+					context = plansource->gplan->context;
+					context->methods->stats(context, NULL, NULL, &counters);
+					gpsize = counters.totalspace;
+				}
+				elog(LOG, "GetCachedPlan: %zu context, %zu query_context, %zu gplan",
+					 csize, qcsize, gpsize);
+			}
+
 			/*
 			 * If, based on the now-known value of generic_cost, we'd not have
 			 * chosen to use a generic plan, then forget it and make a custom