debug-free-space.patch

diff --git a/src/backend/access/heap/hio.c b/src/backend/access/heap/hio.c
index d854a84bf3..d2da5e2e6e 100644
--- a/src/backend/access/heap/hio.c
+++ b/src/backend/access/heap/hio.c
@@ -526,10 +526,14 @@ loop:
 		 * Update FSM as to condition of this page, and ask for another page
 		 * to try.
 		 */
+elog(DEBUG1, "Not enough space on block %u", targetBlock);
 		targetBlock = RecordAndGetPageWithFreeSpace(relation,
 													targetBlock,
 													pageFreeSpace,
 													len + saveFreeSpace);
+if (targetBlock != InvalidBlockNumber)
+	elog(DEBUG1, "Now trying block %u", targetBlock);
+
 	}
 
 	/*
diff --git a/src/backend/storage/freespace/freespace.c b/src/backend/storage/freespace/freespace.c
index 46b95158db..762c1a9347 100644
--- a/src/backend/storage/freespace/freespace.c
+++ b/src/backend/storage/freespace/freespace.c
@@ -216,6 +216,8 @@ RecordAndGetPageWithFreeSpace(Relation rel, BlockNumber oldPage,
 				rel->rd_rel->relkind == RELKIND_TOASTVALUE) &&
 			   rel->fsm_local_map->map[oldPage] == FSM_LOCAL_AVAIL);
 
+elog(DEBUG1, "Updating local map for block %u", oldPage);
+
 		rel->fsm_local_map->map[oldPage] = FSM_LOCAL_NOT_AVAIL;
 		return fsm_local_search(rel);
 	}
@@ -235,6 +237,8 @@ RecordAndGetPageWithFreeSpace(Relation rel, BlockNumber oldPage,
 
 	/* Normal FSM logic follows */
 
+elog(DEBUG1, "Updating FSM for block %u", oldPage);
+
 	old_cat = fsm_space_avail_to_cat(oldSpaceAvail);
 	search_cat = fsm_space_needed_to_cat(spaceNeeded);