diff --git a/db/version_set.cc b/db/version_set.cc
index 90276d5..c9dd8a0 100644
--- a/db/version_set.cc
+++ b/db/version_set.cc
@@ -107,7 +107,7 @@ int FindFile(const InternalKeyComparator& icmp,
   }
 
   while(right < files.size()) {
-    printf("file ind %d num %d largest deadtime %d parsed deadtime %d\n",
+    printf("file ind %d num %lu largest deadtime %lu parsed deadtime %lu\n",
     right,files[right]->number,files[right]->largest_deadtime,parsed.deadTime);
     if(files[right]->largest_deadtime >= parsed.deadTime) {
       break;
@@ -303,7 +303,7 @@ void Version::ForEachOverlapping(Slice user_key, Slice internal_key, void* arg,
   const Comparator* ucmp = vset_->icmp_.user_comparator();
   ParsedInternalKey parsed;
   ParseInternalKey(internal_key,&parsed);
-  printf("parsed lookup deadtime : %d\n",parsed.deadTime);
+  printf("parsed lookup deadtime : %lu\n",parsed.deadTime);
   // Search level-0 in order from newest to oldest.
   std::vector<FileMetaData*> tmp;
   tmp.reserve(files_[0].size());
@@ -380,7 +380,7 @@ Status Version::Get(const ReadOptions& options, const LookupKey& k,
       state->s = state->vset->table_cache_->Get(*state->options, f->number,
                                                 f->file_size, state->ikey,
                                                 &state->saver, SaveValue);
-      printf("file level %d num %d\n",level,f->number);
+      printf("file level %d num %lu\n", level, f->number);
       std::cout<<"state->s ->saver.state: "<<state->s.ok()<<" "<<state->saver.state<<std::endl;
       if (!state->s.ok()) {
         state->found = true;