Apply InfoLogLevel to the logs in table/plain_table_index.cc

Summary: Apply InfoLogLevel to the logs in table/plain_table_index.cc

Test Plan: make

Reviewers: ljin, sdong, igor

Reviewed By: igor

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D27909

table/plain_table_index.cc

@@ -93,7 +93,8 @@ Slice PlainTableIndexBuilder::Finish() {
   BucketizeIndexes(&hash_to_offsets, &entries_per_bucket);
 
   keys_per_prefix_hist_.Add(num_keys_per_prefix_);
-  Log(ioptions_.info_log, "Number of Keys per prefix Histogram: %s",
+  Log(InfoLogLevel::INFO_LEVEL, ioptions_.info_log,
+      "Number of Keys per prefix Histogram: %s",
       keys_per_prefix_hist_.ToString().c_str());
 
   // From the temp data structure, populate indexes.
@@ -147,7 +148,8 @@ void PlainTableIndexBuilder::BucketizeIndexes(
 Slice PlainTableIndexBuilder::FillIndexes(
     const std::vector<IndexRecord*>& hash_to_offsets,
     const std::vector<uint32_t>& entries_per_bucket) {
-  Log(ioptions_.info_log, "Reserving %zu bytes for plain table's sub_index",
+  Log(InfoLogLevel::DEBUG_LEVEL, ioptions_.info_log,
+      "Reserving %zu bytes for plain table's sub_index",
       sub_index_size_);
   auto total_allocate_size = GetTotalSize();
   char* allocated = arena_->AllocateAligned(
@@ -191,7 +193,8 @@ Slice PlainTableIndexBuilder::FillIndexes(
   }
   assert(sub_index_offset == sub_index_size_);
 
-  Log(ioptions_.info_log, "hash table size: %d, suffix_map length %zu",
+  Log(InfoLogLevel::DEBUG_INFO, ioptions_.info_log,
+      "hash table size: %d, suffix_map length %zu",
       index_size_, sub_index_size_);
   return Slice(allocated, GetTotalSize());
 }