Update release note of 3.4

Summary: N/A

Test Plan: N/A

Reviewers: yhchiang, ljin

Reviewed By: ljin

Subscribers: dhruba, leveldb, igor

Differential Revision: https://reviews.facebook.net/D22053

HISTORY.md

@@ -2,6 +2,12 @@
 
 ### Unreleased
 ### New Features
+
+### Public API changes
+
+
+## 3.4.0 (8/18/2014)
+### New Features
 * Support Multiple DB paths in universal style compactions
 * Add feature of storing plain table index and bloom filter in SST file.
 * CompactRange() will never output compacted files to level 0. This used to be the case when all the compaction input files were at level 0.

db/db_impl.cc

@@ -579,14 +579,6 @@ void DBImpl::FindObsoleteFiles(DeletionState& deletion_state,
         deletion_state.candidate_files.emplace_back(log_file, 0);
       }
     }
-    // Add info log files in db_log_dir
-    if (options_.db_log_dir.empty() && options_.db_log_dir != dbname_) {
-      std::vector<std::string> info_log_files;
-      env_->GetChildren(options_.db_log_dir, &info_log_files);  // Ignore errors
-      for (std::string log_file : info_log_files) {
-        deletion_state.candidate_files.emplace_back(log_file, 0);
-      }
-    }
   }
 }