message: fixed the bug (didn't clear the metadata buffer for processes other than rank 0 at the end of each step)
diff: @@ -428,11 +428,12 @@ void BP4FileWriter::WriteCollectiveMetadataFile(const bool isFinal)
  /*Lipeng*/
  m_FileMetadataIndexManager.m_Transports.clear();
  }
  +
  + }
  /*Lipeng*/
  m_BP4Serializer.ResetBuffer(m_BP4Serializer.m_Metadata, true);
  m_BP4Serializer.ResetIndicesBuffer();
  }
  -}
  void BP4FileWriter::WriteData(const bool isFinal, const int transportIndex)
  {
  