class_docstr: Log reader to read vdl log, support for frontend api in lib.py.
  
      
code: def update_meta_data(self, record):
      meta = record.values[0].meta_data
      if meta.display_name:
          self.name2tags[meta.display_name] = self.reader.dir
          self.tags2name[self.reader.dir] = meta.display_name
  
imports: import collections
  import os
  from functools import partial
  from visualdl.component import components
  from visualdl.io import bfile
  from visualdl.proto import record_pb2
  from visualdl.reader.record_reader import RecordReader
  from visualdl.server.data_manager import default_data_manager
  from visualdl.utils.string_util import decode_tag
  from visualdl.utils.string_util import encode_tag
label_desc: Use image node_id 11 for calling the LogReader obj's underlying member method code with example usage: obj.update_meta_data(record) without return types