private static synchronized MemoryManager getThreadLocalOrcLlapMemoryManager(final Configuration conf) {
    if (threadLocalOrcLlapMemoryManager == null) {
      threadLocalOrcLlapMemoryManager = ThreadLocal.withInitial(() -> new LlapAwareMemoryManager(conf));
    }
    return threadLocalOrcLlapMemoryManager.get();
  }
Create an ORC file reader.
@param fs file system
@param path file name to read from
@return a new ORC file reader.
@throws IOException
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcFile.java