static void createBootstrapFileIfAbsent(ReplicaId replica) throws IOException {
    File bootstrapFile = new File(replica.getReplicaPath(), bootstrapInProgressFileName);
    if (!bootstrapFile.exists()) {
      bootstrapFile.createNewFile();
    }
  }
Create a bootstrap file in given replica directory if the file is not present.
@param replica the {@link ReplicaId} whose directory should contain the bootstrap file.
@throws IOException
ambry-store/src/main/java/com/github/ambry/store/StorageManager.java