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Hello everyone,

             I came across the below piece of code in AmbariServer.java,
Can someone point me to some documentation on In-memory Persistence type or
on what context it would be used. Thanks in advance

  @Transactional
  protected void initDB() throws AmbariException {
    if (configs.getPersistenceType() == PersistenceType.IN_MEMORY ||
dbInitNeeded) {
      LOG.info("Database init needed - creating default data");
      Users users = injector.getInstance(Users.class);

      users.createUser("admin", "admin");
      users.createUser("user", "user");

      MetainfoEntity schemaVersion = new MetainfoEntity();
      schemaVersion.setMetainfoName(Configuration.SERVER_VERSION_KEY);

schemaVersion.setMetainfoValue(VersionUtils.getVersionSubstring(ambariMetaInfo.getServerVersion()));

      metainfoDAO.create(schemaVersion);
    }
  }


Thanks & Regards,
Anita Jebaraj