anchor.diff:  
   A `reload-config` command is also supported, which is useful for validating a new configuration file, or if you want to specify a file, load it, and not have it reloaded again on import. If there is an `xml` mistake in the configuration a user-friendly message is returned in `xml` format. You can then fix the problem and do a `reload-config`.
   
  -[TIP]
  -====
  -You can also view the DIH configuration in the Solr Admin UI from the <<dataimport-screen.adoc#dataimport-screen,Dataimport Screen>>. It includes an interface to import content.
  -====
  +TIP: You can also view the DIH configuration in the Solr Admin UI from the <<dataimport-screen.adoc#dataimport-screen,Dataimport Screen>>. It includes an interface to import content.
   
   ==== DIH Request Parameters
   
  
positive.code: Usual JDBC connection properties.
  
  batchSize::
  
  Passed to `Statement#setFetchSize`, default value 500.
  +
  For MySQL driver, which doesn't honor fetchSize and pulls whole resultSet, which often lead to OutOfMemoryError.
  +
  In this case, set `batchSize=-1` that pass setFetchSize(Integer.MIN_VALUE), and switch result set to pull row by row
  
  
  All of them substitute properties via `${placeholders}`.
  
  
negative.code: 
  [source,xml]
  ----
  <dataConfig>
  
    <dataSource driver="org.hsqldb.jdbcDriver" url="jdbc:hsqldb:./example-DIH/hsqldb/ex" --<1>
      user="sa" password="secret"/> --<2>
    <document> --<3>
      <entity name="item" query="select * from item"
              deltaQuery="select id from item where last_modified > '${dataimporter.last_index_time}'"> --<4>
  