title: Netbeans keeps transferring maven repository index, even though I have disabled it
body: <p>Although I have set "Index Update Frequency" to "<a href="https://stackoverflow.com/a/26879923/69537">Never</a>":</p>
  
  <p><a href="https://i.stack.imgur.com/JiRaQ.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/JiRaQ.jpg" alt="enter image description here"></a></p>
  
  <p>Netbeans frequently tries to transfer maven repository index which consumes a lot of my bandwidth:</p>
  
  <p><a href="https://i.stack.imgur.com/rcg36.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/rcg36.jpg" alt="enter image description here"></a></p>
  
  <p>Is it fine if I check "Completely disable indexing" option? It says that it's not recommended and many features will be limited. What features will be limited exactly?</p>