title: How does impala provide faster query response compared to hive
body: <p>I have recently started looking into querying large sets of CSV data lying on HDFS using Hive and Impala. As I was expecting, I get better response time with Impala compared to Hive for the queries I have used so far.</p>
  
  <p>I am wondering if there are some types of queries/use cases that still need Hive and where Impala is not a good fit.</p>
  
  <p>How does Impala provide faster query response compared to Hive for the same data on HDFS?</p>