Given that following is your entire dataset:How many sets of physical files will be read during a scan of the entire dataset immediately following a major compaction?
Answer(s): B
Your client application if; writing data to a Region. By default, where is the data saved first?
Answer(s): C
http://www.cloudera.com/blog/2012/07/hbase-log-splitting/ (Log splitting, first paragraph)
You want to do a full table scan on your data. You decide to disable block caching to see if this improves scan performance. Will disabling block caching improve scan performance?
Your client application needs to scan s region for the row key value 104. Given a store that contains the following list of Row Key values:100, 101, 102, 103, 104, 105, 106, 107A bloom filter would return which of the following?
You have 40 Web servers producing timeseries data from Web traffic logs. You want to attain high write throughput for storing this data in an HBase table. Which of these should you choose for a row key to maximize your write throughput?
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