When you know the row key you can use Get. HBase should automatically convert the Scan with same start and end key as get. With the get the block reads in a HFile are positional reads(better for random reads) than seek + read(better for scanning).
When you know the row key you can use Get. HBase should automatically convert the Scan with same start and end key as get. With the get the block reads in a HFile are positional reads(better for random reads) than seek + read(better for scanning).