[HBASE-26289] Hbase scan setMaxResultsPerColumnFamily not giving right results

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1, 2.1.9, 2.2.7, 2.3.6, 2.4.6
• Fix Version/s: 2.5.0, 3.0.0-alpha-2, 2.3.7, 2.4.7
• Component/s: regionserver
• Assignee: Richárd Antal
• Reporter: Richárd Antal
• Created: 17/Sep/21 10:13
• Updated: 30/Sep/21 19:57
• Resolved: 29/Sep/21 08:48

Description

scan.setMaxResultsPerColumnFamily(1) is giving less number of row keys
vs when it is not set in the scan, on a table that has multiple column families and multiple qualifier or multiple versions for each cell 

Docs for setMaxResultsPerColumnFamily:

/**
 * Set the maximum number of values to return per row per Column Family
 * @param limit the maximum number of values returned / row / CF
 */

Issue Links

• links to: GitHub Pull Request #3687
• links to: GitHub Pull Request #3688
• links to: GitHub Pull Request #3701