Index: hbase-server/src/main/java/org/apache/hadoop/hbase/tool/Canary.java =================================================================== --- hbase-server/src/main/java/org/apache/hadoop/hbase/tool/Canary.java (revision 1557223) +++ hbase-server/src/main/java/org/apache/hadoop/hbase/tool/Canary.java (working copy) @@ -621,7 +621,8 @@ scan.setCaching(1); scan.setMaxResultSize(1L); stopWatch.start(); - table.getScanner(scan); + ResultScanner s = table.getScanner(scan); + s.close(); stopWatch.stop(); } this.getSink().publishReadTiming(tableName, serverName, stopWatch.getTime());