hbase is not deleting the cell when a Put with a KeyValue, KeyValue.Type.Delete is submitted

["Armaselu, Cristian" <ca...@epsilon.com>]

Hello,

We're running Hbase 0.96.1.1 under CDH5.0.2 and we're seeing a different behavior than with CDH 4.8 (Hbase .94.xx)

Running the code below is creating an empty cell instead of no cell for this line of code
        String tname = "my_test";
        Configuration configuration = HBaseConfiguration.create();
        HBaseAdmin baseAdmin = new HBaseAdmin(configuration);
        baseAdmin.disableTable(tname);
        baseAdmin.deleteTable(tname);
        TableName tableName = TableName.valueOf(tname);
        HTableDescriptor tableDescriptor = new HTableDescriptor(tableName);
        HColumnDescriptor columnDescriptor = new HColumnDescriptor("default");
        tableDescriptor.addFamily(columnDescriptor);
        baseAdmin.createTable(tableDescriptor);
        final String rowKey = "12345";
        final Put p = new Put(Bytes.toBytes(rowKey));
        for (int j = 0; j < 3; j++) {
            for (int i = 0; i < 6; i++) {
                final byte[] family = Bytes.toBytes("default");
                final byte[] column = Bytes.toBytes("c" + i);
                if (i == 5) {
                    p.add(new KeyValue(p.getRow(), family, column, HConstants.LATEST_TIMESTAMP, KeyValue.Type.Delete));
                } else {
                    p.add(family, column, Bytes.toBytes("c" + i + "_value_" + (j+1)));
                }
            }
        }
        HTableInterface table = new HTable(configuration, tableName);
        table.put(p);

hbase shell

hbase(main):003:0* scan 'my_test'
ROW                                                 COLUMN+CELL
 12345                                              column=default:c0, timestamp=1408396641845, value=c0_value_3
 12345                                              column=default:c1, timestamp=1408396641845, value=c1_value_3
 12345                                              column=default:c2, timestamp=1408396641845, value=c2_value_3
 12345                                              column=default:c3, timestamp=1408396641845, value=c3_value_3
 12345                                              column=default:c4, timestamp=1408396641845, value=c4_value_3
 12345                                              column=default:c5, timestamp=1408396641845, value=
1 row(s) in 0.3580 seconds

Is there any way we can get the old behavior back?
To be more exact I expect the hbase shell scan to return the following:

hbase(main):003:0* scan 'my_test'
ROW                                                 COLUMN+CELL
 12345                                              column=default:c0, timestamp=1408396641845, value=c0_value_3
 12345                                              column=default:c1, timestamp=1408396641845, value=c1_value_3
 12345                                              column=default:c2, timestamp=1408396641845, value=c2_value_3
 12345                                              column=default:c3, timestamp=1408396641845, value=c3_value_3
 12345                                              column=default:c4, timestamp=1408396641845, value=c4_value_3
1 row(s) in 0.3580 seconds

Thanks,
Cristian Armaselu
Solution Architect
Shared Technology Services

6021 Connection Drive
Irving, TX 75039
carmaselu@epsilon.com<ma...@epsilon.com>
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