[IMPALA-10245] Test fails in TestKuduReadTokenSplit.test_kudu_scanner

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: Impala 4.0.0
• Epic Color: ghx-label-12
• Assignee: Bikramjeet Vig
• Reporter: Quanlong Huang
• Created: 16/Oct/20 03:47
• Updated: 23/Oct/20 17:12
• Resolved: 23/Oct/20 17:12

Description

Tests with erasure-coding enabled failed in: 

query_test.test_kudu.TestKuduReadTokenSplit.test_kudu_scanner[protocol: beeswax | exec_option: \{'kudu_read_mode': 'READ_AT_SNAPSHOT', 'batch_size': 0, 'num_nodes': 0, 'disable_codegen_rows_threshold': 0, 'disable_codegen': False, 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: kudu/none] (from pytest)

query_test/test_kudu.py:1508: in test_kudu_scanner
    targeted_kudu_scan_range_length=None, plans=plans)
query_test/test_kudu.py:1542: in __get_num_scanner_instances
    assert len(matches.groups()) == 1
E   AttributeError: 'NoneType' object has no attribute 'groups' 

Issue Links

• is caused by: IMPALA-9792 Split Kudu scan ranges into smaller chunks for greater paralellelism