Andor Molnar created HBASE-28254:
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Summary: Flaky test: TestTableShell
Key: HBASE-28254
URL: https://issues.apache.org/jira/browse/HBASE-28254
Project: HBase
Issue Type: Test
Components: flakies, integration tests
Reporter: Andor Molnar
Assignee: Andor Molnar
The test is running the following Ruby commands:
{noformat}
# Instert test data
@test_table.put(1, "x:a", 1)
@test_table.put(2, "x:raw1", 11)
@test_table.put(2, "x:raw1", 11)
@test_table.put(2, "x:raw1", 11)
@test_table.put(2, "x:raw1", 11)
{noformat}
And validate the versions with:
{noformat}
args = { VERSIONS => 10, RAW => true } # Since 4 versions of row with rowkey 2
is been added, we can use any number >= 4 for VERSIONS to scan all 4 versions.
num_rows = 0
@test_table._scan_internal(args) do # Raw Scan
num_rows += 1
end
# 5 since , 1 from row key '1' and other 4 from row key '4'
assert_equal(num_rows, 5,
'Num rows scanned without RAW/VERSIONS are not 5')
{noformat}
Which sometimes (almost always on fast machines) fails, because it only finds 3
versions out of 4. I believe this due to commands are running too fast and
inserts data with same timestamp, so HBase cannot distinguish them. I'd like to
add some sleep between puts to fix it.
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