Quanlong Huang created IMPALA-12821:
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Summary: test_create_table_profile_events fails if event-processor
is stopped
Key: IMPALA-12821
URL: https://issues.apache.org/jira/browse/IMPALA-12821
Project: IMPALA
Issue Type: Bug
Reporter: Quanlong Huang
Assignee: Quanlong Huang
test_create_table_profile_events could fail due to "Fetched event batch from
Metastore" not found in the query profile:
{noformat}
query_test/test_observability.py:487: in test_create_table_profile_events
"DDL finished"
query_test/test_observability.py:522: in __verify_event_labels_in_profile
assert label in profile
E assert 'Fetched event batch from Metastore' in 'Query
(id=5445c5c5b44dcc6b:beb0d40100000000):\n Summary:\n Session ID:
ea43c7f87eaf82d5:5464e9acfdaf11ad\n Ses...: 6.000us\n - RPCWriteTimer:
55.000us\n - RowMaterializationRate: 0\n - RowMaterializationTimer:
0.000ns\n'{noformat}
The cause is that event-processor was stopped due to an error. In such case,
this timeline label won't be added.
{code:java}
private static final String FETCHED_HMS_EVENT_BATCH =
"Fetched event batch from Metastore";
private List<NotificationEvent> getNextMetastoreEventsIfEnabled(
EventSequence catalogTimeline, long eventId, NotificationFilter
eventsFilter)
throws MetastoreNotificationException {
if (!catalog_.isEventProcessingActive()) return Collections.emptyList();
List<NotificationEvent> events = MetastoreEventsProcessor
.getNextMetastoreEventsInBatches(catalog_, eventId, eventsFilter);
if (catalogTimeline != null) {
catalogTimeline.markEvent(FETCHED_HMS_EVENT_BATCH);
}
return events;
}
{code}
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