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https://issues.apache.org/jira/browse/IMPALA-12821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang resolved IMPALA-12821.
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Fix Version/s: Impala 4.4.0
Resolution: Fixed
> 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
> Priority: Major
> Fix For: Impala 4.4.0
>
>
> 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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