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https://issues.apache.org/jira/browse/HIVE-22068?focusedWorklogId=296105&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-296105
]
ASF GitHub Bot logged work on HIVE-22068:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Aug/19 06:32
Start Date: 16/Aug/19 06:32
Worklog Time Spent: 10m
Work Description: sankarh commented on pull request #742: HIVE-22068 :
Add more logging to notification cleaner and replication to track events
URL: https://github.com/apache/hive/pull/742#discussion_r314596061
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File path:
itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/parse/TestReplicationScenariosExternalTables.java
##########
@@ -750,6 +766,38 @@ public Table apply(@Nullable Table table) {
.verifyResults(Arrays.asList("1", "2"));
}
+ @Test
+ public void testIncrementalDumpEmptyDumpDirectory() throws Throwable {
Review comment:
Add another test case where we dynamically bootstrap a table (table level
replication) with incremental dump but no events are dumped. It takes a special
route in executeIncrementalLoad() method Line: 503 and so I guess, as per
current change, it won't update the database last repl ID.
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Issue Time Tracking
-------------------
Worklog Id: (was: 296105)
Time Spent: 20m (was: 10m)
> Return the last event id dumped as repl status to avoid notification event
> missing error.
> -----------------------------------------------------------------------------------------
>
> Key: HIVE-22068
> URL: https://issues.apache.org/jira/browse/HIVE-22068
> Project: Hive
> Issue Type: Improvement
> Reporter: Ashutosh Bapat
> Assignee: Ashutosh Bapat
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-22068.01.patch, HIVE-22068.02.patch,
> HIVE-22068.03.patch, HIVE-22068.04.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> In repl load, update the status of target database to the last event dumped
> so that repl status returns that and next incremental can specify it as the
> event from which to start the dump. WIthout that repl status might return and
> old event which might cause, older events to be dumped again and/or a
> notification event missing error if the older events are cleaned by the
> cleaner.
> While at it
> * Add more logging to DB notification listener cleaner thread
> ** The time when it considered cleaning, the interval and time before which
> events were cleared, the min and max id at that time
> ** how many events were cleared
> ** min and max id after the cleaning.
> * In REPL::START document the starting event, end event if specified and the
> maximum number of events, if specified.
> *
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