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https://issues.apache.org/jira/browse/FLINK-9138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16449989#comment-16449989
]
ASF GitHub Bot commented on FLINK-9138:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/5860#discussion_r183758663
--- Diff:
flink-connectors/flink-connector-filesystem/src/test/java/org/apache/flink/streaming/connectors/fs/bucketing/BucketingSinkTest.java
---
@@ -436,6 +463,40 @@ public void testScalingUp() throws Exception {
checkFs(outDir, 0, 3, 5, 5);
}
+ @Test
+ public void testRolloverInterval() throws Exception {
+ final File outDir = tempFolder.newFolder();
+
+ OneInputStreamOperatorTestHarness<String, Object> testHarness =
createRescalingTestSinkWithRollover(outDir, 1, 0, 1000L, 100L);
+ testHarness.setup();
+ testHarness.open();
+
+ testHarness.setProcessingTime(0L);
+
+ testHarness.processElement(new StreamRecord<>("test1", 1L));
+ checkFs(outDir, 1, 0, 0, 0);
--- End diff --
check other `checkFs()` calls as well
> Enhance BucketingSink to also flush data by time interval
> ---------------------------------------------------------
>
> Key: FLINK-9138
> URL: https://issues.apache.org/jira/browse/FLINK-9138
> Project: Flink
> Issue Type: Improvement
> Components: filesystem-connector
> Affects Versions: 1.4.2
> Reporter: Narayanan Arunachalam
> Priority: Major
>
> BucketingSink now supports flushing data to the file system by size limit and
> by period of inactivity. It will be useful to also flush data by a specified
> time period. This way, the data will be written out when write throughput is
> low but there is no significant time period gaps between the writes. This
> reduces ETA for the data in the file system and should help move the
> checkpoints faster as well.
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