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Posted to commits@pinot.apache.org by GitBox <gi...@apache.org> on 2022/02/24 18:22:55 UTC
[GitHub] [pinot] jackjlli commented on a change in pull request #8242: handle lineage with empty segmentsFrom
jackjlli commented on a change in pull request #8242:
URL: https://github.com/apache/pinot/pull/8242#discussion_r814149767
##########
File path: pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/PinotHelixResourceManager.java
##########
@@ -2963,6 +2961,19 @@ public String startReplaceSegments(String tableNameWithType, List<String> segmen
return segmentLineageEntryId;
}
+ // TODO: Add more conflict checks over segmentsTo later.
+ private static boolean isConflicted(List<String> segmentsFrom, LineageEntry lineageEntry, TableConfig tableConfig) {
+ if (isRefreshTable(tableConfig)) {
+ return CollectionUtils.isEqualCollection(segmentsFrom, lineageEntry.getSegmentsFrom());
+ }
+ // For APPEND table, skip conflict checks if segmentsFrom is empty.
Review comment:
Add TODO here saying for APPEND table, if the new segments from 2 batch jobs are overlapping, then we should reject either one of the batch jobs.
##########
File path: pinot-controller/src/test/java/org/apache/pinot/controller/helix/core/PinotHelixResourceManagerTest.java
##########
@@ -885,6 +913,33 @@ private void testSegmentReplacementForRefresh()
Assert.assertEquals(new HashSet<>(ControllerTestUtils.getHelixResourceManager()
.getSegmentsFor(OFFLINE_SEGMENTS_REPLACE_TEST_REFRESH_TABLE_NAME, true)),
new HashSet<>(Arrays.asList("s12", "s13", "s14")));
+
+ // Check empty segmentsFrom reverts previous lineage with empty segmentsFrom
+ // Start a new segment replacement with empty segmentsFrom.
+ segmentsFrom = new ArrayList<>();
+ segmentsTo = Arrays.asList("s15", "s16");
+ String lineageEntryId5 = ControllerTestUtils.getHelixResourceManager()
+ .startReplaceSegments(OFFLINE_SEGMENTS_REPLACE_TEST_REFRESH_TABLE_NAME, segmentsFrom, segmentsTo, false);
+ segmentLineage = SegmentLineageAccessHelper
+ .getSegmentLineage(ControllerTestUtils.getPropertyStore(), OFFLINE_SEGMENTS_REPLACE_TEST_REFRESH_TABLE_NAME);
+ Assert.assertEquals(segmentLineage.getLineageEntry(lineageEntryId5).getSegmentsFrom(), segmentsFrom);
+ Assert.assertEquals(segmentLineage.getLineageEntry(lineageEntryId5).getSegmentsTo(), segmentsTo);
+ Assert.assertEquals(segmentLineage.getLineageEntry(lineageEntryId5).getState(), LineageEntryState.IN_PROGRESS);
+
+ // Upload partial data
+ ControllerTestUtils.getHelixResourceManager().addNewSegment(OFFLINE_SEGMENTS_REPLACE_TEST_REFRESH_TABLE_NAME,
+ SegmentMetadataMockUtils.mockSegmentMetadata(OFFLINE_SEGMENTS_REPLACE_TEST_REFRESH_TABLE_NAME, "s15"),
+ "downloadUrl");
+
+ // Start another new segment replacement with empty segmentsFrom,
+ // and check that previous lineages with empty segmentsFrom are reverted.
+ segmentsTo = Arrays.asList("s17", "s18");
+ String lineageEntryId6 = ControllerTestUtils.getHelixResourceManager()
+ .startReplaceSegments(OFFLINE_SEGMENTS_REPLACE_TEST_REFRESH_TABLE_NAME, segmentsFrom, segmentsTo, true);
+ segmentLineage = SegmentLineageAccessHelper
+ .getSegmentLineage(ControllerTestUtils.getPropertyStore(), OFFLINE_SEGMENTS_REPLACE_TEST_REFRESH_TABLE_NAME);
+ Assert.assertEquals(segmentLineage.getLineageEntry(lineageEntryId5).getState(), LineageEntryState.REVERTED);
+ Assert.assertEquals(segmentLineage.getLineageEntry(lineageEntryId6).getState(), LineageEntryState.IN_PROGRESS);
Review comment:
I suggest invoking an end call at the end in case more tests need to be added in the future.
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