swaroopak commented on a change in pull request #751: PHOENIX-5735 Add the
maxLookBack logic in the inline validation.
URL: https://github.com/apache/phoenix/pull/751#discussion_r403406696
##########
File path:
phoenix-core/src/main/java/org/apache/phoenix/coprocessor/IndexRebuildRegionScanner.java
##########
@@ -859,39 +899,54 @@ public boolean verifySingleIndexRow(Result indexRow,
IndexToolVerificationResult
(actual instanceof Delete && isDeleteFamily(actual))) {
expectedIndex++;
actualIndex++;
- matchingCount++;
continue;
}
}
- if (matchingCount > 0) {
- break;
+ break;
+ }
+
+ if (expectedIndex == expectedSize ){
+ // every expected mutation has its matching one in the actual list.
+ verificationPhaseResult.validIndexRowCount++;
+ return true;
+ }
+
+ if (isTimestampBeyondMaxLookBack(currentTime,
getTimestamp(expectedMutationList.get(expectedIndex)))){
+ if (expectedIndex > 0) {
+ // if current expected index mutation is beyond max look back
window, we only need to make sure its latest
+ // mutation is a matching one, as an SCN query is required.
+ verificationPhaseResult.validIndexRowCount++;
+ return true;
}
- verificationPhaseResult.invalidIndexRowCount++;
+
+ // All expected mutations are beyond the maxLookBack window, none
of them can find its matching one in actual list
+ // It may be caused by real bug or compaction on the data table.
Review comment:
compaction on the index table?
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