Jackie-Jiang commented on code in PR #14957:
URL: https://github.com/apache/pinot/pull/14957#discussion_r1936388971
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pinot-core/src/main/java/org/apache/pinot/core/data/manager/BaseTableDataManager.java:
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@@ -396,6 +396,18 @@ protected void
replaceSegmentIfCrcMismatch(SegmentDataManager segmentDataManager
_logger.info("Segment: {} has CRC: {} same as before, not replacing it",
segmentName, localMetadata.getCrc());
return;
}
+ Schema schema = indexLoadingConfig.getSchema();
+ String segmentTier = zkMetadata.getTier();
+ SegmentDirectory segmentDirectory =
+ initSegmentDirectory(segmentName, String.valueOf(zkMetadata.getCrc()),
indexLoadingConfig);
+ // We should first try to reuse existing segment directory
+ if (isDirectoryReusable(zkMetadata, segmentTier, segmentDirectory,
indexLoadingConfig, schema)) {
Review Comment:
I don't fully follow. When CRC mismatch, we should always download a new
copy from the deep store right?
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