danny0405 commented on code in PR #7255:
URL: https://github.com/apache/hudi/pull/7255#discussion_r1027545946
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hudi-client/hudi-spark-client/src/main/java/org/apache/hudi/table/action/commit/UpsertPartitioner.java:
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@@ -372,7 +372,7 @@ protected static long averageBytesPerRecord(HoodieTimeline
commitTimeline, Hoodi
long avgSize = hoodieWriteConfig.getCopyOnWriteRecordSizeEstimate();
long fileSizeThreshold = (long)
(hoodieWriteConfig.getRecordSizeEstimationThreshold() *
hoodieWriteConfig.getParquetSmallFileLimit());
try {
- if (!commitTimeline.empty()) {
+ if (hoodieWriteConfig.getRecordSizeEstimationThreshold() > 0 &&
!commitTimeline.empty()) {
// Go over the reverse ordered commits to get a more recent estimate
of average record size.
Iterator<HoodieInstant> instants =
commitTimeline.getReverseOrderedInstants().iterator();
Review Comment:
> data size is fixed in some sense, more the hudi community did not
encourage adding a more boolean variable to control whether to use the last
commit avgSize, then we use the estimation threshold, when it is less than 0,
we use the default estimate record size.
Did you mean the records size Variance is large ？
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