chenjunjiedada commented on a change in pull request #2591:
URL: https://github.com/apache/iceberg/pull/2591#discussion_r635789279
##########
File path: core/src/main/java/org/apache/iceberg/actions/BinPackStrategy.java
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@@ -162,4 +163,27 @@ private void validateOptions() {
"Cannot set %s is less than 1. All values less than 1 have the same
effect as 1. %d < 1",
MIN_INPUT_FILES, minInputFiles);
}
+
+ protected long targetFileSize() {
+ return this.targetFileSize;
+ }
+
+ /**
+ * Ideally every Spark Task that is generated will be less than or equal to
our target size but
+ * in practice this is not the case. When we actually write our files, they
may exceed the target
+ * size and end up being split. This would end up producing 2 files out of
one task, one target sized
+ * and one very small file. Since the output file can vary in size, it is
better to
+ * use a slightly larger (but still within threshold) size for actually
writing the tasks out.
Review comment:
Thanks for the information! I was wondering whether this could happen to
Avro as well since it is a row-based file format and it might not have the
dictionary encoding.
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