danny0405 commented on code in PR #18967:
URL: https://github.com/apache/hudi/pull/18967#discussion_r3392749666
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hudi-common/src/main/java/org/apache/hudi/avro/AvroRecordContext.java:
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@@ -70,8 +71,16 @@ public AvroRecordContext() {
public static Object getFieldValueFromIndexedRecord(
IndexedRecord record,
String fieldName) {
- HoodieSchema currentSchema =
HoodieSchema.fromAvroSchema(record.getSchema());
+ // Interning returns the canonical wrapper for this schema, whose lazily
built field list and
+ // field map survive across calls, so the per-record cost is a cache hit
instead of an
+ // O(schema width) wrapper rebuild.
+ HoodieSchema currentSchema =
HoodieSchemaCache.intern(HoodieSchema.fromAvroSchema(record.getSchema()));
IndexedRecord currentRecord = record;
+ if (fieldName.indexOf('.') < 0) {
Review Comment:
is this necessary, the perf should be no difference.
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