mxm commented on code in PR #13340:
URL: https://github.com/apache/iceberg/pull/13340#discussion_r2163537129
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flink/v2.0/flink/src/main/java/org/apache/iceberg/flink/sink/dynamic/TableMetadataCache.java:
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@@ -220,37 +238,59 @@ SchemaInfo getSchemaInfo() {
*/
static class SchemaInfo {
private final Map<Integer, Schema> schemas;
- private final Map<Schema, Tuple2<Schema, CompareSchemasVisitor.Result>>
lastResults;
+ private final Cache<Schema, SchemaCompareInfo> lastResults;
Review Comment:
+1 for reverting to LinkedList. We already did see some overhead for the
happy path without data conversion. I hope you don't mind this minor
modification @aiborodin. Thanks a lot for your hard work on this PR. It will
have a huge impact on the overall performance of the Dynamic Sink.
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