ConeyLiu commented on code in PR #1187:
URL: https://github.com/apache/parquet-mr/pull/1187#discussion_r1426080566
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parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetFileReader.java:
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@@ -123,10 +123,19 @@ public class ParquetFileReader implements Closeable {
public static String PARQUET_READ_PARALLELISM =
"parquet.metadata.read.parallelism";
+ private ParquetMetricsCallback metricsCallback;
+
private final ParquetMetadataConverter converter;
private final CRC32 crc;
+ /**
+ * set a callback to send back metrics info
+ */
+ public void initMetrics(ParquetMetricsCallback callback) {
Review Comment:
Why not set the `callback` in `ParquetReadOptions`?
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