rdblue commented on a change in pull request #263: [WIP] Make metrics
collection configurable via table properties
URL: https://github.com/apache/incubator-iceberg/pull/263#discussion_r300879667
##########
File path: spark/src/main/java/org/apache/iceberg/spark/source/Writer.java
##########
@@ -251,12 +252,14 @@ public String toString() {
@Override
public FileAppender<InternalRow> newAppender(OutputFile file, FileFormat
fileFormat) {
Schema schema = spec.schema();
+ MetricsSpec metricsSpec = MetricsSpec.fromProperties(properties);
try {
switch (fileFormat) {
case PARQUET:
return Parquet.write(file)
.createWriterFunc(msgType ->
SparkParquetWriters.buildWriter(schema, msgType))
.setAll(properties)
+ .metricsSpec(metricsSpec)
Review comment:
You're right, that would require passing the table, which is probably why we
don't do this. Then this is fine as you have it.
We don't want to serialize the table everywhere. That's difficult and there
is no guarantee that `TableOperations` is serializable.
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