viirya commented on a change in pull request #31451:
URL: https://github.com/apache/spark/pull/31451#discussion_r606111670
##########
File path:
sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/PartitionReader.java
##########
@@ -51,7 +51,8 @@
T get();
/**
- * Returns an array of custom task metrics. By default it returns empty
array.
+ * Returns an array of custom task metrics. By default it returns empty
array. Note that it is
+ * not recommended to put heavy logic in this method as it may affect
reading performance.
Review comment:
So sounds like a feasible approach is to call `currentMetricsValues` and
update metrics per some rows and also update it at the end of the task?
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
