dongjoon-hyun commented on a change in pull request #27293:
[SPARK-29938][SQL][FOLLOW-UP] Improve AlterTableAddPartitionCommand
URL: https://github.com/apache/spark/pull/27293#discussion_r369728709
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
##########
@@ -2155,6 +2155,15 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val ADD_PARTITION_BATCH_SIZE =
+ buildConf("spark.sql.addPartitionInBatch.size")
+ .internal()
+ .doc("The number of partitions to be handled in one turn when use " +
+ "`AlterTableAddPartitionCommand` to add partitions into table. The
smaller " +
+ "batch size is, the less memory is required for the real handler, e.g.
Hive Metastore.")
+ .intConf
Review comment:
Maybe, `> 0`? Do you think we have a reasonable upper bound for this, too?
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