MaxGekk commented on a change in pull request #31066:
URL: https://github.com/apache/spark/pull/31066#discussion_r556497006
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File path:
sql/hive/src/test/scala/org/apache/spark/sql/hive/PartitionedTablePerfStatsSuite.scala
##########
@@ -405,8 +405,8 @@ class PartitionedTablePerfStatsSuite
})
executorPool.shutdown()
executorPool.awaitTermination(30, TimeUnit.SECONDS)
- assert(HiveCatalogMetrics.METRIC_FILES_DISCOVERED.getCount() == 50)
-
assert(HiveCatalogMetrics.METRIC_PARALLEL_LISTING_JOB_COUNT.getCount() == 1)
+ assert(HiveCatalogMetrics.METRIC_FILES_DISCOVERED.getCount() == 100)
+
assert(HiveCatalogMetrics.METRIC_PARALLEL_LISTING_JOB_COUNT.getCount() == 2)
Review comment:
The problem is in
https://github.com/apache/spark/blob/3fdbc48373cdf12b8ba05632bc65ad49b7af1afb/sql/core/src/main/scala/org/apache/spark/sql/internal/CatalogImpl.scala#L517
It triggers additional files listen. It seems we triggered that everywhere
where we replaced `sessionCatalog.refreshTable` by `CatalogImpl.refreshTable()`
or added a call to `CatalogImpl.refreshTable()`.
cc @cloud-fan @HyukjinKwon @sunchao @dongjoon-hyun
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