zabetak commented on a change in pull request #2991:
URL: https://github.com/apache/hive/pull/2991#discussion_r800666998
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File path: ql/src/java/org/apache/hadoop/hive/ql/stats/BasicStatsTask.java
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@@ -512,6 +513,8 @@ private String toString(Map<String, String> parameters) {
if (dpPartSpecs != null) {
// load the list of DP partitions and return the list of partition
specs
list.addAll(dpPartSpecs);
+ // Reload partition metadata because another BasicStatsTask instance
may have updated the stats.
+ list = db.getPartitionsByNames(table,
list.stream().map(Partition::getName).collect(Collectors.toList()));
Review comment:
Truth is that things are a bit different here (in comparison with the
state before HIVE-15250) in the sense that we are calling
`getPartitionsByNames` instead of `getPartition` so if I understand well it
will be only one call to DB and not multiple so maybe the perf overhead is not
as important as it was in HIVE-15250.
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