DanielZhu58 commented on code in PR #6438:
URL: https://github.com/apache/hive/pull/6438#discussion_r3192653972
##########
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/conf/MetastoreConf.java:
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@@ -1290,6 +1290,21 @@ public enum ConfVars {
"metastore.partition.management.table.pattern", "*",
"Automatic partition management will look for tables using the specified
table pattern"),
+
STATISTICS_MANAGEMENT_TASK_FREQUENCY("metastore.statistics.management.task.frequency",
+ "metastore.statistics.management.task.frequency",
+ 7, TimeUnit.DAYS, "Frequency at which timer task runs to do
automatic statistics management for tables\n" +
+ "with table property 'statistics.auto.deletion'='true'. Statistics
management include 2 configs. \n" +
+ "One is 'statistics.auto.deletion', and the other is
'statistics.retention.period'. \n" +
+ "When 'statistics.auto.deletion'='true' is set, statistics
management will look for tables which their\n " +
+ "column statistics are over the retention period, and then delete
the column stats. \n"),
+ STATISTICS_RETENTION_PERIOD("metastore.statistics.retention.period",
+ "metastore.statistics.retention.period", 365, TimeUnit.DAYS, "The
retention period " +
+ "that we want to keep the stats for each table, which means if the
stats are older than this period\n" +
+ "of time, the stats will be automatically deleted. \n"),
+
+ STATISTICS_AUTO_DELETION("statistics.auto.deletion",
"statistics.auto.deletion", true,
+ "Whether table/partition column statistics will be auto deleted
after retention period"),
Review Comment:
Acknowledged and changed.
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