[ https://issues.apache.org/jira/browse/HIVE-17265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jesus Camacho Rodriguez updated HIVE-17265: ------------------------------------------- Attachment: HIVE-17265.patch > Cache merged column stats from retrieved partitions > --------------------------------------------------- > > Key: HIVE-17265 > URL: https://issues.apache.org/jira/browse/HIVE-17265 > Project: Hive > Issue Type: Bug > Components: Statistics > Affects Versions: 3.0.0 > Reporter: Jesus Camacho Rodriguez > Assignee: Jesus Camacho Rodriguez > Attachments: HIVE-17265.patch > > > Currently when we retrieve stats from the metastore for a column in a > partitioned table, we will execute the logic to merge the column stats coming > from each partition multiple times. > Even though we avoid multiple calls to metastore if the cache for the stats > in enabled, merging the stats for a given column can take a large amount of > time if there is a large number of partitions. -- This message was sent by Atlassian JIRA (v6.4.14#64029)