[HIVE-6300] Add documentation for stats configs to hive-default.xml.template

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.13.0
• Fix Version/s: 0.13.0
• Component/s: Query Processor, Statistics
• Assignee: Prasanth Jayachandran
• Reporter: Prasanth Jayachandran
• Created: 24/Jan/14 01:18
• Updated: 23/Mar/14 08:08
• Resolved: 29/Jan/14 18:59

Description

Add documentation for the following configs
hive.stats.max.variable.length
hive.stats.list.num.entries
hive.stats.map.num.entries
hive.stats.map.parallelism
hive.stats.fetch.column.stats
hive.stats.avg.row.size
hive.stats.join.factor
hive.stats.deserialization.factor
hive.stats.fetch.partition.stats

Issue Links

• relates to: HIVE-5898 Make fetching of column statistics configurable
• relates to: HIVE-5921 Better heuristics for worst case statistics estimates for join, limit and filter operator
• relates to: HIVE-6298 Add config flag to turn off fetching partition stats
• relates to: HIVE-5369 Annotate hive operator tree with statistics from metastore