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Phoenix
PHOENIX-1177
Cost-based query optimization
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Details
Type:
Bug
Status:
Resolved
Priority:
Major
Resolution:
Fixed
Affects Version/s:
None
Fix Version/s:
None
Component/s:
None
Labels:
None
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Sub-Tasks
1.
Gather and maintain stats for HBase tables in a designated HBase table
Resolved
ramkrishna.s.vasudevan
2.
Use stats to guide query parallelization
Closed
ramkrishna.s.vasudevan
3.
Perform partial scan for ANALYZE when table salted or local index
Closed
ramkrishna.s.vasudevan
4.
Only cache guideposts on physical PTable
Closed
ramkrishna.s.vasudevan
5.
Add StatisticsCollector to existing tables on first connection to cluster
Closed
ramkrishna.s.vasudevan
6.
Scan entire region when tenant-specific table is analyzed
Closed
ramkrishna.s.vasudevan
7.
Ensure Phoenix table is created for Local index and view index tables to store guideposts against them
Closed
James R. Taylor
8.
Update stats atomically
Closed
James R. Taylor
9.
Cleanup setting of timestamps when collecting and using stats
Closed
James R. Taylor
10.
Update ANALYZE syntax to collect stats on index tables and all tables
Closed
ramkrishna.s.vasudevan
11.
Add documentation for UPDATE STATISTICS command
Closed
ramkrishna.s.vasudevan
12.
Store statistics guideposts as VARBINARY
Closed
ramkrishna.s.vasudevan
13.
Collect row counts per region in stats table
Closed
ramkrishna.s.vasudevan
14.
Add unit test for stats not being maintained correctly through splits
Closed
ramkrishna.s.vasudevan
15.
Estimate byte count more accurately when split occurs
Resolved
Unassigned
16.
Collect row counts per tenant view
Resolved
Unassigned
Activity
People
Assignee:
Unassigned
Reporter:
James R. Taylor
Votes:
1
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Watchers:
7
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Dates
Created:
18/Aug/14 02:27
Updated:
18/Nov/15 20:40
Resolved:
18/Nov/15 20:40