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T Patch Info Key Summary Assignee Reporter P Status Resolution Created Updated Due Development
Sub-task IMPALA-5823

IMPALA-3200 SET_DENY_RESERVATION_PROBABILITY debug action is not always effective

Tim Armstrong Tim Armstrong Critical Resolved Fixed  
Sub-task IMPALA-5810

IMPALA-3200 Consider reducing RESERVATION_MIN_MEM_REMAINING

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5713

IMPALA-3200 Consider always reserving memory for grouping pre-aggregations

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5681

IMPALA-3200 Eagerly release reservation in blocking nodes

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5677

IMPALA-3200 Consider ways to reduce the accumulation of clean pages when executing large spilling queries

Tim Armstrong Tim Armstrong Critical Resolved Fixed  
Sub-task IMPALA-5676

IMPALA-3200 BufferedTupleStreamV2::CheckConsistency() is too slow for large streams with small pages in Debug build

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5673

IMPALA-3200 Track exchange node buffers memory as part of memory reservation

Tim Armstrong Mostafa Mokhtar Major Resolved Duplicate  
Sub-task IMPALA-5661

IMPALA-3200 Consider allowing configuration of buffer pool size

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5629

IMPALA-3200 list::size() in BufferedTupleStreamV2::AdvanceWritePage() is expensive

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5622

IMPALA-3200 Ensure test coverage for spilling disabled for all spilling operators

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5618

IMPALA-3200 Performance regresses on buffer pool dev branch for high-ndv aggregations

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5570

IMPALA-3200 Ensure that NAAJ works with spilling enabled and disabled.

Tim Armstrong Tim Armstrong Critical Resolved Fixed  
Sub-task IMPALA-5196

IMPALA-3200 Consider reducing partition fanout in Hash Join

Tim Armstrong Tim Armstrong Major Resolved Won't Fix  
Sub-task IMPALA-5166

IMPALA-3200 Clean up BufferPool profile counters

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5161

IMPALA-3200 TPC-DS Q78 with MEM_LIMIT=10GB fails with "Repartitioning did not reduce the size of a spilled partition" on BufferPool dev branch

Tim Armstrong Mostafa Mokhtar Critical Resolved Duplicate  
Sub-task IMPALA-5160

IMPALA-3200 Queries with a large number of small joins regress in terms of memory usage due to memory reservation

Tim Armstrong Mostafa Mokhtar Major Resolved Fixed  
Sub-task IMPALA-5158

IMPALA-3200 Account for difference between process memory consumption and memory used by queries

Tim Armstrong Mostafa Mokhtar Critical Resolved Fixed  
Sub-task IMPALA-5130

IMPALA-3200 MemTracker::EnableReservationReporting() is not thread-safe

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5124

IMPALA-3200 Fix BufferPool handling of scratch read errors

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5113

IMPALA-3200 Buffer pool unpinned invariant does not take into account multiply-pinned bytes

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-5085

IMPALA-3200 Backend support for large rows in BufferedTupleStream

Tim Armstrong Tim Armstrong Minor Resolved Fixed  
Sub-task IMPALA-4831

IMPALA-3200 Clients can violate BufferPool invariants by calling ReservationTracker methods directly.

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-4703

IMPALA-3200 Add reservation stress option for test coverage

Tim Armstrong Dan Hecht Minor Resolved Fixed  
Sub-task IMPALA-4678

IMPALA-3200 Set up query mem tracker in QueryState

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-4674

IMPALA-3200 Port spilling ExecNodes to new buffer pool

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-4114

IMPALA-3200 Port relevant BufferedBlockMgr unit tests for BufferPool

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-3748

IMPALA-3200 Compute memory reservation in planner and claim atomically in Prepare()

Tim Armstrong Tim Armstrong Minor Resolved Fixed  
Sub-task IMPALA-3208

IMPALA-3200 Backend support for large rows

Tim Armstrong Tim Armstrong Critical Resolved Fixed  
Sub-task IMPALA-3205

IMPALA-3200 Validate and fix spilling performance and memory usage of new buffer pool

Tim Armstrong Tim Armstrong Minor Resolved Fixed  
Sub-task IMPALA-3204

IMPALA-3200 Integrate buffer pool reservations with memtrackers

Tim Armstrong Tim Armstrong Minor Resolved Fixed  
Sub-task IMPALA-3203

IMPALA-3200 Implement scalable buffer recycling in buffer pool

Tim Armstrong Tim Armstrong Minor Resolved Fixed  
Sub-task IMPALA-3202

IMPALA-3200 Add spilling support to new buffer pool

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-3201

IMPALA-3200 Implement basic in-memory buffer pool

Tim Armstrong Tim Armstrong Major Resolved Fixed  
Sub-task IMPALA-2708

IMPALA-3200 Partitioned aggregation node repartitions when spilled partition could fit in memory

Tim Armstrong Tim Armstrong Minor Resolved Fixed  

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