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T Patch Info Key Summary Assignee Reporter P Status Resolution Created Updated Due Development
Sub-task HBASE-21764

HBASE-20188 Size of in-memory compaction thread pool should be configurable

Zheng Hu Zheng Hu Major Resolved Fixed  
Sub-task HBASE-21750

HBASE-20188 Most of KeyValueUtil#length can be replaced by cell#getSerializedSize for better performance because the latter one has been optimized

Zheng Hu Zheng Hu Major Resolved Fixed  
Sub-task HBASE-21738

HBASE-20188 Remove all the CSLM#size operation in our memstore because it's an quite time consuming.

Zheng Hu Zheng Hu Critical Resolved Fixed  
Sub-task HBASE-21333

HBASE-20188 [amv2] large cluster startup is slow

Unassigned Michael Stack Major Open Unresolved  
Sub-task HBASE-20875

HBASE-20188 MemStoreLABImp::copyIntoCell uses 7% CPU when writing

Michael Stack Michael Stack Major Resolved Fixed  
Sub-task HBASE-20786

HBASE-20188 Table create with thousands of regions takes too long

Unassigned Michael Stack Major Open Unresolved  
Sub-task HBASE-20781

HBASE-20188 Save recalculating families in a WALEdit batch of Cells

Michael Stack Michael Stack Major Resolved Fixed  
Sub-task HBASE-20780

HBASE-20188 ServerRpcConnection logging cleanup

Michael Stack Michael Stack Major Resolved Fixed  
Sub-task HBASE-20716

HBASE-20188 Unsafe access cleanup

Sahil Aggarwal Michael Stack Critical Resolved Fixed  
Sub-task HBASE-20711

HBASE-20188 Save on a Cell iteration when writing

Michael Stack Michael Stack Minor Patch Available Unresolved  
Sub-task HBASE-20710

HBASE-20188 extra cloneFamily() in Mutation.add(Cell)

Hua Xiang Hua Xiang Minor Resolved Fixed  
Sub-task HBASE-20673

HBASE-20188 Reduce the number of Cell implementations; the profusion is distracting to users and JIT

Michael Stack Michael Stack Major In Progress Unresolved  
Sub-task HBASE-20628

HBASE-20188 SegmentScanner does over-comparing when one flushing

Michael Stack Michael Stack Critical Resolved Fixed  
Sub-task HBASE-20620

HBASE-20188 Tighter ByteBufferKeyValue Cell Comparator; part 2

Michael Stack Michael Stack Major Resolved Fixed  
Sub-task HBASE-20564

HBASE-20188 Tighter ByteBufferKeyValue Cell Comparator

Michael Stack Michael Stack Major Resolved Fixed  
Sub-task HBASE-20542

HBASE-20188 Better heap utilization for IMC with MSLABs

Eshcar Hillel Eshcar Hillel Major Resolved Fixed  
Sub-task HBASE-20483

HBASE-20188 [PERFORMANCE] Flushing is 2x slower in hbase2.

Michael Stack Michael Stack Major Resolved Fixed  
Sub-task HBASE-20455

HBASE-20188 [IHC] Workloadx

Unassigned Michael Stack Major Open Unresolved  
Sub-task HBASE-20454

HBASE-20188 [DOC] Add note on perf to upgrade section

Michael Stack Michael Stack Major Resolved Fixed  
Sub-task HBASE-20390

HBASE-20188 IMC Default Parameters for 2.0.0

Eshcar Hillel Eshcar Hillel Major Resolved Fixed  
Sub-task HBASE-20337

HBASE-20188 Update the doc on how to setup shortcircuit reads; its stale

Michael Stack Michael Stack Major Resolved Fixed  
Sub-task HBASE-20236

HBASE-20188 [locking] Write-time worst offenders

Unassigned Michael Stack Major Patch Available Unresolved  
Sub-task HBASE-20234

HBASE-20188 Expose in-memory compaction metrics

Anastasia Braginsky Michael Stack Major Open Unresolved  

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