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perf: performance scene#4013

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ngjaying wants to merge 11 commits intomaster-ekfrom
master-perf-fixes
Closed

perf: performance scene#4013
ngjaying wants to merge 11 commits intomaster-ekfrom
master-perf-fixes

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@ngjaying ngjaying commented Mar 20, 2026

This PR includes several performance optimizations and a planner fix:

  • fix(planner): avoid schema null panics in slice mode
  • perf(function): optimize changed_cols structure
  • perf: sample record metrics every 128 items
  • perf: optimize xsql evaluation hotspots
  • perf: pre-compile FieldRef accessors in ProjectOp
  • fix: resolve variable shadowing in ValuerEval.Eval causing panic
  • perf: optimize ProjectOp projection loop and pre-allocate buffers
  • perf: reuse argument and key slices in ValuerEval
  • perf: optimize state access and CHANGED_COLS comparison
  • perf: reuse ValuerEval and MultiValuer in ProjectOp
  • perf: implement lock-free statistics using atomics

ngjaying added 11 commits March 17, 2026 11:01
@ngjaying
perf: implement lock-free statistics using atomics
b2b6504 
Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying
perf: reuse ValuerEval and MultiValuer in ProjectOp
8ab5ec4 
Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying
perf: optimize state access and CHANGED_COLS comparison
88a87f8 
Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying
perf: reuse argument and key slices in ValuerEval
afc2122 
Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying
perf: optimize ProjectOp projection loop and pre-allocate buffers
063f0ff 
Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying
fix: resolve variable shadowing in ValuerEval.Eval causing panic
2069734 
Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying
perf: pre-compile FieldRef accessors in ProjectOp
8aeb3c8 
Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying
perf: optimize xsql evaluation hotspots
d11d7bc 
Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying
perf: sample record metrics every 128 items
21a57e6 
Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying
perf(function): optimize changed_cols structure
b8272ae 
- Use slice IndexValues inside ResultCols
- Drop support for wildcard expansion
- Skip state saving if no values change

Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying
fix(planner): avoid schema null panics in slice mode
49ebad7 
Signed-off-by: Jiyong Huang <huangjy@emqx.io>
@ngjaying ngjaying changed the title Performance Optimizations and Planner Fixes perf: performance scene Mar 20, 2026
@ngjaying ngjaying closed this Mar 20, 2026
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