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reuse memory for parallelSortSpillHelper‘s tmpSpillChunk #53861

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Tracked by #52318
hawkingrei opened this issue Jun 6, 2024 · 0 comments · Fixed by #53859
Closed
Tracked by #52318

reuse memory for parallelSortSpillHelper‘s tmpSpillChunk #53861

hawkingrei opened this issue Jun 6, 2024 · 0 comments · Fixed by #53859
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affects-8.1 This bug affects the 8.1.x(LTS) versions. type/enhancement The issue or PR belongs to an enhancement.

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@hawkingrei
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hawkingrei commented Jun 6, 2024 •
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Enhancement

we get a profiler while we benchmark sync load. it takes too much time on the newParallelSortSpillHelper. it is unnecessary.

https://flamegraph.com/share/4dca9137-2419-11ef-ab1b-b6898751f631

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@hawkingrei hawkingrei added the type/enhancement The issue or PR belongs to an enhancement. label Jun 6, 2024
This was referenced Jun 6, 2024
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ti-chi-bot bot pushed a commit that referenced this issue Jun 7, 2024
@hawkingrei
executor: reuse memory for parallelSortSpillHelper (#53859)
b9b5ec6 
close #53861
@ti-chi-bot ti-chi-bot mentioned this issue Jun 7, 2024
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@ti-chi-bot ti-chi-bot added the affects-8.1 This bug affects the 8.1.x(LTS) versions. label Jun 7, 2024
@ti-chi-bot ti-chi-bot mentioned this issue Jun 8, 2024
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13 tasks
ti-chi-bot bot pushed a commit that referenced this issue Jun 8, 2024
@ti-chi-bot
executor: reuse memory for parallelSortSpillHelper (#53859) (#53879)
b7a6c25 
close #53861
@ti-chi-bot ti-chi-bot mentioned this issue Jun 8, 2024
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affects-8.1 This bug affects the 8.1.x(LTS) versions. type/enhancement The issue or PR belongs to an enhancement.
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executor: reuse memory for parallelSortSpillHelper hawkingrei/tidb
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