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improve memory when to use stat cache #44461

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hawkingrei opened this issue Jun 7, 2023 · 0 comments
Open

improve memory when to use stat cache #44461

hawkingrei opened this issue Jun 7, 2023 · 0 comments
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component/statistics sig/planner SIG: Planner type/enhancement

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hawkingrei commented Jun 7, 2023 •
edited

Enhancement

Currently, the stat cache update process requires a full copy of the cache, which results in significant memory overhead, especially for large tables and partitions. This enhancement issue aims to improve the stat cache update process for scenarios where the number of tables and partitions is high.
@hawkingrei hawkingrei mentioned this issue Jun 7, 2023
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@hawkingrei hawkingrei mentioned this issue Jul 3, 2023
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12 tasks
This was referenced Jul 6, 2023
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ti-chi-bot bot pushed a commit that referenced this issue Jul 7, 2023
@qw4990
planner: simplify StatsCacheWrapper (#45230)
351e379 
ref #44461
@qw4990 qw4990 mentioned this issue Jul 7, 2023
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ti-chi-bot bot pushed a commit that referenced this issue Jul 7, 2023
@qw4990
planner: simplify StatsCachePointer (#45238)
19ea6e0 
ref #44461
@qw4990 qw4990 mentioned this issue Jul 10, 2023
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ti-chi-bot bot pushed a commit that referenced this issue Jul 10, 2023
@qw4990
planner: simplify StatsCacheWrapper (#45254)
aeda06e 
ref #44461
@qw4990 qw4990 mentioned this issue Jul 10, 2023
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12 tasks
ti-chi-bot bot pushed a commit that referenced this issue Jul 10, 2023
@qw4990
planner: simplify StatsCacheInner (#45256)
cac0db2 
ref #44461
@qw4990 qw4990 mentioned this issue Jul 11, 2023
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ti-chi-bot bot pushed a commit that referenced this issue Jul 11, 2023
@qw4990
planner: remove unnecessary method StatsCache.FreshMemUsage (#45294)
bd59ea3 
ref #44461
This was referenced Jul 12, 2023
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@qw4990 qw4990 self-assigned this Mar 16, 2024
@qw4990 qw4990 mentioned this issue Mar 25, 2024
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