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avoid thundering herd problem when timeout the stats sync load #50957

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hawkingrei opened this issue Feb 4, 2024 · 0 comments · Fixed by #50956
Closed

avoid thundering herd problem when timeout the stats sync load #50957

hawkingrei opened this issue Feb 4, 2024 · 0 comments · Fixed by #50956
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affects-6.5 This bug affects the 6.5.x(LTS) versions. affects-7.1 This bug affects the 7.1.x(LTS) versions. affects-7.5 This bug affects the 7.5.x(LTS) versions. type/enhancement The issue or PR belongs to an enhancement.

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@hawkingrei
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Enhancement

we need to load the stats cache in the background. but if we meet the timeout, we must wait constantly to retry. it will happen thundering herd. so we need to add the rand sleep to prevent it.
@hawkingrei hawkingrei added the type/enhancement The issue or PR belongs to an enhancement. label Feb 4, 2024
@hawkingrei hawkingrei mentioned this issue Feb 4, 2024
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ti-chi-bot bot pushed a commit that referenced this issue Feb 4, 2024
@hawkingrei
*: avoid thundering herd problem when timeout the stats sync load (#5…
69917c0 
…0956)

close #50957
This was referenced Feb 8, 2024
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@ti-chi-bot ti-chi-bot added affects-7.1 This bug affects the 7.1.x(LTS) versions. affects-6.5 This bug affects the 6.5.x(LTS) versions. affects-7.5 This bug affects the 7.5.x(LTS) versions. labels Feb 8, 2024
ti-chi-bot bot pushed a commit that referenced this issue Feb 8, 2024
@ti-chi-bot
*: avoid thundering herd problem when timeout the stats sync load (#5…
9df78f1 
…0956) (#51067)

close #50957
ti-chi-bot bot pushed a commit that referenced this issue Feb 13, 2024
@ti-chi-bot
*: avoid thundering herd problem when timeout the stats sync load (#5…
0bca811 
…0956) (#51065)

close #50957
ti-chi-bot bot pushed a commit that referenced this issue Feb 13, 2024
@ti-chi-bot
*: avoid thundering herd problem when timeout the stats sync load (#5…
c9644ce 
…0956) (#51066)

close #50957
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affects-6.5 This bug affects the 6.5.x(LTS) versions. affects-7.1 This bug affects the 7.1.x(LTS) versions. affects-7.5 This bug affects the 7.5.x(LTS) versions. type/enhancement The issue or PR belongs to an enhancement.
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*: avoid thundering herd problem when timeout the stats sync load hawkingrei/tidb
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