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Prevent rebalancing immediately after resetting the cache #8634

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rleungx opened this issue Sep 18, 2024 · 0 comments
Open

Prevent rebalancing immediately after resetting the cache #8634

rleungx opened this issue Sep 18, 2024 · 0 comments
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type/enhancement The issue or PR belongs to an enhancement.

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rleungx commented Sep 18, 2024

Enhancement Task

When we reset the cache through HTTP admin API or online recovery, the PD will rebalance the region and leader immediately. However, the region information that scheduling relies on is incomplete because of the gap in different region heartbeats. And the distribution of region won't change too much. So PD should wait for at least one round of region heartbeat.
@rleungx rleungx added the type/enhancement The issue or PR belongs to an enhancement. label Sep 18, 2024
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