[perf improvement] go lockless between allocation into different chunks
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Device/Data
enhancement
- Dominant language
- C++
- Stars
- 29
- Forks
- 30
- Avg merge
- 2d 4h
- Merged PRs (30d)
- 6
Description
ReplDev doesn't distinguish whether alloc writes are from same shard or not.
From HomeStore we want to parallel those allocation on different chunks, and only sequentialize for allocation/writes on same chunk to achieve much better HDD write performance (for NVMe it doesn't matter).
This enhancement should only be on when underlying is HDD devices.
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