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Implement parallel ARC eviction #16486

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Implement parallel ARC eviction #16486

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Commits on Sep 11, 2024

  1. Implement parallel ARC eviction 

    Read and write performance can become limited by the arc_evict
process being single threaded. Additional data cannot be added
to the ARC until sufficient existing data is evicted.

On many-core systems with TBs of RAM, a single thread becomes
a significant bottleneck.

With the change we see a 25% increase in read and write throughput

Sponsored-by: Expensify, Inc.
Sponsored-by: Klara, Inc.
Co-authored-by: Allan Jude <allan@klarasystems.com>
Co-authored-by: Mateusz Piotrowski <mateusz.piotrowski@klarasystems.com>
Signed-off-by: Alexander Stetsenko <alex.stetsenko@klarasystems.com>
Signed-off-by: Allan Jude <allan@klarasystems.com>
Signed-off-by: Mateusz Piotrowski <mateusz.piotrowski@klarasystems.com>
    @allanjude @0mp
    3 people committed Sep 11, 2024
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