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Better support for random file access #3321

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lemmih opened this issue Aug 3, 2023 · 1 comment · Fixed by #3338
Closed

Better support for random file access #3321

lemmih opened this issue Aug 3, 2023 · 1 comment · Fixed by #3338
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@ruseinov
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Priority: 2 - High

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@lemmih
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lemmih commented Aug 3, 2023

Issue summary

Consider using positioned-io in the CAR-back block stores. Benefits:

  • FADV_RANDOM on Linux and good performance on Windows.
  • Reading doesn't require ownership of the File handle. This means multiple threads can read from the same handle.

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@ruseinov
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ruseinov commented Aug 3, 2023

Would be interested in taking this on later to get familiar with car-backed store.

@ruseinov ruseinov self-assigned this Aug 6, 2023
@ruseinov ruseinov mentioned this issue Aug 8, 2023
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[Feature] Non-exclusive file access for car-backed stores ChainSafe/forest
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@ruseinov @lemmih