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Remove the thread pool from sync caches #316

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merged 11 commits into from Sep 3, 2023

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@tatsuya6502 tatsuya6502 commented Sep 3, 2023

This PR changes the followings on sync::Cache and sync::SegmentedCache:

  • Remove a crate feature sync from the default features. Now sync caches are disabled by default.
  • Remove the thread pool. The background threads will be no longer spawned.
  • Remove notification::DeliveryMode enum for eviction listener.
    • Now caches work as if DeliveryMode::Immediate is specified.

For more details, see the migration guide.

- Remove `scheduled-thread-pool` crate.
- Remove `thread_pool` and `unsafe_weak_pointers` modules.
- Remove notification `DeliveryMode` as now `sync` caches only support the
  `Immediate` mode (like `future::Cache`).
- Remove `sync::ConcurrentCacheExt`.
- Rename `sync::ConcurrentCacheExt::sync` method to
  `sync::{Cache, SegmentedCache}::run_pending_tasks`.
- Make compilation to fail if none of `sync` and `future` features are enabled.
- Update the migration guide.
- Change the interval of auto running pending tasks from 500 ms to 300 ms.
@tatsuya6502 tatsuya6502 added this to the v0.12.0 milestone Sep 3, 2023
@tatsuya6502 tatsuya6502 added the enhancement New feature or request label Sep 3, 2023
@tatsuya6502 tatsuya6502 self-assigned this Sep 3, 2023
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Merging.

@tatsuya6502 tatsuya6502 added this pull request to the merge queue Sep 3, 2023
Merged via the queue into main with commit a2b916a Sep 3, 2023
36 of 37 checks passed
@tatsuya6502 tatsuya6502 deleted the remove-thread-pool-from-sync-cache branch September 3, 2023 15:15
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