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refactor: remove Store type param in Instance #101

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merged 4 commits into from
Jul 18, 2022

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waynexia
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Which issue does this PR close?

Related to #72 and #13

Rationale for this change

We support various ObjectStore implements to be assembled in a recursive way. Like CachedStore -> LocalStore + RemoteStore. The existing type param way that requires fully specifying a type would be hard to implement. For simplicity and feasibility, I change this type param to a trait object. A related discussion can be found at #72.

The CachedStore has been implemented but the corresponding config is not added yet. This PR also provides a way to config a storage cache layer. Example config has been updated to docs/example.toml

What changes are included in this PR?

This PR contains two changes:

  • refactor: remove Store type param in Instance
  • feat: add config for CachedStore

Maybe I need to separate it into two PRs

Are there any user-facing changes?

The config file has changed.

How does this change test

The refactor is tested by the compiler. New config is tested manually.

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
@waynexia waynexia added the feature New feature or request label Jul 17, 2022
@waynexia waynexia added this to the Release v0.2 milestone Jul 17, 2022
@waynexia waynexia requested a review from ShiKaiWi July 17, 2022 08:49
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LGTM

@waynexia waynexia merged commit 1592cd4 into apache:main Jul 18, 2022
@waynexia waynexia deleted the oss-config branch July 18, 2022 03:28
chunshao90 pushed a commit to chunshao90/ceresdb that referenced this pull request May 15, 2023
* remove `Store` param in `Instance`

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* `ObjectStoreRef` type alias

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* `CacheOptions` for cached storage

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* update example storage

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
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2 participants