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[ADDED] ListKeys method for listing kv keys #1490

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merged 1 commit into from Dec 13, 2023
Merged

[ADDED] ListKeys method for listing kv keys #1490

merged 1 commit into from Dec 13, 2023

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piotrpio
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Signed-off-by: Piotr Piotrowski piotr@synadia.com

Signed-off-by: Piotr Piotrowski <piotr@synadia.com>
@piotrpio piotrpio requested a review from Jarema December 12, 2023 14:20
@@ -67,7 +67,10 @@ type (
// WatchAll will invoke the callback for all updates.
WatchAll(ctx context.Context, opts ...WatchOpt) (KeyWatcher, error)
// Keys will return all keys.
// DEPRECATED: Use ListKeys instead to avoid memory issues.
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which was the memory issue?

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Keys() could be used to fetch millions of keys all stored in a slice before returning. There should be a way of either paging or iterating over the result (which the new method provides). I could add some details to this comment.

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Have a use case now with > 600k keys.

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ah I see, makes sense to switch to use channels instead

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@wallyqs wallyqs left a comment

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LGTM

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@Jarema Jarema left a comment

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LGTM.
Will add note to ADR that such scalable method should be available in all clients, if any without iterators had similar approach.

@piotrpio piotrpio merged commit b95565d into main Dec 13, 2023
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@piotrpio piotrpio deleted the kv-keys-lister branch December 13, 2023 16:03
@piotrpio piotrpio mentioned this pull request Jan 12, 2024
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4 participants