Support buffer providing for payloadSizeLimiter #155

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opened 2023-09-01 06:39:23 +00:00 by dkirillov · 0 comments

dkirillov commented

2023-09-01 06:39:23 +00:00

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When we use client cut for streaming objects whose size is greater than MaxObjectSize in network the runtime.GrowSlice for this starts consuming a lot of resources. It would be nice to have some kind of reusing this buffer.

Describe the solution you'd like

Since we cannot just reuse this buffer inside of payloadSizeLimiter (when object is formed client code can do anything with it and we have no guarantee that this payload won't be changed), we can provide to it some function/struct/interface that will be invoked to get new buffer. This way client code be able to reuse such buffer if it's sure that it's safe.

## Is your feature request related to a problem? Please describe. When we use client cut for streaming objects whose size is greater than MaxObjectSize in network the `runtime.GrowSlice` [for](https://git.frostfs.info/TrueCloudLab/frostfs-sdk-go/src/commit/84e7e69f98ac8c0d6ef09fb90bb60ba035aade17/object/transformer/transformer.go#L124) [this](https://git.frostfs.info/TrueCloudLab/frostfs-sdk-go/src/commit/84e7e69f98ac8c0d6ef09fb90bb60ba035aade17/object/transformer/transformer.go#L281) starts consuming a lot of resources. It would be nice to have some kind of reusing this buffer. ## Describe the solution you'd like Since we cannot just reuse this buffer inside of `payloadSizeLimiter` (when object is formed client code can do anything with it and we have no guarantee that this payload won't be changed), we can provide to it some function/struct/interface that will be invoked to get new buffer. This way client code be able to reuse such buffer if it's sure that it's safe.