store-gateway: use streaming for skipchunks requests #12818
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This changes store-gateways to use the streaming code path for requests where chunks are not sent. This provides the same results to queriers since they already know how to parse the streaming response and allows us to remove the non-streaming code path in the store-gateway. Notably however, this change does not remove any of the non-streaming code from queriers. This is required to avoid failing requests during a rollout. When queriers make requests without chunks to new store- gateways, the streaming code path will be used and queriers will be able to parse the result. When requests without chunks are made to older store-gateways the non-streaming code path will be used which queriers are still able to parse the result of. Part of #12673 Signed-off-by: Nick Pillitteri <[email protected]>
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What this PR does
This changes store-gateways to use the streaming code path for requests where chunks are not sent. This provides the same results to queriers since they already know how to parse the streaming response and allows us to remove the non-streaming code path in the store-gateway.
Notably however, this change does not remove any of the non-streaming code from queriers. This is required to avoid failing requests during a rollout. When queriers make requests without chunks to new store-gateways, the streaming code path will be used and queriers will be able to parse the result. When requests without chunks are made to older store-gateways the non-streaming code path will be used which queriers are still able to parse the result of.
Which issue(s) this PR fixes or relates to
Part of #12673
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]. If changelog entry is not needed, please add thechangelog-not-neededlabel to the PR.about-versioning.mdupdated with experimental features.