Disable chunk producer shard assignment shuffling for mainnet launch #11190
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Area: stateless validation
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May 9, 2024
Per #11190, move the shard-assignment shuffling feature for chunk producers to nightly. Also enable this feature for mocknet together with stateless validation to exercise the state sync code path more often. Note that the guarding for the feature in nightly/prod is different from mocknet, as we use mocknet to exercise (stateless validation) features in between prod and nightly. After this change, shard shuffling will be activated in the following cases: 1) In "nightly", it will be active by default, since we move the feature among the set of nightly features and update the protocol version accordingly (143). 2) In "mocknet", it will be active by default, as we enable it directly when chain id == "mocknet". 3) In all other networks (including "mainnet", "testnet", and "statelessnet"), it will be disabled by default and will only be enabled (later) explicitly by moving the feature from nightly to stable protocol version. Compiling the binary with or without "statelessnet_protocol" will not have any effect on the enablement of the feature (instead need to compile with "nightly").
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Shard-assignment shuffling is now enabled in mocknet by default. Closing this one. |
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See related thread here.
We can keep shard shuffling for testing on forknet, but it is not critical and can be disabled for mainnet launch. It will help with keeping the network needs due to state sync under control as chunk producers will continue to track the same shard through different epochs.
Follow-up work to investigate and re-enable shard shuffling (likely with less frequent shuffling) will be tracked in #11201.
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