Metamask Extension P0 Investigate And Cap Multichain Account Creation/Syncing Span Fan-Out
System ArchiveMetamask Extension P0 Investigate And Cap Multichain Account Creation/Syncing Span FanOut Symptom Users are experiencing issues with the Metamask extension, specifically with the creation and syncing of multichain accounts, resulting in a span fanout error. Technical Root Cause The error occurs due to an uncontrolled growth in the number of accounts being created and synced across multiple chains, causing a fanout effect that overwhelms the system. Manual Overrides To mitigate this issue, the following manual overrides can be applied: Limit the number of accounts being created and synced concurrently Implement a rate limiter to control the frequency of account creation and syncing requests Configure the Metamask extension to prioritize account syncing based on user activity json { "accountCreationLimit": 10, "syncRateLimit": 5, "prioritySync": true } Consider utilizing an external console for further debugging and configuration. Prerequisites Metamask extension version 10.2.1 or later Ethereum chain ID configured correctly User account properly set up and connected to the extension
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