Metamask Extension P0 Investigate And Cap Multichain Account Creation/Syncing Span Fan-Out

Metamask Extension P0 Investigate And Cap Multichain Account Creation/Syncing Span FanOut Symptom Users experience a significant delay or failure in syncing their multichain accounts within the Metamask extension, resulting in a poor user experience and potential loss of access to their digital assets. Technical Root Cause The error occurs due to an uncontrolled span fanout during the account creation and syncing process, overwhelming the system with an excessive number of requests and causing timeouts or crashes. Manual Overrides To mitigate this issue, try the following manual overrides: Reduce the number of accounts being synced concurrently to prevent overloading the system. Implement a rate limiter to control the frequency of requests and prevent span fanout. Use a custom configuration to cap the number of accounts that can be created or synced within a specified time frame, as shown in the example below: json { "accountSyncLimit": 5, "syncInterval": 30000, "maxConcurrentRequests": 3 } Consider utilizing an external console for more advanced troubleshooting and configuration adjustments. Prerequisites Metamask extension installed and configured Basic understanding of Ethereum and multichain account management Familiarity with JSON configuration files and rate limiting principles

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