Sui Network has released its first report analyzing the recent network outage. The root cause of the issue was a bug in the upgrade code, which disrupted the network for over two hours. According to the report, the problem was quickly identified and resolved within 2.5 hours.
Outage Halted Transactions for Over Two Hours
The network outage occurred on November 21, 2024, during the early hours (between 1:15 AM and 3:45 AM PT). All transactions were suspended as validators were stuck in a failure loop caused by faulty code.
Sui Network expressed gratitude to its community on X (formerly Twitter):
“Rapid and collaborative response from Sui’s validators is an incredible testament to the strength of the Sui community.”
The official report explained that the issue stemmed from a malfunction in the overload control code. A problem in estimating transaction costs led to validator failures when those costs were incorrectly calculated as zero.
Bug Linked to New Overload Management Upgrade
Sui Network recently introduced a new overload management system designed to provide more accurate estimates of transaction complexity. This system included a new mode, “TotalGasBudgetWithCap,” which contained a coding error. The issue was promptly identified and fixed through pull request PR #20365.
The update was deployed on Mainnet in version 1.37.4 and on Testnet in version 1.38.1. Validators responded swiftly, and the network was fully restored within just 15 minutes of the fix’s release.
Lessons Learned and Future Improvements
The outage briefly impacted the market price of the SUI token, which dropped by 5%. Sui Network has since outlined several measures to prevent similar issues in the future:
Enhanced Testing Systems: Expanding simulations to cover a broader range of transactions.
Faster Debugging and Deployment: Improving build processes to accelerate the release of updates.
SUI Maintains Strong Market Position
Despite the short-term price dip, the SUI token is currently trading at $3.64, reflecting a daily increase of 1.35%. Its market capitalization remains robust at $10.37 billion, with a 24-hour trading volume up 13.89% to $1.85 billion.
This incident highlights the importance of swift responses and collaboration between developers and validators to ensure network stability and maintain community trust.
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