Sui network witnessed its first-ever disruption on 21 November 2024 even as Sui crypto price showed signs of stability. This unexpected outage, which lasted approximately two and a half hours, halted all Sui Mainnet activities at the time.
Both validators, the important nodes that are ensuring the work of the network at the moment, got stuck in the crash loop. Moreover, the system could not process any transactions at all.
Source: X
The Root Cause: A Congestion Control Bug
The root cause of the situation was a congestion control system bug in Sui, built in recent updates in the TotalGasBudgetWithCap mode.
The congestion control mechanism is one of the fundamental aspects of Sui’s architecture. It allows the system to properly distribute the transaction load and control it by preventing a large number of transactions per second from writing to a single object.
It helps to keep the network maintained and functional, especially during high traffic within the network tran
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