Solana, who experienced a 7-hour network outage on April 30, published a report summarizing the steps taken regarding this outage and strengthening the network. According to the published report, the network outage is not caused by an external attack. The Solana network has crashed and outages multiple times so far.
Bots Caused Interruption
Bots programmed by developers to search for new NFTs on the network have created a large number of transactions, making the network difficult. A consensus deadlock occurred when the validators in the network ran out of memory. Many precautions have been taken to avoid such problems in the future.