In 2022, the blockchain suffered from ten partial or full outages along with slow block times. Solana’s co-founder said it’s “not the experience that we want to deliver.” 

Solana co-founder Anatoly Yakovenko says the past year has been mired by the network’s reliability issues and outages, but recent updates will help the blockchain resolve its reliability issues. 

During the Breakpoint 2022 annual conference in Lisbon, Portugal on Nov. 5,  Yakovenko discussed the past and future of the blockchain, noting the network has faced difficulties over the past year:

“We've had a lot of challenges over the last year, I would say this whole last year has been all about reliability.”

Solana has suffered ten partial or full outages, according to its own status reporting, the most notable of which occurred between Jan. 6-12, 2022, with the network plagued with issues causing partial outages and degraded performance for between 8 and 18 hours. The most recent was what it called a “major outage,” lasting nearly six and a half hours on Oct. 1.

Between late May and early June, Solana suffered from a clock drift, where the blockchain’s time was different from real-world time due to longer than average slot times (also referred to as block times), the time interval during which a validator can send a block to Solana.

Typically, Solana’s ideal slot time is 400 milliseconds, but Yakovenko said that “things got really really bad in June, block times went up to over a second, which is really slow for Solana,” adding in some cases “confirmation times so we're taking 15 to 20 seconds:”

Source : cointelegraph.com/news/solana-s-co-founder-addresses-the-blockchain-s-reliability-at-breakpoint by Cointelegraph By Jesse Coghlan - November 07, 2022