(1/6) What’s happening on @Solana these days. It’s not an DDoS network attack as many said. The network hasn’t lost consensus/neither halted, just slowed down to 1000 TPS on 4 occasions since Dec 9 (Thursday). 
(2/6) It looks like Raydium bots were trying to pack large TXs into blocks, which consumed at lot of compute power, which is measured in BPF (Berkley Packet Filter) compute unit (Solana doesn’t count that into packing block logic)
(3/6) This caused slow replay on the nodes and then the problem cascaded into the network, resulting in long slot confirmation times and slot leaders were missing their blocks.
(4/6) From AcceleRaytor page it looks like the IDO that took place on Dec 9 and Dec 10 was @RealyOfficial. @RaydiumProtocol – can you confirm?
(5/6) This issue is resolved in unreleased software version 1.9. @aeyakovenko and his team are working to backport this into version 1.8.9 which should tested and approved for mainnet real soon.
(6/6) As I mentioned before – Solana is in Mainnet-beta phase, so the software is still not perfect, but it’s good to see how the team is responding and working hard to upgrade the software. Particularly be aware of Raydium IDOs ;-)
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