Is PCIe SSD a requirement when using a transaction log?

When using AMPS with a transaction log, it is recommended but not required that the journal file persistence is on the fastest storage device available. AMPS can sustain well over 800,000 1KB messages per second when written to a transaction log residing on a modern FusionIO PCIe device. If transaction log performance requirements exceed a few thousand messages per second then a fast storage device is highly recommended.

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