[Eikon]

ZeroFS author here.

LSMs are “for small burst workloads kept in memory”? That’s just incorrect. “Once compaction hits all bets are off” suggests a misunderstanding of what compaction is for.

“Playing with fire,” “not sure about crash consistency,” “all bets are off”

Based on what exactly? ZeroFS has well defined durability semantics, guarantees which are much stronger than local block devices. If there’s a specific correctness issue, name it.

“ZFS special vdev + ZIL is much safer”

Safer how?