Re:The Limits of the CAP Theorem
by YZF on Tuesday June 27, 2017 @01:14PM
(#14647247)
If a partitioned node can serve reads and the other nodes can serve writes then you must be reading stale data though.
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Writes also require the lease, so no data can be written until the lease expires.
Writes becoming unavailable during a partition is a reasonable solution for a CP system.
Yeah, that outcome seems pretty straightforward...
It's probably not hard to require that writes (which require a majority) also require the lease-holder to ack the write, which seems like it'd solve this. It's a bit odd that they don't mention anything like this, but it is a fairly short blog post.
A bit of lazy browsing didn't lead me to any more detailed descriptions of how it handles partitions. Anyone else know?