12 ms·
Absolutely. In-core on a neighboring machine can be accessed in less than 1ms. On-disk on the local machine (or any machine) can take tens of seconds.
by thrownaway2424 12y ago
Absolutely. In-core on a neighboring machine can be accessed in less than 1ms. On-disk on the local machine (or any machine) can take tens of seconds.
- chetanahuja 12y ago"On-disk on the local machine (or any machine) can take tens of seconds" Surely you meant 10's of milliseconds. But even so, fastest SSD random access latencies are in sub-millisecond ranges.
- thrownaway2424 12y agoNo I did not mean that. Contended local disk access under heavy random read/write workloads takes essentially forever.