4 ms·
For my curiosity, where is the insert bottleneck now?
by leif 13y ago
For my curiosity, where is the insert bottleneck now?
- coffeemug 13y agoWe have to investigate to know for sure, but if I had to guess it's probably in the storage engine/disk IO.
- leif 13y agoSurely your SSD has more than 800 IOPS though. Have you done any profiling?
- coffeemug 13y agoSorry, I misunderstood your question. In this specific benchmark the bottleneck is in the network and disk latency (since the benchmark sends out a batch of writes, waits for a server acknowledgement, which in hard durability mode means waiting on disk), and then sends out the next batch. When we use a benchmark that doesn't bottleneck on latency (by adding more concurrent clients, or by using noreply) the ops throughput approaches theoretical IOPS throughput of the SSD.