ZooKeeper Ramdisk benchmarks

Standard ZooKeeper, standalone mode.

Connecting to localhost:2181
Connected in 114 ms, handle is 0
Testing latencies on server localhost:2181 using syncronous calls
created     100 permanent znodes  in    898 ms (8.983710 ms/op 111.312589/sec)
set         100           znodes  in    883 ms (8.832879 ms/op 113.213369/sec)
get         100           znodes  in     23 ms (0.238380 ms/op 4194.975196/sec)
deleted     100 permanent znodes  in    884 ms (8.844261 ms/op 113.067670/sec)
created     100 ephemeral znodes  in    900 ms (9.000032 ms/op 111.110717/sec)
watched     100           znodes  in     24 ms (0.244322 ms/op 4092.962255/sec)
deleted     100 ephemeral znodes  in    875 ms (8.755250 ms/op 114.217184/sec)
notif       100           watches in      0 ms (included in prior)
Latency test complete

With a RAM disk:

Connecting to localhost:2181
Connected in 3 ms, handle is 0
Testing latencies on server localhost:2181 using syncronous calls
created     100 permanent znodes  in      9 ms (0.094061 ms/op 10631.410321/sec)
set         100           znodes  in      7 ms (0.071249 ms/op 14035.283095/sec)
get         100           znodes  in      6 ms (0.066681 ms/op 14996.796339/sec)
deleted     100 permanent znodes  in      7 ms (0.075529 ms/op 13240.013889/sec)
created     100 ephemeral znodes  in      8 ms (0.084002 ms/op 11904.475917/sec)
watched     100           znodes  in      6 ms (0.066779 ms/op 14974.843800/sec)
deleted     100 ephemeral znodes  in      8 ms (0.088611 ms/op 11285.325297/sec)
notif       100           watches in      0 ms (included in prior)
Latency test complete