On Dec 7, 2009, at 5:59 PM, Jonathan Ellis wrote: > yes and no -- that's about 4200/s, which is typical for only a single
When writing, yes. But I would expect reading to be much faster (?). Re-executing the read test doesn't speed up things either (I/O caches). > thread but 1/3 to 1/5 of what you'd expect it to max out (on our > quad-core test boxes) when you add client threads > > On Mon, Dec 7, 2009 at 10:38 AM, Timo Nentwig <[email protected]> wrote: >> Hi! >> >> I just downloaded, installed, start cassandra and ran very simple >> "benchmark": write n times something with >> key==value==testInsertAndGetAndRemove_n (one thread). >> >> For n==10 million on a 7200rpm HDD (4G RAM - there should have be >> "reasonably" free mem however I didn't check) this took 40min (insert()ing >> one after another). Reading them one by one in sequence delivers about >> 100/s, reading in 1.000er batches (i.e. multigetColumn()) takes 5-10s >> (depending on n, the higher the slower). >> >> Are this typical numbers for cassandra (0.5)? I actually took the >> configuration as it was.
