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 <timo.nentwig@wooga.net> 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.
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