[infinispan-dev] CD datastore inserts slow

[Sanne Grinovero]

Hi Ales,
I don't have CD installed anymore but will try it out. Do you have
some pointers to set up and run this benchmark?

Sanne

On 3 June 2014 13:58, Ales Justin <ales.justin at gmail.com> wrote:
> So, storing some thousand entities in a single transaction takes a
> little more than 1 second, while running each put operation in a
> single transaction takes ~50 seconds.
>
> For the record, I'm more concerned that storing "a few thousand"
> entities in a single TX takes  a full second: that's not expected, but
> my guess is that in this specific case you're not warming up the JVM
> nor repeating the test. Having batching enabled, I'd expect this to be
> in the order of millions / second.
>
>
> Uh, this was actually my bad -- with single Tx it also takes long time ...
> (@Sanne -- be concerned, be very concerned ... ;-)
>
> 14:46:14,669 INFO
> [com.google.appengine.tck.benchmark.ObjectifyBenchmarkTest] (default task-1)
>>>>> N = 6000
> 14:46:17,418 INFO
> [com.google.appengine.tck.benchmark.ObjectifyBenchmarkTest] (default task-1)
>>>>> Save [6000] time: 2461ms
> 14:47:53,450 INFO
> [com.google.appengine.tck.benchmark.ObjectifyBenchmarkTest] (default task-1)
>>>>> Full Tx  time: 98576ms
> 14:50:19,721 INFO
> [com.google.appengine.tck.benchmark.ObjectifyBenchmarkTest] (default task-1)
>>>>> Save [6000] time: 146246ms
>
> The 1st "Save" is fast, as this is just pilling-up the entities within same
> Tx.
> It's the "Full Tx" that is relevant here -- which is ~100sec :-(.
>
> The 2nd "Save" is w/o Tx.
>
> -Ales
>
>
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