YCSB benchmarking thrift api

[Jack]

Hi,

I was trying to use ycsb benchmark tools over thrift api. I use ycsb-0.10.0, and scylla-2.1.rc3. 

It looks fine when I use cql interface.

But, if I use thrift, e.g., ycsb's cassandra10 binding, then no operations can be done but there were no errors shown in the output.

ycsb outputs like:

2018-02-25 17:27:13:498 10 sec: 0 operations; est completion in 106751991167300 days 15 hours 

2018-02-25 17:27:23:498 20 sec: 0 operations; est completion in 106751991167300 days 15 hours 

Anyone has some experience on this? Thanks.

[Dor Laor]

We usually test CQL and prepared statements with YCSB, there is no reason it shouldn't work,

but not much millage with Thrift/YCSB. Can you use instead cassandra-stress?

Is there a special reason to test Thrift w/ YCSB? 

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[Jack]

Yes, CQL/YCSB works fine. Just thrift/ycsb does not.

ycsb is the top option for me because of its built-in workloads and also it has the options to control skewness.

On Sunday, February 25, 2018 at 9:04:12 PM UTC-5, Dor Laor wrote:

We usually test CQL and prepared statements with YCSB, there is no reason it shouldn't work,

but not much millage with Thrift/YCSB. Can you use instead cassandra-stress?

Is there a special reason to test Thrift w/ YCSB? 

On Sun, Feb 25, 2018 at 5:06 PM, Jack <haon...@gmail.com> wrote:

Hi,

I was trying to use ycsb benchmark tools over thrift api. I use ycsb-0.10.0, and scylla-2.1.rc3. 

It looks fine when I use cql interface.

But, if I use thrift, e.g., ycsb's cassandra10 binding, then no operations can be done but there were no errors shown in the output.

ycsb outputs like:

2018-02-25 17:27:13:498 10 sec: 0 operations; est completion in 106751991167300 days 15 hours 

2018-02-25 17:27:23:498 20 sec: 0 operations; est completion in 106751991167300 days 15 hours 

Anyone has some experience on this? Thanks.

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[Duarte Nunes]

What about errors in the Scylla logs?

Do you know what thrift verbs it uses?

[Jack]

It uses batch_mutate for insertion and get_slice for reads. 

It now works with thrift binding.