cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Tzach Livyatan <tz...@cloudius-systems.com>
Subject Re: ScyllaDB, a new open source, Cassandra-compatible NoSQL
Date Tue, 22 Sep 2015 21:46:30 GMT
On Wed, Sep 23, 2015 at 12:20 AM, Minh Do <mdo@netflix.com> wrote:

> First glance at their github, it looks like they re-implemented Cassandra
> in C++.  90% components in Cassandra are
> in scylladb, i.e. compaction, repair, CQL, gossip, SStable.
>

True

>
>
> With C++, I believe this helps performance to some extent up to a point
> when compaction has not run yet.
> Then, it will be disk IO to be the dominant factor in the performance
> measurement as the more traffics to a node the more degrading
> the performance is across the cluster.
>
Also, they only support Thrift protocol so it won't work with Java Driver
> with the new asynchronous protocol.  I doubt their tests
> are truly a fair one.
>

Scylla currently only support CQL
For more info, I suggest to continue the discussion at the new Scylla list
https://groups.google.com/forum/#!forum/scylladb-users



>
> On Tue, Sep 22, 2015 at 2:13 PM, Venkatesh Arivazhagan <
> venkey.ariv@gmail.com> wrote:
>
>> I came across this article:
>> zdnet.com/article/kvm-creators-open-source-fast-cassandra-drop-in-replacement-scylla/
>>
>> Tzach, I would love to know/understand moree about ScyllaDB too. Also the
>> benchmark seems to have only 1 DB Server. Do you have benchmark numbers
>> where more than 1 DB servers were involved? :)
>>
>>
>> On Tue, Sep 22, 2015 at 1:40 PM, Sachin Nikam <sknikam@gmail.com> wrote:
>>
>>> Tzach,
>>> Can you point to any documentation on scylladb site which talks about
>>> how/why scylla db performs better than Cassandra while using the same
>>> architecture?
>>> Regards
>>> Sachin
>>>
>>> On Tue, Sep 22, 2015 at 9:18 AM, Tzach Livyatan <
>>> tzach@cloudius-systems.com> wrote:
>>>
>>>> Hello Cassandra users,
>>>>
>>>> We are pleased to announce a new member of the Cassandra Ecosystem -
>>>> ScyllaDB
>>>> ScyllaDB is a new, open source, Cassandra-compatible NoSQL data store,
>>>> written with the goal of delivering superior performance and consistent low
>>>> latency.  Today, ScyllaDB runs 1M tps per server with sub 1ms latency.
>>>>
>>>> ScyllaDB  supports CQL, is compatible with Cassandra drivers, and works
>>>> out of the box with Cassandra tools like cqlsh, Spark connector, nodetool
>>>> and cassandra-stress. ScyllaDB is a drop-in replacement solution for the
>>>> Cassandra server side packages.
>>>>
>>>> Scylla is implemented using the new shared-nothing Seastar
>>>> <http://www.seastar-project.org/> framework for extreme performance
on
>>>> modern multicore hardware, and the Data Plane Development Kit (DPDK) for
>>>> high-speed low-latency networking.
>>>>
>>>> Try Scylla Now - http://www.scylladb.com
>>>>
>>>> We will be at Cassandra summit 2015, you are welcome to visit our booth
>>>> to hear more and see a demo.
>>>> Avi Kivity, our CTO, will host a session on Scylla on Thursday, 1:50 PM
>>>> - 2:30 PM in rooms M1 - M3.
>>>>
>>>> Regards
>>>> Tzach
>>>> scylladb
>>>>
>>>>
>>>
>>
>

Mime
View raw message