Sorry for intruding...I am not sure how one can compare Impala with Kylin. Though Impala can create Cubes - it does not use that to serve SQL queries - in my understanding. (or) Is there something I am missing?
On Thu, May 28, 2015 at 8:38 AM, [email protected] <[email protected]> wrote: > Hi , Luke > > Thanks for your prompt advice. > > Yeah, the pre-calculation cube is an obvious advantage for OLAP engine. > However, cube build cost > > may need to be leveraged over runtime scan / aggregation. We are expecting > the performance results > > between Kylin and MPP sql engine like Impala, and we are just about to do > that. Would share more > > valuable information AFAIK. > > > > [email protected] > > From: Luke Han > Date: 2015-05-28 10:30 > To: [email protected] > Subject: Re: Apache Kylin versus Cloudera Impala > Hi Sun, > There's no benchmark from our side yet,especially in prod env. I'm also > very curious to know if someone did such comparison. > > The direct advantage for Kylin over Impala (include other MPP > solution): > 1. Non-Invasive Design: you do not need to install any agent, library > or others in your existing Hadoop Cluster (Neither on Namenode or DataNode) > 2. Pre-Calculation result avoid runtime scan/aggregation, that mean you > could get result more faster in seconds latency over billions data. > > > Thanks. > > Luke > > > Best Regards! > --------------------- > > Luke Han > > 2015-05-28 10:20 GMT+08:00 [email protected] <[email protected]>: > > > Hi, team > > > > Really interested in the performance comparison and also the native > design > > advantage over Apache Kylin > > > > and Cloudera Impala. As the official saying, Cloudera Impala is a > > "Lightning-fast, distributed SQL queries > > > > for petabytes of data stored in Apache Hadoop clusters". Kylin can goes > to > > 10-1000x query efficiency over > > > > hive in the usage of MOLAP, while Cloudera Impala can also achieve much > > more performance upgrade over > > > > hive. > > > > Question is : Does Kylin do some benchmark test or performance comparison > > with Cloudera Impala in production > > > > environment? What can be the direct advantage for Apache Kylin over > > Cloudera Impala? > > > > If anyone had deployed and used both products in your usage, please > kindly > > share any available suggestions. > > > > Best regards, > > > > Sun. > > > > > > > > [email protected] > > >
