By the way, mapreduce.framework.name can be set yarn or yarn-tez. It will make differences.
2014-09-02 8:24 GMT+08:00 jay vyas <jayunit100.apa...@gmail.com>: > Yes as an example of running a mapreduce job followed by a tez you can see > our last post on this > https://blogs.apache.org/bigtop/entry/testing_apache_tez_with_apache . > You can see in the bigtop/tez testing > blogpost that you can confirm that Tez is being used easily on the web ui. > > From TezClent.java: > > > /** > * TezClient is used to submit Tez DAGs for execution. DAG's are executed > via a > * Tez App Master. TezClient can run the App Master in session or > non-session > * mode. <br> > * In non-session mode, each DAG is executed in a different App Master that > * exits after the DAG execution completes. <br> > * In session mode, the TezClient creates a single instance of the App > Master > * and all DAG's are submitted to the same App Master.<br> > * Session mode may give better performance when a series of DAGs need to > * executed because it enables resource re-use across those DAGs. > Non-session > * mode should be used when the user wants to submit a single DAG or wants > to > * disconnect from the cluster after submitting a set of unrelated DAGs. > <br> > * If API recommendations are followed, then the choice of running in > session or > * non-session mode is transparent to writing the application. By changing > the > * session mode configuration, the same application can be running in > session or > * non-session mode. > */ > > > > On Mon, Sep 1, 2014 at 12:43 PM, Alexander Pivovarov <apivova...@gmail.com > > wrote: > >> e.g. in hive to switch engines >> set hive.execution.engine=mr; >> or >> set hive.execution.engine=tez; >> >> tez is faster especially on complex queries. >> On Aug 31, 2014 10:33 PM, "Adaryl "Bob" Wakefield, MBA" < >> adaryl.wakefi...@hotmail.com> wrote: >> >>> Can Tez and MapReduce live together and get along in the same cluster? >>> B. >>> >> > > > -- > jay vyas >
