THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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The diagram below shows an example execution with LLAP. Tez AM orchestrates overall execution. The initial stage of the query is pushed into LLAP, large shuffle is performed in their own containers. Multiple queries and applications can access LLAP concurrently.
Persistent
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Daemon
To facilitate caching and JIT optimization, and to eliminate most of the startup costs, a daemon runs on the worker nodes on the cluster. The daemon handles I/O, caching, and query fragment execution.
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