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From Abhishek Girish <agir...@apache.org>
Subject Re: UNORDERED_RECEIVER taking 70% of query time
Date Fri, 02 Jun 2017 05:29:57 GMT
Attachment hasn't come through. Can you upload the query profile to some
cloud storage and share a link to it?

Also, please share details on how large your dataset is, number of
Drillbits, memory and other configurations.


On Thu, Jun 1, 2017 at 10:18 PM, <jasbir.sing@accenture.com> wrote:

> Hi,
>
>
>
> I am running a simple query which performs JOIN operation between two
> parquet files and it takes around 3-4 secs and I noticed that 70% of the
> time is used by UNORDERED_RECEIVER.
>
>
>
> Sample query is –
>
>
>
> select sum(sales),week from dfs.`C:\parquet-location\
> F8894180-AFFB-4803-B8CF-CCF883AA5AAF-Search_Snapshot_Data.parquet` where
> model_component_id in(
>
> select model_component_id from dfs.`C:\parquet-location\poc48k.parquet`)
> group by week
>
>
>
>
>
> Can we somehow reduce unordered receiver time?
>
>
>
> Please find the below screenshot of Visualized plan
>
>
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>
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