Hi,
    There are 86486 records.
  Time taken for select count(*) from A => 35 ms Time taken for select mainId, 
count(*) from A group by mainId => 70 ms
Time taken for select * from A => 0 ms
 I am doing a POC with apache ignite and I am very keen to use it in production 
for live streaming and real time in memory fast query.Group by, top 100 are the 
2 preferred queries.
I need to get the figures great to put up a case, hence any help will be 
appreciated.
Thanks and regards,

-- Indranil Basu
 

    On Wednesday 20 December 2017, 11:14:33 PM GMT+11, dkarachentsev 
<dkarachent...@gridgain.com> wrote:  
 
 Hi,

How many records your query returns without LIMIT? How long does it take to
select all records without grouping?

Thanks!
-Dmitry



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