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https://issues.apache.org/jira/browse/TAJO-1430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated TAJO-1430:
--------------------------------
    Description: 
There are wide tables with many many columns. Moveover, BI tools generate very 
complex queries whose size is several MB. Although Tajo executes those queries 
very fast in a few seconds, the total time of UX is slow.
To become a fastest Hadoop DW, we need this following feature. 
{code:sql}
time tsql -f middle.sql > /dev/null
real    0m19.058s
user    0m2.148s
sys     0m0.268s
time tsql -f ~/tajo/middle.sql > /dev/null 
real    0m18.496s
user    0m2.119s
sys     0m0.240s
$ time ./tsql -f ~/tajo/long.sql > /dev/null 
real    0m36.974s
user    0m2.305s
sys     0m0.272s
$ time ./tsql -f ~/tajo/long.sql > /dev/null 
real    0m4.103s
user    0m2.237s
sys     0m0.249s
{code}

  was:
There are wide tables with many many columns. Moveover, BI tools generate very 
complex queries whose size is several MB. Although Tajo executes those queries 
very fast in a few seconds, the total time of UX is slow.
To become a fastest Hadoop DW, we need this following feature. 
{code:sql}
tsql -c "create table t3(a int)"
OK
tsql -c "insert overwrite into t select 1"
(1 rows, 0.14 sec, 2 B inserted)
time tsql -f middle.sql > /dev/null
real    0m19.058s
user    0m2.148s
sys     0m0.268s
time tsql -f ~/tajo/middle.sql > /dev/null 
real    0m18.496s
user    0m2.119s
sys     0m0.240s
$ time ./tsql -f ~/tajo/long.sql > /dev/null 
real    0m36.974s
user    0m2.305s
sys     0m0.272s
$ time ./tsql -f ~/tajo/long.sql > /dev/null 
real    0m4.103s
user    0m2.237s
sys     0m0.249s
{code}


> Implement Query Parsing Result Caching
> --------------------------------------
>
>                 Key: TAJO-1430
>                 URL: https://issues.apache.org/jira/browse/TAJO-1430
>             Project: Tajo
>          Issue Type: New Feature
>          Components: parser
>    Affects Versions: 0.10.0
>            Reporter: Dongjoon Hyun
>            Assignee: Dongjoon Hyun
>             Fix For: 0.10.1
>
>
> There are wide tables with many many columns. Moveover, BI tools generate 
> very complex queries whose size is several MB. Although Tajo executes those 
> queries very fast in a few seconds, the total time of UX is slow.
> To become a fastest Hadoop DW, we need this following feature. 
> {code:sql}
> time tsql -f middle.sql > /dev/null
> real  0m19.058s
> user  0m2.148s
> sys   0m0.268s
> time tsql -f ~/tajo/middle.sql > /dev/null 
> real  0m18.496s
> user  0m2.119s
> sys   0m0.240s
> $ time ./tsql -f ~/tajo/long.sql > /dev/null 
> real  0m36.974s
> user  0m2.305s
> sys   0m0.272s
> $ time ./tsql -f ~/tajo/long.sql > /dev/null 
> real  0m4.103s
> user  0m2.237s
> sys   0m0.249s
> {code}



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