[jira] [Commented] (DRILL-5739) Query reads all files after issuing REFRESH TABLE METADATA command

["Khurram Faraaz (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-5739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16140172#comment-16140172 ] 

Khurram Faraaz commented on DRILL-5739:
---------------------------------------

Can you please share the SQL query here ?

> Query reads all files after issuing REFRESH TABLE METADATA command 
> -------------------------------------------------------------------
>
>                 Key: DRILL-5739
>                 URL: https://issues.apache.org/jira/browse/DRILL-5739
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.10.0
>            Reporter: Divya
>
> Hi,
> Query takes lot of time after issuing refresh metadata command as it is reading all the files .
> ||Value||Before Refresh Metadata||After Refresh Metadata||
> |Fragments|1|13|
> |DURATION|01 min 0.233 sec|18 min 0.744 sec|
> |PLANNING|59.818 sec|33.087 sec|
> |QUEUED|Not Available|Not Available|
> |EXECUTION|0.415 sec|17 min 27.657 sec|
> I cant paste the whole physical plan for the query 
> Pasting the relevant one :
> *Physical Plan Before  Refresh Meta *
> numFiles=4, usedMetadataFile=false, columns=
> rowcount = 12.0, cumulative cost = {12.0 rows, 780.0 cpu, 0.0 io, 0.0 network, 0.0 memory}, id = 9395
> *Physical Plan After Refresh Meta *
> numFiles=102290, usedMetadataFile=true, cacheFileRoot=<Path to file >
> rowcount = 1182008.0, cumulative cost = {1182008.0 rows, 7.683052E7 cpu, 0.0 io, 0.0 network, 0.0 memory}, id = 9685
> *Additional Info :*
> file format - Parquet
> table - partitioned by year,month,day,hour 
> query format - selecting all the columns with by using partition column in where conditions  



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