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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2014/07/24 16:24:39 UTC
[jira] [Updated] (CASSANDRA-7609) CSV import is taking huge time in
CQL
[ https://issues.apache.org/jira/browse/CASSANDRA-7609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-7609:
--------------------------------------
Priority: Minor (was: Critical)
> CSV import is taking huge time in CQL
> -------------------------------------
>
> Key: CASSANDRA-7609
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7609
> Project: Cassandra
> Issue Type: Bug
> Components: Tools
> Environment: Ubuntu OS
> Reporter: akshay
> Priority: Minor
> Fix For: 2.0.9
>
>
> Hello,
> I am trying copy command in Cassandra to import CSV file in to DB, Import is taking huge time, any suggestion to improve it?
> id,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z
> 100,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26
> 101,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26
> ----
> --
> --
> there are ~ 50 K lines in this file , size is ~ 5 MB.
>
> I have created table as per below:
> create table csldata4 ( id int PRIMARY KEY,a int , b int, c int, d int, e int, f int,
> g int, h int,i int, j int, k int, l int,m int, n int, o int, p int, q int, r int, s int, t int, u int, v int, w int, x int, y int , z int);
> Copy Command:
> COPY csldata4 (id , a , b , c , d , e , f , g , h , i , j , k , l , m , n , o , p , q , r , s , t , u , v , w , x , y , z ) FROM 'csldata1.csv' WITH HEADER=TRUE;
>
> Issue here is it's taking huge time to import
> cqlsh:mykeyspace> COPY csldata (id , a , b , c , d , e , f , g , h , i , j , k , l , m , n , o , p , q , r , s , t , u , v , w , x , y , z ) FROM 'csldata1.csv' WITH HEADER=TRUE;
> 66215 rows imported in 1 minute and 31.044 seconds.
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