Discussion Board for collaboration related to QlikView App Development.
I have an incremental qvd file and weights like 2gb, but when I call certain data from 2 past weeks, doesn't work normally.
Please Can you explain issue in more detail.
The size ? I don't believe we have limits on size (except disk space).
When you are dealing with large QVDs you can instead and should consider loading and storing them in segments.
So if you pull 3 years of data into one QVD like this
store .... Table.QVD
Then consider using 3 different load statements to store 3 different QVDs.
A really great benefit to this is that you can execute the three loads and stores in DIFFERENT QVWs to accomplish a parallel load to support a tighter schedule.
Your final app will of course re-concatenate the 3 QVDs back into one table, but that action is very fast with qlikview.
where year =2014;
store .... Table1.QVD
where year =2013;
store .... Table2.QVD
where year =2012;
store .... Table3.QVD
Bigger QVD´s can lead to serious problem of I/O creating some bottlenecks.
Suppose you have an incremental load that read 2Gb, concatenate more 2Mb and stores again 2Gb.
4Gb are pushed into I/O controler and disks (or network)
As a "rule" I try to not have more 100Mb each QVD.
hiiii.... can you please send me sample project of qlik?
not in giga bytes... its in MB's