In scale , i mean Performance Scaling not size. sorry if i confuse you guys.



On Thu, Jun 19, 2014 at 8:38 PM, Phyo Arkar <[email protected]>
wrote:

> To make it short.
>
> I want to make a qooxdoo list that works like remote table : which fetch
> new data as required on scroll and removing them to keep it smooth.
>
>
> On Thu, Jun 19, 2014 at 2:54 AM, Phyo Arkar <[email protected]>
> wrote:
>
>>
>> http://stackoverflow.com/questions/24294316/how-can-i-make-qooxdoo-virtual-list-scalable
>>
>> I need to show list of data , at least 1 million rows (Big data , machine
>> learning). I do not need to show at once , remotetablemodel of qooxdoo
>> table works fine but instead of table i choose list as design choice.
>>
>> Below is a test i've made.
>>
>> //create the model data, 1mil itemsvar rawData = [];for (var i = 0; i < 
>> 1000000; i++) {
>>  rawData[i] = "Item No " + i;}var model = new qx.data.Array(rawData);
>> //create the listvar list = new 
>> qx.ui.list.List(model);this.getRoot().add(list);
>>
>>  I understand the point that it will take long to generate rawdata and
>> assign it to list. But the problem is after assigning the list , the
>> virtual list itself is almost non-responsive.
>>
>> Scrolling is very slow , navigating by down arrow freezes a few secs too.
>> Qooxdoo virtual infrastructure is suppose to render only visible items if i
>> understand correctly? But in above test case it is so slow. I expect to
>> work like remote table model .
>>
>> Tested with qooxdoo latest 4.0.0 and 3.5.1 , on Chrome 35 stable.
>>
>
>
------------------------------------------------------------------------------
HPCC Systems Open Source Big Data Platform from LexisNexis Risk Solutions
Find What Matters Most in Your Big Data with HPCC Systems
Open Source. Fast. Scalable. Simple. Ideal for Dirty Data.
Leverages Graph Analysis for Fast Processing & Easy Data Exploration
http://p.sf.net/sfu/hpccsystems
_______________________________________________
qooxdoo-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel

Reply via email to