https://community.qlik.com/t5/Talend-Studio/tMatchGroup-component-Advanced-setting-configuarations/m-p/2370007#M133100 <P>Hi Everyone,<BR /><BR />300k data process&nbsp; for duplication using tMatchgroup component . i am checking store on disk option to improve the performance ,but i am not seeing any improvement and i have a doubt about&nbsp; max buffer size&nbsp; value is there any limit for that and how it&nbsp; stores in store on disc by column wise or row wise .please give some suggestion to improve performance for job.<BR /><BR />Thanks in Advance.<BR /><BR />-Krishna<BR /><BR /><BR /><BR /><BR />[img=288x113]<A href="https://www.talendforge.org/forum/img/members/133447/mini_blob_20150722-1724.png[/img" target="_blank" rel="nofollow noopener noreferrer">https://www.talendforge.org/forum/img/members/133447/mini_blob_20150722-1724.png[/img</A>]</P> Wed, 22 Jul 2015 16:26:09 GMT krishna_g 2015-07-22T16:26:09Z https://community.qlik.com/t5/Talend-Studio/tMatchGroup-component-Advanced-setting-configuarations/m-p/2370007#M133100 <P>Hi Everyone,<BR /><BR />300k data process&nbsp; for duplication using tMatchgroup component . i am checking store on disk option to improve the performance ,but i am not seeing any improvement and i have a doubt about&nbsp; max buffer size&nbsp; value is there any limit for that and how it&nbsp; stores in store on disc by column wise or row wise .please give some suggestion to improve performance for job.<BR /><BR />Thanks in Advance.<BR /><BR />-Krishna<BR /><BR /><BR /><BR /><BR />[img=288x113]<A href="https://www.talendforge.org/forum/img/members/133447/mini_blob_20150722-1724.png[/img" target="_blank" rel="nofollow noopener noreferrer">https://www.talendforge.org/forum/img/members/133447/mini_blob_20150722-1724.png[/img</A>]</P> Wed, 22 Jul 2015 16:26:09 GMT https://community.qlik.com/t5/Talend-Studio/tMatchGroup-component-Advanced-setting-configuarations/m-p/2370007#M133100 krishna_g 2015-07-22T16:26:09Z https://community.qlik.com/t5/Talend-Studio/tMatchGroup-component-Advanced-setting-configuarations/m-p/2370008#M133101 The buffer size will grow as big as your system can support it. &nbsp;(i.e. ram available). &nbsp;However, it might be best for large dataset, to store them on file system and then read them as needed. &nbsp;you'll have to experiment to find the perfect mix.&nbsp; Wed, 22 Jul 2015 18:15:12 GMT https://community.qlik.com/t5/Talend-Studio/tMatchGroup-component-Advanced-setting-configuarations/m-p/2370008#M133101 Anonymous 2015-07-22T18:15:12Z