https://community.qlik.com/t5/QlikView/Multiple-users-Dynamic-updates-and-exports/m-p/1602459#M444438 <P>Thnx a lot man! great stuf <span class="lia-unicode-emoji" title=":grinning_face_with_smiling_eyes:">😄</span></P> Mon, 15 Jul 2019 19:20:18 GMT Jelle 2019-07-15T19:20:18Z https://community.qlik.com/t5/QlikView/Multiple-users-Dynamic-updates-and-exports/m-p/1602391#M444429 <P>Hello everyone,&nbsp;</P><P>&nbsp;I have been having some fun with Dynamic updates on AJAX and on QVP alike, I have come to some interesting findings and wanted to know if any of you have had the same problems and have found some solutions for it.<BR /><BR />using a test server with the following specs:&nbsp;</P><TABLE><TBODY><TR><TD>Windows version</TD><TD># CPUs</TD><TD>Type CPUs</TD><TD>GHz CPU</TD><TD># RAM</TD><TD>Working set</TD><TD>Qlikview version</TD></TR><TR><TD>Win 2012</TD><TD>16</TD><TD>Intel® Xeon® CPU E5-2686 v4</TD><TD>2.3GHz</TD><TD>122GB</TD><TD>60%-70%</TD><TD>11.20.13206 SR13</TD></TR></TBODY></TABLE><P>&nbsp;</P><P>We have done the tests below and obtained worrying results:&nbsp;</P><TABLE border="1"><TBODY><TR><TD>Actions</TD><TD>Fail reason</TD></TR><TR><TD>Multiple users execute an Update dynamic update at the same time</TD><TD><P>&nbsp;The application freezes for both users and no other users can provide Dynamic updates. To resolve this we have to restart the services</P></TD></TR><TR><TD>When someone logs in and a server side exports precedes it by a few seconds&nbsp;</TD><TD><P>The export is successful but the user is unable to log in and a next dynamic update is unable to fire of.</P></TD></TR><TR><TD>When someone logs in and at the same time someone executes an update dynamic update</TD><TD><P>the dynamic update fails and the user is unable to log in, no other user is able to use dynamic updates after this point.</P></TD></TR></TBODY></TABLE><P>&nbsp;</P><P>We have been searching quite a lot to find the root cause of it but we think it is in the lines of the ram model freezing.&nbsp;<BR />It seems Com objects and CPU power also has some influence into this.<BR /><BR /><BR />Thank you very much for your help <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span><BR /><BR /><BR /></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Sat, 16 Nov 2024 20:26:59 GMT https://community.qlik.com/t5/QlikView/Multiple-users-Dynamic-updates-and-exports/m-p/1602391#M444429 Jelle 2024-11-16T20:26:59Z https://community.qlik.com/t5/QlikView/Multiple-users-Dynamic-updates-and-exports/m-p/1602454#M444436 <P>Dynamic Update is an old feature that Qlik never got to work very well. It is buggy and poorly documented. It is not meant as a multi-user feature at all - in the documentation it is clearly stated that it should only be used by administrators and as a single user.&nbsp;</P> Mon, 15 Jul 2019 19:03:41 GMT https://community.qlik.com/t5/QlikView/Multiple-users-Dynamic-updates-and-exports/m-p/1602454#M444436 petter 2019-07-15T19:03:41Z https://community.qlik.com/t5/QlikView/Multiple-users-Dynamic-updates-and-exports/m-p/1602456#M444437 <P>Here is a nine year old technical paper that QlikTech made about Dynamic Update.</P> Mon, 15 Jul 2019 19:12:23 GMT https://community.qlik.com/t5/QlikView/Multiple-users-Dynamic-updates-and-exports/m-p/1602456#M444437 petter 2019-07-15T19:12:23Z https://community.qlik.com/t5/QlikView/Multiple-users-Dynamic-updates-and-exports/m-p/1602459#M444438 <P>Thnx a lot man! great stuf <span class="lia-unicode-emoji" title=":grinning_face_with_smiling_eyes:">😄</span></P> Mon, 15 Jul 2019 19:20:18 GMT https://community.qlik.com/t5/QlikView/Multiple-users-Dynamic-updates-and-exports/m-p/1602459#M444438 Jelle 2019-07-15T19:20:18Z