topic Re: Performance issue - Tech question in Management & Governance https://community.qlik.com/t5/Management-Governance/Performance-issue-Tech-question/m-p/1125627#M6407 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I just can give you my personal observations:</P><P>big files, like qvw or qvd are written in big blocks, small files, like configs,logs , meta/shared files, are written in small blocks.</P><P>So we configured the storage with logs and configs apart of "main" storage for the data (qvw/qvd). Also we've configured bigger block size on the "data" storage.</P><P></P><P>Regards,</P><P>Gregor</P></BODY></HTML> Mon, 11 Jul 2016 09:37:32 GMT gregortvw 2016-07-11T09:37:32Z Performance issue - Tech question https://community.qlik.com/t5/Management-Governance/Performance-issue-Tech-question/m-p/1125626#M6406 <HTML><HEAD></HEAD><BODY><P>Hi</P><P>We are having some performance issues on the QV server.</P><P>Our IT monitored the server (virtual) and noticed <SPAN style="color: #1f497d; font-family: 'Calibri',sans-serif; font-size: 11pt; mso-fareast-font-family: 'Malgun Gothic'; mso-fareast-theme-font: minor-fareast; mso-ansi-language: EN-US; mso-fareast-language: KO; mso-bidi-language: HE;">disk subsystem latency.</SPAN></P><P><SPAN style="color: #1f497d; font-family: 'Calibri',sans-serif; font-size: 11pt; mso-fareast-font-family: 'Malgun Gothic'; mso-fareast-theme-font: minor-fareast; mso-ansi-language: EN-US; mso-fareast-language: KO; mso-bidi-language: HE;">They are asking me the following question:</SPAN></P><P></P><P></P><P>From our monitoring tools we observe that QlickView writes the data in the big blocks (256k). In order to configure virtual flash we have to be sure about it.</P><P>Can you approve?</P><P></P><P> <IMG alt="Performance issue - IO Frequency.png" class="jive-image image-1" src="/legacyfs/online/130781_Performance issue - IO Frequency.png" style="width: 620px; height: 195px;" /></P><P>Does anyone knows the answer?</P><P></P><P>Thanks!</P><P></P><P></P></BODY></HTML> Sun, 10 Jul 2016 14:31:47 GMT https://community.qlik.com/t5/Management-Governance/Performance-issue-Tech-question/m-p/1125626#M6406 anatezra 2016-07-10T14:31:47Z Re: Performance issue - Tech question https://community.qlik.com/t5/Management-Governance/Performance-issue-Tech-question/m-p/1125627#M6407 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I just can give you my personal observations:</P><P>big files, like qvw or qvd are written in big blocks, small files, like configs,logs , meta/shared files, are written in small blocks.</P><P>So we configured the storage with logs and configs apart of "main" storage for the data (qvw/qvd). Also we've configured bigger block size on the "data" storage.</P><P></P><P>Regards,</P><P>Gregor</P></BODY></HTML> Mon, 11 Jul 2016 09:37:32 GMT https://community.qlik.com/t5/Management-Governance/Performance-issue-Tech-question/m-p/1125627#M6407 gregortvw 2016-07-11T09:37:32Z