Seems a performance issue with nginx serving large file. I configure nginx with the following options and it's much better now. I'll make more test and get back updated. sendfile off; output_buffers 1 1024k; aio on; directio 1024; 2012/8/18 ??? <yongtaofu at gmail.com> > Can somebody provide some insight on this issue? Thank you very much. > > > 2012/8/17 ??? <yongtaofu at gmail.com> > >> Sorry to tell you it is not related to ubuntu, nginx not working on >> glusterfs volume both on redhat and ubuntu. >> >> >> 2012/8/17 ??? <yongtaofu at gmail.com> >> >>> It occurs on redhat 6.3 with kernel 2.6.32-279.el6.x86_64, but nginx >>> works fine on glusterfs volume on ubuntu 12. >>> Any suggestions? >>> >>> >>> 2012/8/17 ??? <yongtaofu at gmail.com> >>> >>>> Dear experts, >>>> >>>> Currently I encountered an issue about nginx using glusterfs volume as >>>> webroot. >>>> It ends up with nginx can't read file concurrently. >>>> >>>> for example if I download an large file from nginx http server from >>>> two clients one of them will block. >>>> >>>> for example >>>> [root at 10.10.135.21]$ curl >>>> 10.10.135.21:45678/mnt/teamshare/software/testfolder/test.10gfile -v >>>> > /dev/null >>>> >>>> [root at 10.10.135.23]$ curl >>>> 10.10.135.21:45678/mnt/teamshare/software/testfolder/test.10gfile -v >>>> > /dev/null >>>> >>>> the second download will block. >>>> >>>> The issue only occur when nginx work with glusterfs volume. Apache with >>>> glusterfs volume is fine. >>>> My glusterfs version is 3.2.5. >>>> >>>> Any one known what's the root cause? >>>> Thank you very much! >>>> >>>> -- >>>> ??? >>>> >>> >>> >>> >>> -- >>> ??? >>> >> >> >> >> -- >> ??? >> > > > > -- > ??? > -- ??? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://gluster.org/pipermail/gluster-users/attachments/20120818/853b25e4/attachment.htm>
