Am Dienstag, 13. September 2011, 15:48:17 schrieb Jeff_Glanz@Dell.com:
> We root caused this: A remote build system in India was referencing an LDAP
> host in America. Take care with your LDAP configuration settings in your
> obs-api setup. Keep them together in proximate regions.
you can also install a local openldap server on the host in India which is proxying & caching the requests to America.
> Jeff Glanz
> Dell | PG Release Engineering Team
> office + 1 512 724 9509
>
> -----Original Message-----
> From: Glanz, Jeff
> Sent: Tuesday, August 30, 2011 2:12 PM
> To: opensuse-buildservice@opensuse.org
> Cc: Whiteman, George; S, Prabhakar
> Subject: [opensuse-buildservice] Slow http performance
>
> Greetings:
>
> We are using osc, version 131, to download binary files from a build repo
> (osc getbinaries).
>
> We are noticing 2x performance differences in download speeds on different
> OBS2.1 service hosts. The disk io speeds & bit transfer rates to storage
> are exactly the same on both hosts (verified with dd calls). The osc
> download requests are to local host services. On the slow performer, I see
> ruby trace calls referencing '_session' variables, as well as a 'Cookie'
> reference.
>
> We don't see this problem on an old OBS1.6 installation.
> We thought disabling ssl checks (sslcertck=0) would speed up the transfer -
> but this makes no difference.
>
> Here's the html header:
> send: 'GET /build/Project:700: Builder_2/rhel5/i586/......4.1.el5.i386.rpm
> HTTP/1.1\r\nAccept-Encoding: identity\r\nHost: obs-......com\r\nCookie:
> opensuse_webclient_session=0blongkey;
> _frontend_session=BAlongkey--65bblongkey\r\nConnection:
> close\r\nUser-Agent: osc/0.131\r\n\r\n'
>
> The traceroute calls all have a single hop to the local host. We are using
> ssl encryption.
>
> Any ideas as to how we might tune this - or what could be causing these
> differences in download speed?
>
> Thanks.
>
> Jeff Glanz
> Dell | PG Release Engineering Team
> office + 1 512 724 9509
--
Adrian Schroeter
SUSE Linux Products GmbH
email: adrian@suse.de