>We upgraded to z/VM 5.2 from z/VM 3.1 a month ago. We have noticed that som >e printing using RSCS V3.2 appears to take 5 to 6 times as long to send Pos >tScript data to the XEROX DocuPrint 75 EPS printer then before. I have revi >ewed all the exec which creates the output and they appear to be working as > before creating a PS file. PPS is then used to print the file which conta >ins %!PS-Adobe-2-0 as the first record. The PS file is about 300,000 record >s, fix length of 80. This I=92m told is a small file and took about 6 minut >es for RSCS to send to the printer on this new release which took about a m >inute on the old system. > >The VM network has changed a little. We are using a VSWITCH instead of atta >ched OSA card to the TCP/IP stack. I would think this should improve the pe >rformance. Both RSCS and TCPIP userid are only using 1 % of CPU cycles. > >The RSCS definitions is as follows > >LINKDEFINE E216LS AST TYPE LPR >PARM E216LS EXIT=3DLPRXPSE TCPID=3DTCPIP2 HOST=3D142.214.195.120 PR=3De21 >0np1 SYSTEM=3DYES EPARM=3D'EOT=3DY EH=3DN SEP=3DY' USER=3DYES >
Have you tried tracing the link to see where the delays may be? Is it between individual sends, or is it a delay in receiving a response to a receive? Best Regards, Les Geer IBM z/VM and Linux Development