https://community.hpe.com/t5/operating-system-hp-ux/tns-12560-tns-protocol-adapter-error/m-p/2466989#M774475 In heavy i/o operation, the HP is very slow. I noticed this message in the listener log:<BR /><BR />TNS-12560 TNS: Protocol adapter error<BR />HPUX Error:233: No buffer space available.<BR /><BR />Any idea??<BR /><BR />Thank's <BR /> Thu, 23 Nov 2000 23:03:05 GMT Marco Hernandez Padill 2000-11-23T23:03:05Z https://community.hpe.com/t5/operating-system-hp-ux/tns-12560-tns-protocol-adapter-error/m-p/2466989#M774475 In heavy i/o operation, the HP is very slow. I noticed this message in the listener log:<BR /><BR />TNS-12560 TNS: Protocol adapter error<BR />HPUX Error:233: No buffer space available.<BR /><BR />Any idea??<BR /><BR />Thank's <BR /> Thu, 23 Nov 2000 23:03:05 GMT https://community.hpe.com/t5/operating-system-hp-ux/tns-12560-tns-protocol-adapter-error/m-p/2466989#M774475 Marco Hernandez Padill 2000-11-23T23:03:05Z https://community.hpe.com/t5/operating-system-hp-ux/tns-12560-tns-protocol-adapter-error/m-p/2466990#M774476 Hi.<BR />You should check the buffer cache parameter in your kernel. We have set the buffer cache to <BR />ten percent of the RAM installed in our machine.<BR />rgds<BR />Alexander M. Ermes Fri, 24 Nov 2000 07:15:06 GMT https://community.hpe.com/t5/operating-system-hp-ux/tns-12560-tns-protocol-adapter-error/m-p/2466990#M774476 Alexander M. Ermes 2000-11-24T07:15:06Z https://community.hpe.com/t5/operating-system-hp-ux/tns-12560-tns-protocol-adapter-error/m-p/2466991#M774477 The kernelparameters are :<BR />dbc_max_pct<BR />dbc_min_pct<BR />rgds<BR />Alexander M. Ermes<BR /> Fri, 24 Nov 2000 07:18:23 GMT https://community.hpe.com/t5/operating-system-hp-ux/tns-12560-tns-protocol-adapter-error/m-p/2466991#M774477 Alexander M. Ermes 2000-11-24T07:18:23Z