a guess it's said inter-locking, I mean data accessed exclusively. I apologize for my english
----- Original Message ----- From: "Neil Conway" <[EMAIL PROTECTED]> To: "Luis Alberto Amigo Navarro" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Tuesday, November 05, 2002 4:47 PM Subject: Re: [HACKERS] a tiny question > "Luis Alberto Amigo Navarro" <[EMAIL PROTECTED]> writes: > > When we improve seq scans, systems scales well up to 8 cpus.When we improve index > > scan, query performance increase but system stops scaling at about 4 proccessors, > > profiling shows that it is due to increased memory contention > > What do you mean by "memory contention"? > > Cheers, > > Neil > > -- > Neil Conway <[EMAIL PROTECTED]> || PGP Key ID: DB3C29FC > > > ---------------------------(end of broadcast)--------------------------- > TIP 6: Have you searched our list archives? > > http://archives.postgresql.org > > ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
