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Re: CLOG contention, part 2
On Fri, Jan 20, 2012 at 1:37 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote: > On Sun, Jan 8, 2012 at 9:25 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote: >> I've taken that idea and used it to build a second Clog cache, known >> as ClogHistory which allows access to the read-only tail of pages in >> the clog. Once a page has been written to for the last time, it will >> be accessed via the ClogHistory Slru in preference to the normal Clog >> Slru. This separates historical accesses by readers from current write >> access by committers. Historical access doesn't force dirty writes, >> nor are commits made to wait when historical access occurs. > > This seems to need a rebase. Still applies and compiles cleanly for me. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
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- Re: CLOG contention, part 2 at 2012-01-20 13:37:48 from Robert Haas
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- Re: CLOG contention, part 2 at 2012-01-20 15:32:43 from Robert Haas
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