(2011/04/13 8:34), Tom Lane wrote: > Greg Stark<gsst...@mit.edu> writes: >> Doesn't pg_lesslog depend on this? > > One hopes not.
AFAIK it's safe because pg_lesslog removes full-page image only when it has enough information for substitute incremental log. For example of XLOG_HEAP_INSERT, pg_lesslog generates incremental logs such as xl_heap_header and tuple image from the inserted tuple in the full-page image, and replaces full-page image with them. Regards, -- Shigeru Hanada -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers