Re: I: About "Our CLUSTER implementation is pessimal" patch
Itagaki Takahiro <itagaki.takahiro@gmail.com>
From: Itagaki Takahiro <itagaki.takahiro@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Leonardo Francalanci <m_lists@yahoo.it>, Josh Kupershmidt <schmiddy@gmail.com>, pgsql-hackers@postgresql.org
Date: 2010-10-08T05:47:57Z
Lists: pgsql-hackers
On Fri, Oct 8, 2010 at 10:49 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote: > Itagaki Takahiro <itagaki.takahiro@gmail.com> writes: >> I wrote a patch to improve CLUSTER VERBOSE (and VACUUM FULL VERBOSE). >> The patch should be applied after sorted_cluster-20100721.patch . > > Applied with minor fixes; in particular, I think you got the effects of > rewrite_heap_dead_tuple backwards. When a tuple is removed from > unresolved_tups, that amounts to changing its status from "recently > dead" to "dead and will not be written out". Ah, yes. I misunderstood the behavior. Thanks for the fix! -- Itagaki Takahiro