Re: logtape.c stats don't account for unused "prefetched" block numbers

Peter Geoghegan <pg@bowt.ie>

From: Peter Geoghegan <pg@bowt.ie>

To: Tom Lane <tgl@sss.pgh.pa.us>

Cc: Jeff Davis <pgsql@j-davis.com>, Alvaro Herrera <alvherre@2ndquadrant.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>

Date: 2020-09-15T22:27:21Z

Lists: pgsql-hackers

On Tue, Sep 15, 2020 at 3:02 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> The tag is applied, though for some reason the pgsql-committers auto
> e-mail about new tags hasn't been working lately.

Thanks. FWIW I did get the automated email shortly after you sent this email.

-- 
Peter Geoghegan

Commits

Change LogicalTapeSetBlocks() to use nBlocksWritten.
- 6e146a663536 13.0 landed
- c8aeaf3ab31e 14.0 landed
HashAgg: release write buffers sooner by rewinding tape.
- 42a46f5a76ec 13.0 landed
- 3bd35d4f516a 14.0 landed
logtape.c: do not preallocate for tapes when sorting
- 93106d71a18a 13.0 landed
- 075896496394 14.0 landed
Fix bogus MaxAllocSize check in logtape.c.
- 4a4f3bf983b4 13.0 landed
- 0852006a946a 14.0 landed
Avoid fragmentation of logical tapes when writing concurrently.
- 896ddf9b3cd7 13.0 cited
Logical Tape Set: use min heap for freelist.
- c02fdc922301 13.0 cited
Don't create "holes" in BufFiles, in the new logtape code.
- 7ac4a389a7db 10.0 cited