pg_dump: eliminate tmpfile double-write in tar format output

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ID 6686
Title pg_dump: eliminate tmpfile double-write in tar format output
CI (CFBot) Needs rebase! Needs rebase since 2 hours. Failing since 2 hours.
Additional links previous successfully applied patch (outdated):
Summary
Stats (from CFBot) Unknown
Tags Performance
Created 2026-04-17 15:19:51
Last modified 2026-04-17 15:19:51 (2 hours ago)
Latest email 2026-04-17 00:47:00 (17 hours ago)
Status
PG20-1 (2026-07-01 – 2026-07-31): Needs review
Target version
Authors Josh Kupershmidt (schmiddy)
Reviewers Become reviewer
Committer
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pg_dump: eliminate tmpfile double-write in tar format output
First at 2026-04-17 00:47:00 by Josh Kupershmidt <schmiddy at gmail.com>
Latest at 2026-04-17 00:47:00 by Josh Kupershmidt <schmiddy at gmail.com>
Latest attachment (bench_tar_direct_write.sh) at 2026-04-17 00:47:00 from Josh Kupershmidt <schmiddy at gmail.com>
    Attachment (bench_tar_direct_write.sh) at 2026-04-17 00:47:00 from Josh Kupershmidt <schmiddy at gmail.com> (Patch: No)
History
When Who What
2026-04-17 15:24:22 CFbot Patch needs rebase
2026-04-17 15:19:51 Josh Kupershmidt (schmiddy) Attached mail thread CAK3UJRE_9-iQsQpYnaZFx6RPL9AUqA2wehAc7fNgiY2yhJPZig@mail.gmail.com
2026-04-17 15:19:51 Josh Kupershmidt (schmiddy) Created patch record
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