RE: reloption to prevent VACUUM from truncating empty pages at the end of relation

Tsunakawa, Takayuki <tsunakawa.takay@jp.fujitsu.com>

From: "Tsunakawa, Takayuki" <tsunakawa.takay@jp.fujitsu.com>

To: Alvaro Herrera <alvherre@2ndquadrant.com>, 'Amit Kapila' <amit.kapila16@gmail.com>

Cc: "Jamison, Kirk" <k.jamison@jp.fujitsu.com>, Laurenz Albe <laurenz.albe@cybertec.at>, Tom Lane <tgl@sss.pgh.pa.us>, Fujii Masao <masao.fujii@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2019-02-01T05:02:54Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Add TRUNCATE parameter to VACUUM.
- b84dbc8eb80b 12.0 landed
Add vacuum_truncate reloption.
- 119dcfad988d 12.0 landed
Allow VACUUM to be run with index cleanup disabled.
- a96c41feec6b 12.0 cited

Attachments

disable-vacuum-truncation_v2.patch (application/octet-stream) patch v2

From: Tsunakawa, Takayuki [mailto:tsunakawa.takay@jp.fujitsu.com]
> As most people seem to agree adding the reloption, here's the patch.  It
> passes make check, and works like this:

Sorry, I forgot to include the modified header file.  Revised patch attached.


Regards
Takayuki Tsunakawa