Re: backup manifests and contemporaneous buildfarm failures

Andrew Dunstan <andrew.dunstan@2ndquadrant.com>

From: Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
To: Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>
Cc: Fabien COELHO <coelho@cri.ensmp.fr>, Alvaro Herrera <alvherre@2ndquadrant.com>, David Steele <david@pgmasters.net>, Andres Freund <andres@anarazel.de>, Noah Misch <noah@leadboat.com>, Stephen Frost <sfrost@snowman.net>, Amit Kapila <amit.kapila16@gmail.com>, Suraj Kharage <suraj.kharage@enterprisedb.com>, tushar <tushar.ahuja@enterprisedb.com>, Rajkumar Raghuwanshi <rajkumar.raghuwanshi@enterprisedb.com>, Rushabh Lathia <rushabh.lathia@gmail.com>, Tels <nospam-pg-abuse@bloodgate.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>, Jeevan Chalke <jeevan.chalke@enterprisedb.com>, vignesh C <vignesh21@gmail.com>, Thomas Munro <thomas.munro@gmail.com>
Date: 2020-04-08T19:48:40Z
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 →
  1. Try to avoid compiler warnings in optimized builds.

  2. Fix option related issues in pg_verifybackup.

  3. Add index term for backup manifest in documentation.

  4. Code review for backup manifest.

  5. Document the backup manifest file format.

  6. Fix typo in pg_validatebackup documentation.

  7. Exclude backup_manifest file that existed in database, from BASE_BACKUP.

  8. Msys2 tweaks for pg_validatebackup corruption test

  9. Fix resource management bug with replication=database.

  10. Be more careful about time_t vs. pg_time_t in basebackup.c.

  11. pg_validatebackup: Fix 'make clean' to remove tmp_check.

  12. pg_validatebackup: Also use perl2host in TAP tests.

  13. Generate backup manifests for base backups, and validate them.

  14. Add checksum helper functions.

  15. pg_waldump: Add a --quiet option.

  16. Catversion bump for b9b408c48724

  17. pg_basebackup: Refactor code for reading COPY and tar data.

  18. Use a ResourceOwner to track buffer pins in all cases.

  19. Use ARMv8 CRC instructions where available.

  20. Logical replication support for initial data copy

  21. Use Intel SSE 4.2 CRC instructions where available.

  22. Switch to CRC-32C in WAL and other places.

  23. Remove support for 64-bit CRC.

  24. Change CRCs in WAL records from 64bit to 32bit for performance reasons.

On 4/8/20 3:41 PM, Robert Haas wrote:
> On Wed, Apr 8, 2020 at 1:59 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I guess we could commit it and find out.  I'm all for the simpler
>> coding if it works.
> I don't understand what the local $ENV{MSYS2_ARG_CONV_EXCL} =
> $source_ts_prefix does, 


You don't want to know ....


See <https://www.msys2.org/wiki/Porting/#filesystem-namespaces> for the
gory details.


It's the tablespace map parameter that is upsetting it.



> but the remove/unlink condition was suggested
> by Amit Kapila on the basis of testing on his Windows development
> environment, so I suspect that's actually needed on at least some
> systems. I just work here, though.
>

Yeah, drongo doesn't like it, so we'll have to tweak the logic.


I'll update after some more testing.


cheers


andrew



-- 
Andrew Dunstan                https://www.2ndQuadrant.com
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