Re: backup manifests

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: tushar <tushar.ahuja@enterprisedb.com>
Cc: Rajkumar Raghuwanshi <rajkumar.raghuwanshi@enterprisedb.com>, Suraj Kharage <suraj.kharage@enterprisedb.com>, Rushabh Lathia <rushabh.lathia@gmail.com>, Tels <nospam-pg-abuse@bloodgate.com>, David Steele <david@pgmasters.net>, Andrew Dunstan <andrew.dunstan@2ndquadrant.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>, Jeevan Chalke <jeevan.chalke@enterprisedb.com>, vignesh C <vignesh21@gmail.com>
Date: 2020-03-09T17:16:47Z
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 Mon, Mar 9, 2020 at 12:22 PM tushar <tushar.ahuja@enterprisedb.com> wrote:
> On 3/5/20 10:25 PM, Robert Haas wrote:
> > Here's an updated patch set responding to many of the comments
> > received thus far.
> Thanks Robert. There is a scenario - if user provide port of v11 server
> at the time of  creating 'base backup'  against pg_basebackup(v13+ your
> patch applied)
> with option --manifest-checksums,will lead to  this  below error
>
> [centos@tushar-ldap-docker bin]$ ./pg_basebackup -R -p 9045
> --manifest-checksums=SHA224 -D dc1
> pg_basebackup: error: could not initiate base backup: ERROR: syntax error
> pg_basebackup: removing data directory "dc1"
> [centos@tushar-ldap-docker bin]$
>
> Steps to reproduce -
> PG v11 is running
> run pg_basebackup against that with option --manifest-checksums

Seems like expected behavior to me. We could consider providing a more
descriptive error message, but there's now way for it to work.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company