Horton

Re: refactoring basebackup.c

Justin Pryzby <pryzby@telsasoft.com>

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From: Justin Pryzby <pryzby@telsasoft.com>
To: Jeevan Ladhe <jeevanladhe.os@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Dipesh Pandit <dipesh.pandit@gmail.com>, Abhijit Menon-Sen <ams@toroid.org>, Dmitry Dolgov <9erthalion6@gmail.com>, Jeevan Ladhe <jeevan.ladhe@enterprisedb.com>, Mark Dilger <mark.dilger@enterprisedb.com>, pgsql-hackers@postgresql.org, tushar <tushar.ahuja@enterprisedb.com>
Date: 2022-02-11T15:29:44Z
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. Document BaseBackupSync and BaseBackupWrite wait events.

  2. Support long distance matching for zstd compression

  3. Fix possible NULL-pointer-deference in backup_compression.c.

  4. Allow parallel zstd compression when taking a base backup.

  5. Make PostgreSQL::Test::Cluster::run_log() return a useful value.

  6. Fix a few goofs in new backup compression code.

  7. Replace BASE_BACKUP COMPRESSION_LEVEL option with COMPRESSION_DETAIL.

  8. Add 'basebackup_to_shell' contrib module.

  9. Allow extensions to add new backup targets.

  10. Change HAVE_LIBLZ4 and HAVE_LIBZSTD tests to USE_LZ4 and USE_ZSTD.

  11. pg_basebackup: Clean up some bogus file extension tests.

  12. pg_basebackup: Avoid unclean failure with server-compression and -D -.

  13. Fix LZ4 tests for remaining buffer space.

  14. Add support for zstd base backup compression.

  15. pg_basebackup: Allow client-side LZ4 (de)compression.

  16. Add suport for server-side LZ4 base backup compression.

  17. Add min() and max() aggregates for xid8.

  18. Remove superfluous variable.

  19. pg_basebackup: Cleaner handling when compression is multiply specified.

  20. Allow server-side compression to be used with -Fp.

  21. pg_basebackup: Fix a couple of recently-introduced bugs.

  22. Tidy up a few cosmetic issues related to pg_basebackup.

  23. Server-side gzip compression.

  24. Unbreak pg_basebackup/t/010_pg_basebackup.pl on msys

  25. Suppress variable-set-but-not-used warning from clang 13.

  26. Extend the options of pg_basebackup to control compression

  27. Support base backup targets.

  28. Modify pg_basebackup to use a new COPY subprotocol for base backups.

  29. Document that tar archives are now properly terminated.

  30. Fix thinko in bbsink_throttle_manifest_contents.

  31. Have the server properly terminate tar archives.

  32. Minimal fix for unterminated tar archive problem.

  33. Introduce 'bbstreamer' abstraction to modularize pg_basebackup.

  34. Introduce 'bbsink' abstraction to modularize base backup code.

  35. Refactor basebackup.c's _tarWriteDir() function.

  36. Flexible options for CREATE_REPLICATION_SLOT.

  37. Flexible options for BASE_BACKUP.

On Fri, Feb 11, 2022 at 08:35:25PM +0530, Jeevan Ladhe wrote:
> Thanks Robert for the bravity :-)

FYI: there's a couple typos in the last 2 patches.

I added them to my typos branch; feel free to wait until April if you'd prefer
to see them fixed in bulk.

diff --git a/doc/src/sgml/ref/pg_basebackup.sgml b/doc/src/sgml/ref/pg_basebackup.sgml
index 53aa40dcd19..649b91208f3 100644
--- a/doc/src/sgml/ref/pg_basebackup.sgml
+++ b/doc/src/sgml/ref/pg_basebackup.sgml
@@ -419,7 +419,7 @@ PostgreSQL documentation
        <para>
         The compression method can be set to <literal>gzip</literal> or
         <literal>lz4</literal>, or <literal>none</literal> for no
-        compression. A compression level can be optionally specified, by
+        compression. A compression level can optionally be specified, by
         appending the level number after a colon (<literal>:</literal>). If no
         level is specified, the default compression level will be used. If
         only a level is specified without mentioning an algorithm,
@@ -440,7 +440,7 @@ PostgreSQL documentation
         <literal>-Xstream</literal>, <literal>pg_wal.tar</literal> will
         be compressed using <literal>gzip</literal> if client-side gzip
         compression is selected, but will not be compressed if server-side
-        compresion or LZ4 compresion is selected.
+        compression or LZ4 compression is selected.
        </para>
       </listitem>
      </varlistentry>