On 2021/03/19 11:22, Fujii Masao wrote:
On 2021/03/19 10:37, Thomas Munro wrote:
On Fri, Mar 19, 2021 at 2:16 PM Thomas Munro <thomas.mu...@gmail.com> wrote:
PS: For illustration/discussion, I've also attached a "none" patch. I
also couldn't resist rebasing my "wal" mode patch, which I plan to
propose for PG15 because there is not enough time left for this
release.
Erm... I attached the wrong version by mistake. Here's a better one.
0002 patch looks good to me. Thanks!
I have minor comments.
- * Issue fsync recursively on PGDATA and all its contents, or issue syncfs for
- * all potential filesystem, depending on recovery_init_sync_method setting.
+ * Issue fsync recursively on PGDATA and all its contents, issue syncfs for
+ * all potential filesystem, or do nothing, depending on
+ * recovery_init_sync_method setting.
The comment in SyncDataDirectory() should be updated so that
it mentions "none" method, as the above?
+ This is only safe if all buffered data is known to have been flushed
+ to disk already, for example by a tool such as
+ <application>pg_basebackup</application>. It is not a good idea to
Isn't it better to add something like "without <literal>--no-sync</literal>"
to "pg_basebackup" part? Which would prevent users from misunderstanding
that pg_basebackup always ensures that whatever options are specified.
Regards,
--
Fujii Masao
Advanced Computing Technology Center
Research and Development Headquarters
NTT DATA CORPORATION
