From: | Justin Pryzby <pryzby(at)telsasoft(dot)com> |
---|---|
To: | "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org> |
Cc: | pgsql-advocacy(at)lists(dot)postgresql(dot)org |
Subject: | Re: PostgreSQL 14 Beta 1 release announcement draft |
Date: | 2021-05-17 17:24:10 |
Message-ID: | 20210517172410.GH373@telsasoft.com |
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Thread: | |
Lists: | pgsql-advocacy |
On Mon, May 17, 2021 at 10:15:56AM -0400, Jonathan S. Katz wrote:
> This release has significant improvements in transaction throughput in
> PostgreSQL systems that have large numbers of connections to the database,
> regardless if they are active or idle.
regardless of whether
(I think)
> indexes. [GiST indexes](https://www.postgresql.org/docs/14/indexes-types.html#INDEXES-TYPE-GIST)
> can now use pre-sorted data during their build process, allowing both for faster
> index creation and smaller indexes.
Instead of "use pre-sorted" I think it should say "can now pre-sort.."
> [SP-GiST indexes](https://www.postgresql.org/docs/14/indexes-types.html#INDEXES-TYPE-SPGIST)
> now support [covering indexes](https://www.postgresql.org/docs/14/indexes-index-only-scans.html)
> that allow users to add additional, nonsearchable columns to the index through
> the `INCLUDE` clause.
*in the index
> PostgreSQL 14. This new release adds more capabilities to [extended statistics](https://www.postgresql.org/docs/14/planner-stats.html),
> which can now be used on [expressions](https://www.postgresql.org/docs/14/view-pg-stats-ext-exprs.html).
can be *created on expressions
> PostgreSQL has supported compression on its "oversized data" columns (i.e. the
> [TOAST](https://www.postgresql.org/docs/14/storage-toast.html) system) for
> decades, but this release adds the ability to now choose to use
> [LZ4 compression](https://www.postgresql.org/docs/14/sql-createtable.html) on
> tables.
say "on TOAST tables", otherwise it sounds like what's new is "tables"
rather than "LZ4".
> PostgreSQL 14 includes numerous improvements on what information can be
> monitored, including the ability to track progress on `COPY` using the
> [`pg_stat_progress_copy`](https://www.postgresql.org/docs/14/progress-reporting.html#COPY-PROGRESS-REPORTING)
> view. This release lets WAL activity be tracked from the [`pg_stat_wal`](https://www.postgresql.org/docs/14/monitoring-stats.html#MONITORING-PG-STAT-WAL-VIEW)
"allows WAL activity to be tracked"
> The [`REINDEX`](https://www.postgresql.org/docs/14/sql-reindex.html) command in
in *PostgreSQL 14
> of waiting for them to be completed. The [`ALTER SUBSCRIPTION`](https://www.postgresql.org/docs/14/sql-altersubscription.html)
> makes it easier to add/remove publications using the new `ADD/DROP PUBLICATION`]
> syntax.
missing "command"
> PostgreSQL 14 now adds a general subscripting framework for retrieving
remove "now"
As usual, Erik already reported half of my typos ;)
--
Justin
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