[GitHub] [couchdb-documentation] kocolosk commented on a change in pull request #682: CouchDB 3.2 release notes

[GitBox <gi...@apache.org>]

kocolosk commented on a change in pull request #682:
URL: https://github.com/apache/couchdb-documentation/pull/682#discussion_r709165443



##########
File path: src/whatsnew/3.2.rst
##########
@@ -36,25 +92,161 @@ Features and Enhancements
   :alt: The SSL/TLS handshake enables the TLS client and server to establish
         the secret keys with which they communicate.
 
-* :ghissue:`3472`, :ghissue:`3473`: Migrate some config options from [httpd]
-  to [chttpd], migrate some from [couch_httpd_auth] to [chttpd_auth], and
-  commented out in the default.ini.
+* :ghissue:`3472`, :ghissue:`3473`, :ghissue:`3609`: Migrate some config options from
+  ``[httpd]`` to ``[chttpd]``, migrate some from ``[couch_httpd_auth]`` to
+  ``[chttpd_auth]``, and comment all out in the ``default.ini``.
 
-  **Moved config options from [httpd] to [chttpd]:**
-  `allow_jsonp`, `changes_timeout`, `config_whitelist`,
-  `enable_cors`, `secure_rewrites`, `x_forwarded_host`,
-  `x_forwarded_proto`, `x_forwarded_ssl`,
-  `enable_xframe_options`, `max_http_request_size`.
+  * Config options moved from ``[httpd]`` to ``[chttpd]``:
+    ``allow_jsonp``, ``changes_timeout``, ``config_whitelist``,
+    ``enable_cors``, ``secure_rewrites``, ``x_forwarded_host``,
+    ``x_forwarded_proto``, ``x_forwarded_ssl``,
+    ``enable_xframe_options``, ``max_http_request_size``.
 
-  **Moved config options from [couch_httpd_auth] to [chttpd_auth]:**
-  `authentication_redirect`, `require_valid_user`, `timeout`, `auth_cache_size`,
-  `allow_persistent_cookies`, `iterations`, `min_iterations`, `max_iterations`,
-  `password_scheme`, `proxy_use_secret`, `public_fields`, `secret`,
-  `users_db_public`, `x_auth_roles`, `x_auth_token`, `x_auth_username`,
-  `cookie_domain`, `same_site`
+  * Config options moved from ``[couch_httpd_auth]`` to ``[chttpd_auth]``:
+    ``authentication_redirect``, ``require_valid_user``, ``timeout``, ``auth_cache_size``,
+    ``allow_persistent_cookies``, ``iterations``, ``min_iterations``, ``max_iterations``,
+    ``password_scheme``, ``proxy_use_secret``, ``public_fields``, ``secret``,
+    ``users_db_public``, ``x_auth_roles``, ``x_auth_token``, ``x_auth_username``,
+    ``cookie_domain``, ``same_site``
 
 * :ghissue:`3586`: We added a new way of specifying basic auth credentials
   which can include various characters previously not allowed to be included
   in the url info part of endpoint urls.
 
-* Thank you for reading.
+* :ghissue:`3506`, :ghissue:`3416`, :ghissue:`3377`: CouchDB now provides a Prometheus
+  compatible endpoint at ``GET /_node/{node-name}/_prometheus``. A configuration option
+  allows for scraping via a different port (17986) that does not require authentication,
+  if desired. More information is available at the :ref:`Prometheus API endpoint
+  <api/server/prometheus>` summary.
+
+* :ghissue:`3697`, :issue:`883` (JIRA): As an opt-in policy, CouchDB can now stop
+  encoding the plus sign ``+`` in non-query parts of URLs, in compliance with the
+  original CouchDB standards. The opt-in is via the ``[chttpd] decode_plus_to_space =
+  true`` setting. *In CouchDB 4.x, this is going to be an opt-out policy.*
+
+* :ghissue:`3724`: CouchDB now has new CSP settings for attachments and show/list
+  functions. This deprecates the old ``[csp] enable`` and ``[csp] header_value``
+  settings, replacing them with the new ``[csp] utils_enable`` and ``[csp]
+  utils_header_value`` settings respectively. In addition, new settings for
+  ``attachments_enable``, ``attachments_header_value``, ``showlist_enable`` and
+  ``showlist_header_value`` now are available. Documentation is in the ``default.ini``
+  file.
+
+* :ghissue:`3734`, :ghissue:`3733`: Users with databases that have low ``q`` and ``n``
+  values would often receive the ``No DB shards could be opened`` error when the cluster
+  is overloaded, due to a hard-coded 100ms timeout. CouchDB now calculates a more
+  reasonable timeout, based on the number of shards and the overall maximum fabric
+  request timeout limit, using a geometric series.
+
+Performance
+-----------
+
+* :ghissue:`3337`: Developer nodes now start faster when using the ``dev/run`` script.
+
+* :ghissue:`3366`: The monolithic ``couch_server`` process has been sharded for
+  performance. Previously, as a single ``gen_server``, the process would
+  have a finite throughput that, in busy clusters, is easily breached -- causing a
+  sizeable backlog in the message queue, ultimately leading to failure and errors. No
+  more! The aggregate message queue info is still available in the ``_system`` output.
+  ( :ghissue:`3370` )
+
+* :ghissue:`3208`: CouchDB now uses the latest ibrowse 4.4.2 client for the replicator.
+
+* :ghissue:`3600`, :ghissue:`3047`, :ghissue:`3019`: The default ``slack`` channel for
+  smoosh auto-compaction has been increased to a more reasonable value, reducing load
+  on systems that would have normally been idle in CouchDB 2.x (where no auto-compaction
+  daemon exists).
+
+* :ghissue:`3711`: Changes feeds may no longer rewind after shard moves, assumimg the

Review comment:
       typo: "assuming"




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