num_of_wal_formula_v1.patch

application/octet-stream

Filename: num_of_wal_formula_v1.patch

Type: application/octet-stream

Part: 0

Message: Fwd: Streaming Replication: Checkpoint_segment and wal_keep_segments on standby

Patch

Same data as JSON: GET /api/v1/attachments/:id/patch the parsed metadata as JSON — format, series position, per-file stats; never the diff bytes. API reference →

Format: context

Series: patch v1

File	+	−
doc/src/sgml/wal.sgml	1	2

*** a/doc/src/sgml/wal.sgml
--- b/doc/src/sgml/wal.sgml
***************
*** 448,455 ****
  
    <para>
     There will always be at least one WAL segment file, and will normally
!    not be more than (2 + <varname>checkpoint_completion_target</varname>) * <varname>checkpoint_segments</varname> + 1
!    or <varname>checkpoint_segments</> + <xref linkend="guc-wal-keep-segments"> + 1
     files.  Each segment file is normally 16 MB (though this size can be
     altered when building the server).  You can use this to estimate space
     requirements for <acronym>WAL</acronym>.
--- 448,454 ----
  
    <para>
     There will always be at least one WAL segment file, and will normally
!    not be more than (2 + <varname>checkpoint_completion_target</varname>) * <varname>checkpoint_segments</varname> + <xref linkend="guc-wal-keep-segments"> + 1
     files.  Each segment file is normally 16 MB (though this size can be
     altered when building the server).  You can use this to estimate space
     requirements for <acronym>WAL</acronym>.