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Improve documentation of data_sync_retry

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Reflecting an updated parameter value requires a server restart, which
was not mentioned in the documentation and in postgresql.conf.sample.

Reported-by: Thomas Poty
Discussion: https://postgr.es/m/15659-0cd812f13027a2d8@postgresql.org
This commit is contained in:
Michael Paquier
2019-02-28 11:02:36 +09:00
parent 3a682a21b7
commit 1e5ed16c61
2 changed files with 5 additions and 2 deletions
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3
doc/src/sgml/config.sgml
View File

@@ -7061,7 +7061,8 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'
<para>
When set to false, which is the default, <productname>PostgreSQL</productname>
will raise a PANIC-level error on failure to flush modified data files
to the filesystem. This causes the database server to crash.
to the filesystem. This causes the database server to crash. This
parameter can only be set at server start.
</para>
<para>
On some operating systems, the status of data in the kernel's page

4
src/backend/utils/misc/postgresql.conf.sample
View File

@@ -602,7 +602,9 @@
#exit_on_error = off # terminate session on any error?
#restart_after_crash = on # reinitialize after backend crash?
#data_sync_retry = off # retry or panic on failure to fsync data?
#data_sync_retry = off # retry or panic on failure to fsync
# data?
# (change requires restart)
#------------------------------------------------------------------------------