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Improve documentation of data_sync_retry

Reflecting an updated parameter value requires a server restart, whichwas not mentioned in the documentation and in postgresql.conf.sample.Reported-by: Thomas PotyDiscussion:https://postgr.es/m/15659-0cd812f13027a2d8@postgresql.org

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doc/src/sgml
- config.sgml
src/backend/utils/misc
- postgresql.conf.sample

2 files changed

-2

lines changed

`‎doc/src/sgml/config.sgml`

Lines changed: 2 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -7783,7 +7783,8 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir'`
`7783`	`7783`	`<para>`
`7784`	`7784`	`When set to false, which is the default, <productname>PostgreSQL</productname>`
`7785`	`7785`	`will raise a PANIC-level error on failure to flush modified data files`
`7786`		`- to the filesystem. This causes the database server to crash.`
	`7786`	`+ to the filesystem. This causes the database server to crash. This`
	`7787`	`+ parameter can only be set at server start.`
`7787`	`7788`	`</para>`
`7788`	`7789`	`<para>`
`7789`	`7790`	`On some operating systems, the status of data in the kernel's page`

`‎src/backend/utils/misc/postgresql.conf.sample`

Lines changed: 3 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -635,7 +635,9 @@`
`635`	`635`
`636`	`636`	`#exit_on_error = off# terminate session on any error?`
`637`	`637`	`#restart_after_crash = on# reinitialize after backend crash?`
`638`		`-#data_sync_retry = off# retry or panic on failure to fsync data?`
	`638`	`+#data_sync_retry = off# retry or panic on failure to fsync`
	`639`	`+# data?`
	`640`	`+# (change requires restart)`
`639`	`641`
`640`	`642`
`641`	`643`	`#------------------------------------------------------------------------------`

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Commitab1d9f0

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2 files changed

2 files changed

`‎doc/src/sgml/config.sgml`

`‎src/backend/utils/misc/postgresql.conf.sample`

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