refresh FPM configuration from upstream

php-fpm-www.conf

@@ -1,5 +1,5 @@
 ; Start a new pool named 'www'.
-; the variable $pool can we used in any directive and will be replaced by the
+; the variable $pool can be used in any directive and will be replaced by the
 ; pool name ('www' here)
 [www]
 
@@ -330,6 +330,10 @@ slowlog = /var/log/php-fpm/www-slow.log
 ; Default Value: 0
 ;request_slowlog_timeout = 0
 
+; Depth of slow log stack trace.
+; Default Value: 20
+;request_slowlog_trace_depth = 20
+
 ; The timeout for serving a single request after which the worker process will
 ; be killed. This option should be used when the 'max_execution_time' ini option
 ; does not stop script execution for some reason. A value of '0' means 'off'.
@@ -381,7 +385,7 @@ slowlog = /var/log/php-fpm/www-slow.log
 ; Limits the extensions of the main script FPM will allow to parse. This can
 ; prevent configuration mistakes on the web server side. You should only limit
 ; FPM to .php extensions to prevent malicious users to use other extensions to
-; exectute php code.
+; execute php code.
 ; Note: set an empty value to allow all extensions.
 ; Default Value: .php
 ;security.limit_extensions = .php .php3 .php4 .php5 .php7

php-fpm.conf

@@ -43,6 +43,24 @@ error_log = /var/log/php-fpm/error.log
 ; Default Value: notice
 ;log_level = notice
 
+; Log limit on number of characters in the single line (log entry). If the
+; line is over the limit, it is wrapped on multiple lines. The limit is for
+; all logged characters including message prefix and suffix if present. However
+; the new line character does not count into it as it is present only when
+; logging to a file descriptor. It means the new line character is not present
+; when logging to syslog.
+; Default Value: 1024
+;log_limit = 4096
+
+; Log buffering specifies if the log line is buffered which means that the
+; line is written in a single write operation. If the value is false, then the
+; data is written directly into the file descriptor. It is an experimental
+; option that can potentionaly improve logging performance and memory usage
+; for some heavy logging scenarios. This option is ignored if logging to syslog
+; as it has to be always buffered.
+; Default value: yes
+;log_buffering = no
+
 ; If this number of child processes exit with SIGSEGV or SIGBUS within the time
 ; interval set by emergency_restart_interval then FPM will restart. A value
 ; of '0' means 'Off'.