diff options
Diffstat (limited to 'system/doc')
| -rw-r--r-- | system/doc/design_principles/applications.xml | 10 | ||||
| -rw-r--r-- | system/doc/efficiency_guide/advanced.xml | 5 | ||||
| -rw-r--r-- | system/doc/system_principles/error_logging.xml | 34 |
3 files changed, 25 insertions, 24 deletions
diff --git a/system/doc/design_principles/applications.xml b/system/doc/design_principles/applications.xml index c673fde07e..6e5a2ce6cf 100644 --- a/system/doc/design_principles/applications.xml +++ b/system/doc/design_principles/applications.xml @@ -363,9 +363,13 @@ ok application are running.</p> <marker id="application_master"></marker> <p>The application controller then creates an - <em>application master</em> for the application. The application master - is the group leader of all the processes in the application. - The application master starts the application by calling + <em>application master</em> for the application. The application + master becomes the group leader of all the processes in the + application. I/O is forwarded to the previous group leader, + though, this is just a way to identify processes that belong to + the application. Used for example to find itself from any process, + or, reciprocally, to kill them all when it terminates.</p> + <p>The application master starts the application by calling the application callback function <c>start/2</c> in the module, and with the start argument, defined by the <c>mod</c> key in the <c>.app</c> file.</p> diff --git a/system/doc/efficiency_guide/advanced.xml b/system/doc/efficiency_guide/advanced.xml index 83b87a3641..fe77ce8ea4 100644 --- a/system/doc/efficiency_guide/advanced.xml +++ b/system/doc/efficiency_guide/advanced.xml @@ -188,11 +188,6 @@ limit can be raised or lowered using the <c>+t</c> option.</cell> </row> <row> - <cell>Ets tables</cell> - <cell>Default is 1400. It can be changed with the environment - variable <c>ERL_MAX_ETS_TABLES</c>.</cell> - </row> - <row> <cell>Elements in a tuple</cell> <cell>The maximum number of elements in a tuple is 16,777,215 (24-bit unsigned integer).</cell> diff --git a/system/doc/system_principles/error_logging.xml b/system/doc/system_principles/error_logging.xml index 9d95ce8f3b..9290a1de17 100644 --- a/system/doc/system_principles/error_logging.xml +++ b/system/doc/system_principles/error_logging.xml @@ -62,46 +62,48 @@ Error in process <0.27.0> with exit value: {{badmatch,[1,2,3]},[{m,f,1},{shell,e <p>The standard behaviours (<c>supervisor</c>, <c>gen_server</c>, and so on) send progress and error information to Logger. Progress reports are by default not logged, but can be - enabled by setting the Kernel configuration - parameter <c>logger_progress_reports</c> to <c>log</c>. Supervisor - reports, crash reports and other error and information reports - are by default logged through the log handler which is - set up when the Kernel application is started.</p> + enabled by setting the primary log level to <c>info</c>, for + example by using the Kernel configuration + parameter <c>logger_level</c>. Supervisor reports, crash reports + and other error and information reports are by default logged + through the log handler which is set up when the Kernel + application is started.</p> <p>Prior to Erlang/OTP 21.0, supervisor, crash, and progress reports were only logged when the SASL application was running. This behaviour can, for backwards compatibility, be enabled by setting the Kernel configuration - parameter <c>logger_sasl_compatible</c> to <c>true</c>. For more - information, see + parameter <seealso marker="kernel:kernel_app#logger_sasl_compatible"> + <c>logger_sasl_compatible</c></seealso> + to <c>true</c>. For more information, see <seealso marker="sasl:error_logging">SASL Error Logging</seealso> in the SASL User's Guide.</p> <pre> -% <input>erl -kernel logger_progress_reports log</input> -Erlang/OTP 21 [erts-10.0] [source-76388a1] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe] +% <input>erl -kernel logger_level info</input> +Erlang/OTP 21 [erts-10.0] [source-13c50db] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe] -=PROGRESS REPORT==== 18-May-2018::21:33:41.705292 === +=PROGRESS REPORT==== 8-Jun-2018::16:54:19.916404 === application: kernel started_at: nonode@nohost -=PROGRESS REPORT==== 18-May-2018::21:33:41.708900 === +=PROGRESS REPORT==== 8-Jun-2018::16:54:19.922908 === application: stdlib started_at: nonode@nohost -=PROGRESS REPORT==== 18-May-2018::21:33:41.726003 === +=PROGRESS REPORT==== 8-Jun-2018::16:54:19.925755 === supervisor: {local,kernel_safe_sup} - started: [{pid,<0.75.0>}, + started: [{pid,<0.74.0>}, {id,disk_log_sup}, {mfargs,{disk_log_sup,start_link,[]}}, {restart_type,permanent}, {shutdown,1000}, {child_type,supervisor}] -=PROGRESS REPORT==== 18-May-2018::21:33:41.726348 === +=PROGRESS REPORT==== 8-Jun-2018::16:54:19.926056 === supervisor: {local,kernel_safe_sup} - started: [{pid,<0.76.0>}, + started: [{pid,<0.75.0>}, {id,disk_log_server}, {mfargs,{disk_log_server,start_link,[]}}, {restart_type,permanent}, {shutdown,2000}, {child_type,worker}] -Eshell V9.3.1 (abort with ^G) +Eshell V10.0 (abort with ^G) 1> </pre> </section> </chapter> |