diff options
Diffstat (limited to 'system/doc/efficiency_guide/advanced.xml')
| -rw-r--r-- | system/doc/efficiency_guide/advanced.xml | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/system/doc/efficiency_guide/advanced.xml b/system/doc/efficiency_guide/advanced.xml index e1760d0ded..7f719849cc 100644 --- a/system/doc/efficiency_guide/advanced.xml +++ b/system/doc/efficiency_guide/advanced.xml @@ -151,7 +151,7 @@ <row> <cell>Processes</cell> <cell>The maximum number of simultaneously alive Erlang processes - is by default 32,768. This limit can be configured at startup. + is by default 262,144. This limit can be configured at startup. For more information, see the <seealso marker="erts:erl#max_processes"><c>+P</c></seealso> command-line flag in the @@ -264,21 +264,26 @@ </row> <row> <cell><marker id="unique_integers"/>Unique Integers on a Runtime System Instance</cell> - <cell>There are two types of unique integers both created using the - <seealso marker="erts:erlang#unique_integer/1">erlang:unique_integer()</seealso> - BIF. Unique integers created: - <taglist> - <tag>with the <c>monotonic</c> modifier</tag> - <item>consist of a set of <c>2⁶⁴ - 1</c> unique integers.</item> - <tag>without the <c>monotonic</c> modifier</tag> - <item>consist of a set of <c>2⁶⁴ - 1</c> unique integers per scheduler - thread and a set of <c>2⁶⁴ - 1</c> unique integers shared by - other threads. That is the total amount of unique integers without - the <c>monotonic</c> modifier is <c>(NoSchedulers + 1) * (2⁶⁴ - 1)</c></item> - </taglist> - If a unique integer is created each nano second, unique integers - will at earliest be reused after more than 584 years. That is, for - the foreseeable future they are unique enough.</cell> + <cell> + There are two types of unique integers both created using the + <seealso marker="erts:erlang#unique_integer/1">erlang:unique_integer()</seealso> + BIF: + <br/><br/> + <em>1.</em> Unique integers created <em>with</em> the + <c>monotonic</c> modifier consist of a set of <c>2⁶⁴ - 1</c> + unique integers. + <br/><br/> + <em>2.</em> Unique integers created <em>without</em> the + <c>monotonic</c> modifier consist of a set of <c>2⁶⁴ - 1</c> + unique integers per scheduler thread and a set of <c>2⁶⁴ - 1</c> + unique integers shared by other threads. That is, the total + amount of unique integers without the <c>monotonic</c> modifier + is <c>(NoSchedulers + 1) × (2⁶⁴ - 1)</c>. + <br/><br/> + If a unique integer is created each nano second, unique integers + will at earliest be reused after more than 584 years. That is, for + the foreseeable future they are unique enough. + </cell> </row> <tcaption>System Limits</tcaption> </table> |