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Full Discussion: Solaris 10 processes slow
Top Forums Shell Programming and Scripting Solaris 10 processes slow Post 303002149 by MadeInGermany on Friday 18th of August 2017 08:40:08 AM
Old 08-18-2017
The bigger the process, the longer takes the fork.
Oracle DB processes might be a little better because they use a large portion of "shared memory".

Since also Solaris is from Oracle, you can consider analysis method/tools from Oracle.
Also OS patches often boost performance.

Also you can monitor your system.
E.g. on the command line do
Code:
vmstat 2

you can likely see a bottle neck: a big value in the "b" column means a slow disk, a big value in the "r" column means too much work for the CPU.
If you have a slow CPU, you can look how CPU time is distributed between "sy"s=kernel and "us"er=processes, and hopefully something is left for "id"le. (These values are in percent and sum up to 100.)
If you have a slow disk, you can break down this further with
Code:
iostat -D 2

or with the OS disk names (but long names are truncated)
Code:
iostat -nD 2

Looking for
Code:
netstat | grep 'TIME[_]WAIT'

is a good idea because these processes are waiting for the client to re-open the connection, they cannot be used for another client.
If there are too many processes in TIME_WAIT it can improve by tuning it down, say from
Code:
ndd /dev/tcp tcp_time_wait_interval

60000 reduce it to 30000
Code:
ndd -set /dev/tcp tcp_time_wait_interval 30000
ndd /dev/tcp tcp_time_wait_interval

 

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Locale::Codes::LangExt(3)				User Contributed Perl Documentation				 Locale::Codes::LangExt(3)

NAME
Locale::Codes::LangExt - standard codes for language extension identification SYNOPSIS
use Locale::Codes::LangExt; $lext = code2langext('acm'); # $lext gets 'Mesopotamian Arabic' $code = langext2code('Mesopotamian Arabic'); # $code gets 'acm' @codes = all_langext_codes(); @names = all_langext_names(); DESCRIPTION
The "Locale::Codes::LangExt" module provides access to standard codes used for identifying language extensions, such as those as defined in the IANA language registry. Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default IANA language registry codes will be used. SUPPORTED CODE SETS
There are several different code sets you can use for identifying language extensions. A code set may be specified using either a name, or a constant that is automatically exported by this module. For example, the two are equivalent: $lext = code2langext('acm','alpha'); $lext = code2langext('acm',LOCALE_LANGEXT_ALPHA); The codesets currently supported are: alpha This is the set of three-letter (lowercase) codes from the IANA language registry, such as 'acm' for Mesopotamian Arabic. This is the default code set. ROUTINES
code2langext ( CODE [,CODESET] ) langext2code ( NAME [,CODESET] ) langext_code2code ( CODE ,CODESET ,CODESET2 ) all_langext_codes ( [CODESET] ) all_langext_names ( [CODESET] ) Locale::Codes::LangExt::rename_langext ( CODE ,NEW_NAME [,CODESET] ) Locale::Codes::LangExt::add_langext ( CODE ,NAME [,CODESET] ) Locale::Codes::LangExt::delete_langext ( CODE [,CODESET] ) Locale::Codes::LangExt::add_langext_alias ( NAME ,NEW_NAME ) Locale::Codes::LangExt::delete_langext_alias ( NAME ) Locale::Codes::LangExt::rename_langext_code ( CODE ,NEW_CODE [,CODESET] ) Locale::Codes::LangExt::add_langext_code_alias ( CODE ,NEW_CODE [,CODESET] ) Locale::Codes::LangExt::delete_langext_code_alias ( CODE [,CODESET] ) These routines are all documented in the Locale::Codes::API man page. SEE ALSO
Locale::Codes The Locale-Codes distribution. Locale::Codes::API The list of functions supported by this module. http://www.iana.org/assignments/language-subtag-registry The IANA language subtag registry. AUTHOR
See Locale::Codes for full author history. Currently maintained by Sullivan Beck (sbeck@cpan.org). COPYRIGHT
Copyright (c) 2011-2013 Sullivan Beck This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.16.3 2013-02-27 Locale::Codes::LangExt(3)
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