The last two days I'm researching results of NFS operations on Linux, and I noticed some time difference when read and write.
cat /proc/version :
Code:
Linux version 2.6.9-42.ELsmp (bhcompile@hs20-bc1-1.build.redhat.com) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-2)) #1 SMP Wed Jul 12 23:27:17 EDT 2006
Here's how I'm testing :
Code:
time dd if=/dev/zero of=/opt/home/testfile bs=32k count=16384
- this will create 512M file. When writing operation is being done, the time reports : 14.962secs; when reading time is 7.313secs.
I've used mount options as follows :
Code:
mount -o vers=3 $my-hosts-here -o rsize=8192,wsize=8192
I was wondering if this behaviour is expected, in not, any comments or suggestions how to overcome this will be highly appreciated. Thanks.
About 4 years ago I wrote this tool inspired by Rob Urban's collect tool for DEC's Tru64 Unix. What makes this tool as different as collect was in its day is its ability to run at a low overhead and collect tons of stuff. I've expanded the general concept and even include data not available in... (0 Replies)
Hi,
In our environment (HP-UX B.11.11) we mainly use NFS v3 resources as the storage solution for our application. It worked fine, however we have recently noticed big I/O performance degradation that affected the application.
Is there any command or utility that can help us measure I/O... (2 Replies)
Hi all.
I got a performance related problem that bothers me a lot.
we have two computer nodes(svr1 & svr2), and svr1 has mysql 4.1.20 installed as well as nfs, and svr2 can mount disk from svr2, so we can make it possible to share files between them...
the data files we'll deal with can... (6 Replies)
I am getting absolutely dreadful iowait stats on my disks when I am trying to install some applications.
I have 2 physical disks on which I have created 2 separate logical volume groups and a logical volume in each. I have dumped some stats as below
My dual core CPU is not being over utilised... (3 Replies)
Hi,
I have a conflict.
I have 2 servers: the 1st creates an application logs and the 2nd is an empty server.
I want to export (read-only) from the 1st server by NFS the directory that contains the logs to the 2nd server.
Now, the question is:
If in the 2nd server i'm doing a lot of... (3 Replies)
IN solaris, for network high-availability we are using IPMP concept, can u tell me in REDHAT LINUX what we are using... also pls share good step to read & understand the that concept...
Also performance issue in linux what are step & cmd can u tell me??? (2 Replies)
Hi,
I'm supposed to capture many performance stats on AIX 6 and stuck up with below:
Priority queue
Disk cache hit%
Page out rate
Swap out rate
Memory queue
I see vmstatis helpful for "page out" but not sure how to get the "rate".
Could anyone please let me know how to get these... (4 Replies)
A simple question about nfs and jumpstart
,i setup server (all on linux)
tftp ok # boot and reach menu grub,and start
nfs not ok
i did
/export/solaris 192.168.0.0/24(ro,no_root_squash,anonuid=0,anongid=0)
and on solaris i put config with sysidcfg,profile,etc
When solaris boot from net it... (1 Reply)
Discussion started by: Linusolaradm1
1 Replies
LEARN ABOUT CENTOS
locale::codes::langext
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)