I was just wondering if it would be alright to dual boot a machine with both UNIX using XTERM for the interface and windows 98 or if people consider this a bad idea? if you consider it bad do tell me some possible alternatives..also would it be better to get linux over pure unix? I'd like a visual... (8 Replies)
Keeping in mind that I'm relatively comfortable with programming in general but very new to unix and korn/bourne shell scripts..
I'm using awk on a CSV file, and then performing calculations and operations on specific fields within specific records. The CSV file I'm working with has about 600... (2 Replies)
Hi All,
I have got an echo statement with "\c" in it to avoid getting into a newline. Ths script is using #!\bin\sh
Any idea what could make it to escape "\c" (4 Replies)
txt file like this,
1 2 3 4456
a bb c d 3 f e
1 k 32 d m f e
123 m 2 k
every line contains 3 or more columns, all the columns are separated by space, and every column includes 1 to 3 character.
what I wanna do is deleting the first three columns, and keep the rest no matter how long... (7 Replies)
Hi all,
I am new to redhat/fedora linux.
In fedora linux 6,we created one file system(hda3 - /fs).
in this mount poing we were installed mounta vista os.
while booting we are getting below error messages.
1)
Booting 'mountaVisat(2.6.18_pro 500_pc_target-x86_586 smp)'
root(hd0,1)... (2 Replies)
Hi,
I have a shell script where a lot of the code is repeated. I wanted to make the code much more compact so I spoke to a guy and he suggested using arrays, like follows:
#!/bin/bash
readonly -a nginx=('nginx' '--prefix=/opt' '-j 4'
'http://nginx.org/download/nginx-1.2.2.tar.gz'
)... (2 Replies)
Hello Experts,
I am performing performance tests on a few mysql select queries.
I use the following command to clear the memory disk caches.
sync && echo 3 | sudo tee /proc/sys/vm/drop_caches
I however see that the above command works on RHEL6 but doesn't work on Solaris 10.
I asked... (4 Replies)
Hello,
/proc/sys/net/ipv4/ip_local_port_range returns 32000 - 61000,
i have a client TCP and a Server TCP. i have used bind() only on the server, the port of socket client is given by the OS that's it ?
it retrieves this port from this range (/proc/sys/net/ipv4/ip_local_port_range) ?
... (5 Replies)
Discussion started by: chercheur111
5 Replies
LEARN ABOUT DEBIAN
cache::sharedmemorycache
Cache::SharedMemoryCache(3pm) User Contributed Perl Documentation Cache::SharedMemoryCache(3pm)NAME
Cache::SharedMemoryCache -- extends the MemoryCache.
DESCRIPTION
The SharedMemoryCache extends the MemoryCache class and binds the data store to shared memory so that separate process can use the same
cache.
The official recommendation is now to use FileCache instead of SharedMemoryCache. The reasons for this include:
1) FileCache provides equal or better performance in all cases that we've been able to test. This is due to all modern OS's ability to
buffer and cache file system accesses very well.
2) FileCache has no real limits on cached object size or the number of cached objects, whereas the SharedMemoryCache has limits, and rather
low ones at that.
3) FileCache works well on every OS, whereas the SharedMemoryCache works only on systems that support IPC::ShareLite. And IPC::ShareLite
is an impressive effort -- but think about how hard it is to get shared memory working properly on *one* system. Now imagine writing a
wrapper around shared memory for many operating systems.
SYNOPSIS
use Cache::SharedMemoryCache;
my %cache_options_= ( 'namespace' => 'MyNamespace',
'default_expires_in' => 600 );
my $shared_memory_cache =
new Cache::SharedMemoryCache( \%cache_options ) or
croak( "Couldn't instantiate SharedMemoryCache" );
METHODS
See Cache::Cache for the API documentation.
OPTIONS
See Cache::Cache for the standard options.
PROPERTIES
See Cache::Cache for the default properties.
SEE ALSO
Cache::Cache, Cache::MemoryCache
AUTHOR
Original author: DeWitt Clinton <dewitt@unto.net>
Last author: $Author: dclinton $
Copyright (C) 2001-2003 DeWitt Clinton
perl v5.12.4 2009-03-01 Cache::SharedMemoryCache(3pm)
10-15-2010
