Sponsored Content
Top Forums Programming Ways to preserve a memory cache Post 302699493 by goon12 on Tuesday 11th of September 2012 08:35:24 PM
Old 09-11-2012
This might be a Java solution to using a memory-map file:
FileChannel (Java Platform SE 7 ), long, long)
 

10 More Discussions You Might Find Interesting

1. Windows & DOS: Issues & Discussions

Clearing of cache memory

Pls! will someone help me on how to clear my cache memory of my Internet browser Thanks Kayode (3 Replies)
Discussion started by: kayode
3 Replies

2. Solaris

File cache portion of memory on Solaris

I'm looking to get the file cache portion of physical (real) memory on a Solaris workstation (Similar to the Cache: line in /proc/meminfo on some Linux systems): # swap -s; swap -l; vmstat 2 2; echo "::memstat" | mdb -k total: 309376k bytes allocated + 41428k reserved = 350804k used,... (5 Replies)
Discussion started by: Devyn
5 Replies

3. UNIX for Dummies Questions & Answers

High use of cache memory

Hi, I'm running a debian lenny 1GB ram, but with a high I/O. This server has 400IOPS and 3MB/s sustain. So, I noted cached memory use 800MB, buffered memory use 50MB, and no free memory is available. Questions: What does mean such a high cached memory? Who's using this cached memory? Is... (3 Replies)
Discussion started by: iga3725
3 Replies

4. UNIX for Advanced & Expert Users

linux memory buffers & cache usage

18:45:47 # free -m total used free shared buffers cached Mem: 96679 95909 770 0 1530 19550 -/+ buffers/cache: 74828 21851 Swap: 12287 652 11635 Hi all. The below output is from a RHEL 4.5... (0 Replies)
Discussion started by: drummerrob
0 Replies

5. Red Hat

Need to release Cache memory

Right now i am using Red Hat Enterprise Linux AS release 4 and cache memory occupying around 1.5GB mentioned below, total used free shared buffers cached Mem: 2026 2021 5 0 161 1477 -/+ buffers/cache: 382 1644 ... (4 Replies)
Discussion started by: thakshina
4 Replies

6. Solaris

clear cache memory

hi all, i have noticed that my server has 64 GB RAM and i have application in this server but the server has free memory only 15% and utilized 85% however it didn't eat from swap . does any parameter can be configured in kernel to make the system clear memory from cache like linux i found... (4 Replies)
Discussion started by: maxim42
4 Replies

7. UNIX for Dummies Questions & Answers

Clearing memory cache on Linux server

i wish to clear memory cache on a production box and i was wondering what is the worst that can happen if i do? i already tested this on a backup server and everything seemed fine. but i need to know from you experts what are the worst things that can happen when i run it on a real server: ... (5 Replies)
Discussion started by: SkySmart
5 Replies

8. AIX

AIX swap space, physical memory & cache

Hi, I am new to AIX, Can someone please help me how to know the swap space, total physical memory and system cache? We are using AIX 5.3. Thanks! (3 Replies)
Discussion started by: Phaneendra G
3 Replies

9. Programming

Memory and cache access time discrepancy

#include<stdio.h> #include<stdlib.h> #include<sys/time.h> #include<time.h> #include "rdtsc.h" #define SIZE 4*64*1024 int main() { unsigned long long a,b; int arr={0}; int i; register int r; a=rdtsc(); r=arr; b=rdtsc(); printf("1st element Access Cycles = %llu\n",b-a); (2 Replies)
Discussion started by: Vaibhavs1985
2 Replies

10. UNIX for Dummies Questions & Answers

Best ways to get clear info about CPU and Memory

Hello all i did search the web and found allot of answers but im confused what are the best ways to get this info via Linux default commands 1. current Cpu Usage in Percent 2. current Memory Usage In Bytes 3. current Memory Available In Bytes Thanks! (2 Replies)
Discussion started by: umen
2 Replies
SQL::Translator::Parser::Oracle(3pm)			User Contributed Perl Documentation		      SQL::Translator::Parser::Oracle(3pm)

NAME
SQL::Translator::Parser::Oracle - parser for Oracle SYNOPSIS
use SQL::Translator; use SQL::Translator::Parser::Oracle; my $translator = SQL::Translator->new; $translator->parser("SQL::Translator::Parser::Oracle"); DESCRIPTION
From http://www.ss64.com/ora/table_c.html: CREATE [GLOBAL TEMPORARY] TABLE [schema.]table (tbl_defs,...) [ON COMMIT {DELETE|PRESERVE} ROWS] [storage_options | CLUSTER cluster_name (col1, col2,... ) | ORGANIZATION {HEAP [storage_options] | INDEX idx_organized_tbl_clause}] [LOB_storage_clause][varray_clause][nested_storage_clause] partitioning_options [[NO]CACHE] [[NO]MONITORING] [PARALLEL parallel_clause] [ENABLE enable_clause | DISABLE disable_clause] [AS subquery] tbl_defs: column datatype [DEFAULT expr] [column_constraint(s)] table_ref_constraint storage_options: PCTFREE int PCTUSED int INITTRANS int MAXTRANS int STORAGE storage_clause TABLESPACE tablespace [LOGGING|NOLOGGING] idx_organized_tbl_clause: storage_option(s) [PCTTHRESHOLD int] [COMPRESS int|NOCOMPRESS] [ [INCLUDING column_name] OVERFLOW [storage_option(s)] ] nested_storage_clause: NESTED TABLE nested_item STORE AS storage_table [RETURN AS {LOCATOR|VALUE} ] partitioning_options: Partition_clause {ENABLE|DISABLE} ROW MOVEMENT Column Constraints (http://www.ss64.com/ora/clause_constraint_col.html) CONSTRAINT constrnt_name {UNIQUE|PRIMARY KEY} constrnt_state CONSTRAINT constrnt_name CHECK(condition) constrnt_state CONSTRAINT constrnt_name [NOT] NULL constrnt_state CONSTRAINT constrnt_name REFERENCES [schema.]table[(column)] [ON DELETE {CASCADE|SET NULL}] constrnt_state constrnt_state [[NOT] DEFERRABLE] [INITIALLY {IMMEDIATE|DEFERRED}] [RELY | NORELY] [USING INDEX using_index_clause] [ENABLE|DISABLE] [VALIDATE|NOVALIDATE] [EXCEPTIONS INTO [schema.]table] Note that probably not all of the above syntax is supported, but the grammar was altered to better handle the syntax created by DDL::Oracle. AUTHOR
Ken Youens-Clark <kclark@cpan.org>. SEE ALSO
SQL::Translator, Parse::RecDescent, DDL::Oracle. perl v5.14.2 2012-01-18 SQL::Translator::Parser::Oracle(3pm)
All times are GMT -4. The time now is 09:25 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy