Synonym for: RAM - Acronym for: Random Access Memory, a type of computer data storage.

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What is the maximum memory a process (MySQL) can consume on a 32-bit OS?

I have MySQL running on a 32-bit RHEL box. The server itself has 4GB total memory with 2GB allocated to MySQL. I would like to know the max amount of memory I can put in the box and how much of that ...
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How to use most of memory available on MySQL

I've got a MySQL server which has both InnoDB and MyISAM tables. InnoDB tablespace is quite small under 4 GB. MyISAM is big ~250 GB in total of which 50 GB is for indexes. Our server has 32 GB of RAM ...
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MySQL: Load database to memory

Is there a way to load an entire MySQL database to the RAM, especially on en EC2 server? The database is quite small (~500 MegaBytes) I have enough memory Speed issues are crucial - the resulted ...
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MySQL keeps restarting due to running out of memory

how can we prevent this from happening? it generally causes down time of about 30 minutes, which is extremely disruptive for service...
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memory difference on top and htop

I got a new VPS as my database server. I installed only mysql and started. After some time(even after shutting down mysql service), I see only %3-4 of the memory used in htop but according to top I ...
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How do i enable memory overcommit on solaris?

on a solaris 8 server with a specific workload, how do i turn on memory overcommit (à la Linux) ? # Memory size: 65536 Megabytes sun[root] # vmstat 1 procs memory page disk ...
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Linux Top shows 99% Memory in Use - Is it normal? [duplicate]

Possible Duplicate: Linux high memory usage (top total mismatch) High Memory Usage on Linux Server CentOS 5.7 dedicated server. No memory intensive processes running. 12GB RAM installed. ...
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Does it make sense to install online spare memory?

I'm using HP DL360p Generation 8. I need a pretty reliable server, so I'm using RAID 1 with a spare drive, and I also added an extra power supply. But should I install online spare memory? Or it'...
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Windows Web Server 2008 R2 Max RAM 16 GB?

This is page: http://msdn.microsoft.com/en-us/library/aa366778%28v=vs.85%29.aspx I see: Windows Web Server 2008 R2 Limit on X64: 32 GB In my system display, I see: Only 16 GB are usable. Any ideas? ...
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Linux page cache slows down IO on dual cpu server with 64GB ram

I have a massive problem with the linux page cache which slows down the IO. For instance if I copy a lvm partition with dd, linux cache the data in the buffers or caches (free –m). That is not the ...
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What are the advantages of registered memory?

I'm browsing for a few low-end servers for a startup and I'm a bit confused about the different memory types. The advantage of ECC is clear - single-bit error correction. When it comes to registered ...
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Is it sensible to use SLC swap as a RAM substitute on a VM host?

I have a few oldish servers running virtual machines but they are limited to 16GB RAM and that limits the number of VMs I can run and the options for RDS. I've added a RAID1 array of two Intel 311s: ...
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linux log memory hogging issue

We have a VPS server (it's using Virtuozzo). On a few occasions now, our VPS memory was fully used up and no new connections could be made to the server on SSH, SMTP, or POP. The only thing that works ...
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Multibit error encountered on Dell Server Memory

Dell OpenManage reported the following: Memory device status is critical Memory device location: DIMM_B2 Possible memory module event cause:Multi bit error encountered What does this mean? How bad ...
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Linux Huge Pages Usage Accounting

I have configured Huge Pages for use with Java and it appears to be working well although I have a question about the accounting in /proc/meminfo. To illustrate # grep HugePages /proc/meminfo ...
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Low-traffic WordPress website on Apache keeps crashing server [closed]

I have recently moved my low-moderate traffic (1000 UAUs, 5000 pageviews on a busy day) website from shared hosting to a Centos 6 64-bit VPS with Apache and cPanel running on 4 quad-core processor (...
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Why wont my Dell server use IBM ram?

I stumbled upon four pieces of 4GB PC2 5300F RAM from IBM (Part Number 43X5061). In my Dell Poweredge 1950 Rev 2 server there currently are two 512MB sticks, which appear to have the same ...
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How to free PHP-FPM memory?

There are several discussions complaining high memory usage of PHP-FPM, without any practical approach to overcome. As I explored the problem with numerous tests, the problem is related to the age of ...
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IBM server RAM vs other server RAM [closed]

We're looking to upgrade the RAM in one of our IBM System X servers. I received a quote of $560 from IBM for 2x 4GB chips of RAM. I've looked at the exact same type of RAM (ECC PC2-5600 server RAM) ...
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Page table fast growth

Not long ago I've spotted very interesting tool RamMap. I found on several servers running our x32 software that PAGE TABLE grows very quickly – 1.2 GB per day (of 10GB all). Also NONPAGED POOL grows ...
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centos out of memory

I rent a CentOS service, and with no permission creat a swap, now I now I am slow open my site, slow access with putty. When I tried many times, finally see my root part with putty Here is a list of ...
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What does a jagged committed memory graph mean?

We've been attempting to debug load programs on our servers, and along the way we've been looking at some graphs, like this one: (The white spaces are when the server got so hosed we couldn't ...
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how to find out what is causing huge dentry_cache usage?

Note that inode_cache & ext3_inode_cache slabs are very small compared to dentry_cache. What happens is that slowly and steadily the within a week dentry_cache grows from 1M to ~5-6G Then I need ...
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e2fsck aborts: memory allocation failed

I am trying to fix a 9 TB filesystem with e2fsck, however the scan always fails after about 10% or so with the following error: Error storing directory block information: ... Memory allocation failed ...
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Server crashes when too much memory is allocated

my server crashes whenever one of my users is running a 'R' script (this script requires a large amount of memory). Below is the last top I saw: top - 11:32:39 up 20 min, 4 users, load average: 1....
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how to drop_caches in OpenVZ centos6 container

I have tried sudo sh -c 'echo 3 > /proc/sys/vm/drop_caches' sudo echo 3 > /proc/sys/vm/drop_caches echo 3 > /proc/sys/vm/drop_caches echo 3 | sudo tee /proc/sys/vm/drop_caches and a ...
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Debian Squeeze and available memory (1GB absent)

here I've a dedicated server with 12GB RAM and running Debian Lenny x64. dmesg | grep Memory [ 0.004000] Memory: 11917152k/12259740k available (2279k kernel code, 333820k reserved, 1022k data, ...
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CentOS only detecting 50% of ram on IBM Server

I have IBM server with 16 GB RAM installed. Initially it showed 16 GB with free | grep Mem | awk '{print $2}' but now it shows only 8116136 but it must show 16439208 When I do dmidecode -...
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free shows more memory used than top process total

UPDATE: This was being caused due to a known issue with nss-softkn. See this article: https://www.splyt.com/blog/2014-05-16-optimizing-aws-nss-softoken When I run free -m from my centos 6.5 box I ...
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Redis eats up more and more memory

I am running Redis 2.8.17 on Ubuntu 14.04 and yesterday Redis started eating up all the memory until it was killed by OOM. I restarted it multiple times, restarted the server, flushed all the data, ...
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How to handle Docker memory management?

Update: Rather than spinning up my resque worker through the docker command (to test), I instead killed all my containers with fig kill, added it to the fig configuration, and ran fig up. This worked ...
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How do I populate my ProLiant DL320 G6 server with memory?

I have problem with a new HP ProLiant DL320 G6 server. From the beginning it had to less memory, and now I have ordered more memory two times. Now I am struggling to populate the server with these ...
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linux- out of free [duplicate]

Possible Duplicate: free memory in Linux I'm trying to determine if my server needs more memory. free -m total used free shared buffers cached Mem: ...
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Optimization of Soft Page Faults

I am currently doing performance analysis on a server and I see an application is generating a large number of page faults/sec. After checking the page reads/sec it seems these are all soft page ...
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Centos server not using SWAP properly and getting OOM

Recently I've been having some serious memory issues with my server. Just the other day, my server became completely unresponsive, and oom-killer started killing services at random (httpd, php, etc). ...
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Lots of unused memory on EL6 compared to EL5

On our el6 servers there is a quantity of unused memory while on el5 servers there was no such problem. We need to get more aggressive caching on el6 as it used to be in el5. Munin graphs on el6: ...
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e2fsck on a low-memory machine: can I get more out of scratch_files or swap?

I am running CentOS 6 on a 32-bit machine with 1 GB of RAM. I have a 1TB external HDD that I am trying to run e2fsck on. It runs for about an hour and a half and then fails with Error storing ...
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High Sqlservr.exe Memory Usage

I have a problem with sqlservr.exe (version 2008). It use a more memory. I checked on windows taskbar manager, sqlservr.exe usage ( Mem usage - 8GB Ram). I dont know how can I fix it.Got the following ...
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Viewing SQL's cache RAM usage?

I hope this has a really simple solution, but I have a feeling it won't. I've not been able to find any information on this anywhere else, which isn't a good start! Basically we're running SQL Server ...
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Lots of Apache processes but low pageviews

I have a question that maybe you can help me to answer. When I execute ps -aux from 00:00 to 00:03 I get about 30-40 apache processes but visits in such period of time are only 2 (Google Analytics). ...
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High load cause? [duplicate]

Possible Duplicate: what is my server high load cause (4 cores and 8 thread cpu) What is my high load cause? CPU,RAM or IO? 4 Core, 8 thread cpu top - 22:27:07 up 149 days, 5:26, 1 user, ...
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Filesystem cache accessible via HTTP?

After searching the web for hours and couldn't find what I was looking for, I thought someone here might have an idea ;-) I'm looking for Linux a program that will cache in memory a designated folder....
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How to see what is causing failcnt on tcpsndbuf

I am seeing a failcnt on my tcpsndbuf by looking at the user beancounters. How am I able to see what is causing this failcnt? I am experiencing problems with my server and I think that it is as a ...
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Xen Kernel on Debian Squeeze making 1GB memory 'absent'

Possible Duplicate: Fresh Debian Squeeze (6) Installation - Very High Ram Usage We have a Dell Poweredge R210 server with 8GB of installed RAM. This is a fresh install of Debian Squeeze, with ...
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HP ML150 G6 upgrading RAM/CPU beyond specs?

I am being told that some limits on some HP servers can be crossed. Do any of you have any experience with that? A ML150/G6 is limited to 48GB RAM but I have been talking to a German company that ...
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High memory usage of WordPress hosted on DreamHost VPS

Recently I see very high memory usage on VPS servers hosting my blog at DreamHost. There is not traffic increase in the recent months, but the memory usage is pushed by 250 MB. I tried looking at most ...
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What resource limit is Java encountering on my Solaris server?

I have a (sparc) Solaris 10 server with 16G of RAM. There are over 4G free. Memory: 16G phys mem, 4371M free mem, 8193M swap, 8193M free swap I am running a lot of java processes (I'm using the 32-...
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guide for max memory bandwidth AMD Opteron 61xx series

the new opteron have 4 mem channels per CPU. general guidelines for Intel Nehalem: one DIMM in each mem channel results in 1333 Mhz more than 1 DIMM in each channel = 1066Mhz more than 2 per ...
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Why the system information message when accessing an Ubuntu server doesn't match free -m?

Each time I SSH into my AWS Ubuntu servers I see a system information message, showing load, memory usage and packages available to install, like this: Welcome to Ubuntu 12.04.3 LTS (GNU/Linux 3.2.0-...
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Monitor ram and CPU usage

I am testing a variety of tech on my PC before deploying it and i notice sometimes my computer gets really slow sometimes and i am unsure why. I am running windows XP professional edition SP2, i ...