The tag has no wiki summary.

learn more… | top users | synonyms

-2
votes
1answer
77 views

GUEST MEM - VMWARE [closed]

I am reviewing an esxi 4.1 host memory usage I would like to lower some of the memory usage on some virtual machines. For example here I have a windows 2003 server This server is using 1GB Ram one ...
1
vote
1answer
148 views

How do I configure Linux to use less memory for caching?

I have a follow up question to 377448, but not enough rep to comment there. Before I get dinged for asking the same dumb question, let me say I've been reading a lot of similar posts and answers ...
0
votes
2answers
791 views

MySQL Memory usage

Our MySQL server seems to be using a lot of memory. I've tried looking for slow queries and queries with no index and have halved the peak CPU usage and Apache memory usage but the MySQL memory stays ...
0
votes
1answer
565 views

Running out of memory, or running out of disk space?

I'm running a database loading process (osm2pgsql) which is failing: Processing: Node(17404k 148.8k/s) Way(1351k 6.38k/s) Relation(9520 29.94/s)way_done failed: ERROR: could not extend file ...
0
votes
1answer
156 views

Apache thread MEMORY Usage

I am facing an issue over the site i am working on, even in very low load of around 10-20 page views per second, the CPU usage maxes out, with all cores running at 100% plus the apache thread memory ...
0
votes
1answer
30 views

When using alias in NGiNX is the content of the file called loaded on the RAM?

When I load a static file via alias does it load the whole file into the RAM and then sends it to the user or is it stream directly to the user? I am wandering because I have a server with 250MB of ...
0
votes
0answers
38 views

Show peak memory measurement of linux system

How can I see the total peak memory usage of a linux (ubuntu/ debian) system? I'd like to see if I can go for a virtual server with less memory, but therefore I need to know the peak usage of the ...
1
vote
1answer
472 views

mysql becomes unresponsive at same time every day

My server goes down every day at same time. I found that the issue was due to mysql. I tried show processlist; and found that data base was entering in to sleep mode. I saw there was so many inserts ...
8
votes
1answer
1k views

How large is my ZFS dedupe table at the moment?

I have read a lot of information about planning RAM requirements forZFS deduplication. I've just upgraded my file server's RAM to support some very limited dedupe on ZFS zvols which I cannot use ...
2
votes
1answer
944 views

Why does a mysql query, that requires copying to tmp table, randomly sometimes consume 100% CPU during several seconds?

I have some crazy SQL queries in my PHP scripts which badly need some optimization. However the question is NOT about how to optimize them. These queries have a lot of "join"s and some bizarre "order ...
-1
votes
1answer
162 views

Is a memory leak possible?

We have a group of employees who are required to use IE (8, 9 or 10 doesn't seem to make a difference in the issue). When they navigate to the website they are suppose to use, an application loads ...
1
vote
3answers
1k views

Finding Average size of single Apache process for setting MaxClients

i tried pmap pgrep apache2 |grep total on ubuntu 10.4 running Apache and the o/p was like this: total 47768K total 48048K total 48048K total 48048K total 48048K total 48048K ...
-1
votes
1answer
116 views

MySQL settings for MAXIMUM performance / can be specific to particular DB or user? [closed]

We have a dedicated server, a very powerful one, and I don't believe we are getting the most out of MySQL. Even when running ultra-heavy processes that take a very long time to complete, I'm showing ...
0
votes
2answers
101 views

how to access physical memory in BSD platform from terminal or using any system call ?

i just not know how to use mem command in BSD to access physical memory or virtual memory to get the ACPI tables and their Address ....... $mem Enter mem command not found .... so what can i do ? ...
1
vote
2answers
383 views

Should I lower memory config of VMware vCenter Server Appliance?

I have ESXi 5.1 running on 2 hosts with less than 10 virtual machines between them currently. Host 1 has 12GB RAM (Resource Allocation tab says 9288MB) Host 2 has 16GB RAM (Resource Allocation tab ...
2
votes
1answer
171 views

Increased memory usage for uWSGI workers / masters after moving from Debian to Ubuntu

After moving our web servers from Debian to Ubuntu we have noticed a large increase in the amount of memory (RSS) used by uWSGI master and worker processes. The version of uWSGI (1.9.13) remains the ...
0
votes
2answers
3k views

How much resources should backup tools be using? ( issues with clBackup )

My hosting provider makes backups of our servers using a tool called clBackup which pushes files over the network. Below is one ps output we took and reported to our provider: top - 10:06:24 up 25 ...
2
votes
1answer
66 views

How can a VM in Win 2008R2 cluster take more memory than the allocated Max RAM?

We found in Hyper-V Manager of one of the host servers, that one of the VMs in Win 2008R2 cluster shows "higher" Memory Demand than the Max Dynamic RAM allocated to the VM (attached is the ...
1
vote
2answers
289 views

How to prevent termination of long-running Python script

I have a cron job running a Python script on a VM-based remote Ubuntu server. The script takes a couple hours to run, and I'm noticing the kernel appears to be terminating the script before it ...
1
vote
0answers
39 views

Obtain the free_memory value in xen

I would like to know if there's an alternative to the command I am currently using to get the real free memory for the system (meaning memory that can be assigned to new domU) xm info | grep ...
0
votes
1answer
123 views

Apache process races away (process size explosion)

I come here because I have searched and tried different optimization without finding any answers. We have a server with four websites hosted. The frequentation is not very high (we are sure that the ...
3
votes
1answer
569 views

Very high memory usage, but not claimed by any process?

While stress-testing LVM on one of our Debian servers, I came across this issue where memory would fill up a lot to the point where it would run the server out of memory, but no process would claim ...
-2
votes
2answers
357 views

Throttling Postfix memory

I have a VPS on 1and1 similar to this configuration (512MB, burst up to 2GB). I run a web service where I crawl the web and notify my users through email and sms when a certain online data feed ...
-2
votes
2answers
309 views

Does killing proccess means free used memory?

I have the service, that each second run external exe programs (for example process1.exe) and kill's them. Taskmgr - show only one process. After running service i get minimal free memory ...
2
votes
1answer
2k views

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 ...
0
votes
2answers
107 views

How to determine if you need to upgrade memory?

My CentOS server's munin graph shows high swap, but the amount of apps memory seems low. Does this still mean I need to upgrade my memory? What is causing all that swap? Is it because of the ...
-2
votes
1answer
161 views

MySQL memory leak?

I've just installed a brand new server image, and have been finding that MySQL has been consuming a lot of memory despite the fact that nobody's been querying it. I checked free -m to see if it was a ...
0
votes
1answer
255 views

Sar: Free memory statistics (including buffers, cache)

The free commands gives the amount of free memory in two forms: completely free memory (the Mem line) and disposable memory used for caches and buffers (the -/+ buffers/cache line): -bash-3.2$ free ...
4
votes
2answers
244 views

Automatically suspend/hibernate a process when too much memory taken

I'm running a small Debian compute cluster on 8-core PCs with 16GB of RAM. I'm running batches of about 1k tasks (each batch has a total expected time of a month to be finished). A single task is ...
0
votes
1answer
106 views

Sql server 2008 R2 using Half of the memory [closed]

i built a new 2 cpu 8 core 40 gb ram Server for our ERP software which use Sql server 2008 R2 on Win server 2008 standart R2, in Sql There are 7 databases, 2 of them for Tests, 2 of them to keep ...
0
votes
1answer
35 views

Apache memory usage with 404

We're facing a problem with an apache server serving static files. When there are lots of requests for a resource that doesn't exist the apache starts to grow in number of processes and memory usage ...
0
votes
1answer
36 views

Ubuntu Precise server (basic install) using a lot of memory [duplicate]

My Ubuntu 12.04.2 server (all packages and distribution completely up to date) was just using 558MB of RAM when I shelled in this morning. Nothing is running on the server besides sshd and whatever ...
11
votes
11answers
11k views

A monitoring tool that captures processes' memory usage/cpu usage, etc over time

I am looking for a way to diagnose issues, such as swap death, where a balooning memory process fills up swap and kills the whole machine (such as apache). I'm already using cacti and I can set up ...
10
votes
2answers
7k views

Effects of configuring vm.overcommit_memory

My VPS web server running on CentOS 5.4 (Linux kernel 2.6.16.33-xenU) irregularly (like once a month give or take a few weeks) becomes unresponsive due to oom-killer kicking in. Monitoring of the ...
2
votes
1answer
190 views

Memory usage on Windows Server

Our server is always very low on available memory. And yet the top processes only take up a portion of what should be available on our server (with 10 GB of memory). I ran tasklist to get a listing ...
0
votes
1answer
128 views

Linux not freeing the file buffer when we execute rm or > (redirection) operator

I have one router which has embedded-linux with kernel version 2.4.22 running on it. I know its very old version but i have to deal with it. Please take a look at the free command output when i run it ...
4
votes
1answer
393 views

Very high RAM buffers usage following instance resize/reboot

Yesterday afternoon, we resized one of our Linode instances (CentOS 5.7, 64-bit) from a 4GB instance to 12GB. Immediately following that reboot, I noticed that memory usage for buffers was insanely ...
0
votes
2answers
127 views

IIS 7 spawning processes and eating memory for trivial requests

We have a webapp (ASP.NET MVC 4) running on IIS 7.0. Recently, it's started crashing, logging OutOfMemoryException as the cause. We also get a load of "unhealthy worker process" notifications, as well ...
4
votes
1answer
645 views

How can I get memory usage reported in SNMP under Mac OS X 10.8 Server?

I have two servers running Mac OS X 10.8.3 Server (Build 12D78) with SNMP reporting enabled. I have a cacti server set up collecting data from these hosts. My Load Average, CPU Usage, Disk Space Usage ...
1
vote
2answers
90 views

Tracking Individual Processes in Windows Server 2008, Is It Possible?

I'm hoping we can get a solution together on this. I'm looking to try and narrow down what's happening on a windows server 2008 box that's causing us to have to reboot every 2 weeks. Resource ...
1
vote
3answers
4k views

ImageMagick's `convert` utility takes *too much* memory with PDF input

I often use ImageMagick's convert for *->PNG conversion, but when PDF has more than 50 pages — convert eats more that 3 Gib (!!!) of memory. I guess it first loads everything. That's unacceptable. It ...
-1
votes
1answer
46 views

How to configure Apache so that I can get server resource stats per website / per script

How can Apache be configured so that it will be simple to get server resource stats (CPU, memory) per website (as defined by a separate sites-enabled entry) and / or by script (each .html or .php file ...
1
vote
1answer
739 views

How to find out who used all RAM (UPDATED)?

Sometimes I find that 100% of my small Debian machine's RAM is used, but I can't figure out how to find this leak: top show that all memory is used, but I can't find any process that consumed this ...
-1
votes
3answers
582 views

Is this server using too much RAM or virtual memory ? (screen attached) [closed]

I have a VPS with 512MB of ram 40GB storage 1CPU, I run a small domain parking service on it. It is on CentOS, MySQL, Apache, etc. Now my hosting provider claims that my server is putting too much ...
0
votes
0answers
88 views

Postgres using only 500 MB of RAM of the available 4 GB

We recently moved to running postgres server on it's own VM and tracked the memory usage of the VM. Here is what I found: That the postgres is only using 500 MB of the available memory on the VM. ...
0
votes
1answer
149 views

When the JVM is doing a complete GC, is it expected to see a large number of page fault/sec?

It is Window 2003 server. We are running some performance test, and what we see is: 1. In first 5 hours, the page fault/sec is very small, like 10 or 20 In the last 1 hour, the page fault jumps to ...
2
votes
1answer
54 views

Are blocks that are read from LVM kept in Linux's block cache?

Does Linux keep blocks that are read from an LVM logical volume in the block cache as it does with blocks read from a "regular" block device or is the IO direct? Also, do the usual buffering ...
0
votes
1answer
312 views

Increase kmemsize size of non-swappable kernel memory

I'm getting an error about not enough resources on a VPS running CentOS The exact error has to do with non-swappable memory. Here are the stats Current Use 29.35 Soft Limit 30 Hard Limit 33 Units MB ...
2
votes
1answer
332 views

Limit private memory usage per user

I'm using cgroups with the memory controller to set a memory limit for each user (using the memory.limit_in_bytes setting). The problem is that this setting also accounts cache usage. Therefore, if ...
1
vote
0answers
142 views

How to get memory util of LPARs from HMC?

I know I can get CPU utilizations with lslparutil from the HMC. But is there a way to get memory utilization stats of LPARs from the HMC? The metrics I found seems to be all configuration-related ...