How many of you use RBL/CBL checks on your email servers?
I've generally stayed away from them because of the chance of them having false positives, but have been meaning to try them for a while. With spam becoming a larger and larger problem, and the lists getting more and more mature, I figure they can't do anything but help.
I'm very surprised at the difference they made, and I've attached a graph to demonstrate the difference.
Please rate the following on 10:
1- Internap
2- Level3
3- Savvis
4- Mzima
5- Global Crossing
Just have a question for everyone. Does having a Dedicated IP on your shared service affect your purchase decision?
(i.e., When searching for Shared Web Hosting, do you make it a requirement that you get assigned your own Unique IP or do you not care if you are assigned the Main Box IP.)
While dedicated server providers are quick to promote that they support the server hardware how proactive do you expect them to be in terms of identifying hardware problems?
When hardware goes bad a customer might see performance problems and report it, or perhaps notice hardware errors in the logs.
Or is it the host's job to be monitoring hardware components status? Would you consider such monitoring to be part of the basic service or an optional management extra?
I'm interested in your expectations with a typical dedicated server.
I have been using Blue Host for years, but recently they kept suspending my account due to performance problem.
I was only running a php forum (phpBB3) and a Wordpress blog. They kept mentioning it is not problem with space/bandwidth, but issues with "Running application causing high load", and the mysql queries from phpBB3 are taking too long.
Now I am planning to add a Ruby on Rails application. I am sure it will cost more CPU usage. What should I do? Will a move to VPS hosting solve my problem?
We are currently looking to move to a new dedicated server provider located in the United Kingdom. The server is solely used to provide an IRC daemon to a large IRC network that receives multiple gigabits of DDoS and PPS. We are currently with another hosting provider who can no longer support us.
Our current specification is DualCore Xeon 2.67Ghz/4MB Cache with 500GB SATA HDD. A good connection and available bandwidth (preferably 3-5,000 GB bandwidth /month) included in the price. We are seeking to move to a new dedicated server host, if you know a company that can accommodate our needs,
I need to copy some large files from ServerA to ServerB, I want to use scp command.
I need a step by step guide to use it please.
from which server should I start the conection?
what is command to use?
...
How do you prevent people from using different IPs on a machine that has a couple VPS clients on it.
If client A has xxx.xxx.xxx.100-xxx.xxx.xxx.103 and client B has xxx.xxx.xxx.104-xxx.xxx.xxx.105. How do you prevent client B from using client A's IPs? Can't he easily modify the config file for his ethernet device to use an IP that hasn't been assigned to him but is assiged to someone else on the same machine?
i checked the CPU usage on my vpc tru Plesk and Remote control, bouth stating i got high CPU usage around 89% 90% TO 96% up and down, no program is using the resources they are all in 0% in the process tab, but when you check the Performance it stats 95%, i dont understand what is going on,
it's a windows O/S ,vps
I have VPS with 1GB ram and run same proxy sites in VPS,but sometime usage Ram is high almost 80%, but if I see in histat I see user online is same with usually..
and when I use command netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n I see 1 or 2 IP is 200connection , what is mean?
is Ddos attack or what? and I try to ban this IP using command iptables -A INPUT -s [this IP adress]
but I see this IP still connect? so what must I do?
When I remote into my Windows VPS, Task Manager shows 80% CPU usage on the Performance tab, however, if I look at the running tasks, there's hardly any CPU usage. Is Task Manager including CPU usage from all other VPS's on the box?
View 5 Replies View RelatedHow to find which process is using my CPU/RAM on Windows VPS(Virtuzzo). Any tool for the same?
View 7 Replies View RelatedBesides web hosting what are some of the other applications are you using VPSs for?
View 13 Replies View RelatedFor about a couple of days (no configs were changed) I am experiencing high cpu usage from time to time.
At this moment and what I can see is this:
Sites are using low cpu resources, top process is mysql + 1-2 php defuncts replacing each other, after that - httpd requests
Something happens and php are starting to use more cpu thant it should. Cpu top usage shows all php files in all accounts replacing each other (index files, scripts there are like wordpress, forums, etc).
Server crashes... Or I kill all php processes, restart apache and it goes back to normal mode again.
I had the same issue months ago, just cpu usage was even more agressive and much often. After days of checking, I've found that it was
Curl and/or Curlwrappers which were cauisng that. After recompiled apache without them (left curlssl only), cpu load was always stable.
I m currently hosted on a shared host and this is the stat for on eof my site:
Hours CPU Time Execution time CPU Usage Average Memory Processes
0-6 20.46 s 98.86 s 0.24% 2.52 MB 105
6-12 246.99 s 1927.26 s 2.86% 2.46 MB 1328
12-18 373.3 s 3660.48 s 4.32% 2.52 MB 1867
18-24 250.57 s 2800.82 s 2.90% 2.52 MB 1259
So it shows my site uses avg 2.52 MB RAM. This is in shared hostinng plan.
Now suppose I am going for a VPS server with 256 MB RAM, does that mean I will get whole 256 MB RAM for my Site usage or the OS and other application will also consume that amount of RAM.
What I understand that when you go for VPS, the allocated processor and RAM capacity to yur plan will be used by the OS, the cpanel or any other scripts and the Database. So basically they together will consume nearly 256 MB RAM.
Seems to have accidently cut out of my screenshot, but the 4th column reads "NI", can anybody tell me what this is?
There are a few negative values, is this bad?
My site seems to be quite slow at peak times because it is on shared.
I believe a VPS or Semi-Dedicated would be the best way to go.
I don't have too much to spend and I will post my usages below.
I run vBulletin 3.6.7, and at high peak times around 80 users are online, but that can drop to 30 at low periods.
As I said, I would think that VPS would be the way to go..
I have around 20-25USD to spend per month (maybe if you can assist me in finding an offer/promotion..)
I would need DirectAdmin included and preferably Fully-Managed.
I wouldn't be hosting any other sites, apart from my one with vBulletin.
It is a low budget, but if you can't find a VPS, maybe Semi-Dedicated or a flexible shared package..
I have a flash game site,and it's on shared host.
Sometimes it use more than 20% CPU,so it's often down 1-2minutes.
I want to know how much % cpu does vps limit?
It seems that a user may get more percentage of memory purchased for real use. I've got a xen VPS which has access to all 8 CPU cores. Guess this is a good thing to be able to burst CPU resources
[xwu@atom ~]$ cat /proc/cpuinfo | grep processor | awk '{a++} END {print a}'
8
But this requires lots of kthread running to be able to access all CPU resources, which in turn consumes quite some memory, a valuable, limited resource on a small VPS instance.
[xwu@atom ~]$ cat /proc/meminfo | grep Mem
MemTotal: 524288 kB
MemFree: 276128 kB
The output above is grathered when almost no other services are running except sshd.
While XEN VPS surely consumes more memory than OVZ VPS, I would suggest the Xen VPS can be built in such a way less memory is required to just do the housekeeping.
Of course, that would imply careful provisioning, maybe less "overselling" for the sake of lack of a term. The bottom line is how we can reduce the memory usage, while ensure individual VPS instance can still have fair share of CPU if needed.
Is there anyway in the VPS kernel config which can disable access to certain CPU core, thus reducing the number of kthreads and etc?
For some reason, one of my clients wordpress blog is using 100% cpu on a php process per page load. To clarify, the first time you load the page it is very slow, and uses 100% cpu for the PHP process and then if you reload the page (while it is going slow) it loads very fast. After that is done the normal PHP usage per page load is roughly 1-4% if that.
I'm guessing something in the coding is looping, but I am unsure. What I do know is 100% cpu usage for one page view initially is insane.
Does anyone have any ideas on how to fix/resolve this issue?
Which host company you think is the best in terms of allowing a good % of the cpu on shared plan,
so far i have found the following
bluehost not exceed %50 for more than 30 Sec.
hostgator %25 for 60 Sec.
webhostingpad %10 for 30 Sec.
what is the % of cpu allowed on your host?
Can you recommend a method to check ram usage of my vps for the last 24 hrs?
View 7 Replies View RelatedI just uploaded a wordpress site and it already used up 300mb ram. The site receives very little traffic so I doubt the traffic is the cause of the ram usage. Is this normal? my control panel is webmin
Code:
ID Owner Size Command
17691 mysql 129620 kB /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --pid-f ...
13799 named 70392 kB /usr/sbin/named -u named
14329 apache 44176 kB /usr/sbin/httpd
28588 apache 41028 kB /usr/sbin/httpd
7812 apache 38016 kB /usr/sbin/httpd
23719 apache 37416 kB /usr/sbin/httpd
23825 apache 36800 kB /usr/sbin/httpd
19656 root 24224 kB /usr/sbin/httpd
23973 root 12628 kB /usr/libexec/webmin/proc/index_size.cgi
23972 root 12232 kB /usr/libexec/webmin/blue-theme/left.cgi
19533 root 10776 kB /usr/bin/perl /usr/libexec/webmin/miniserv.pl /etc/webmin/miniserv.conf
18376 root 9024 kB sendmail: accepting connections
18384 smmsp 8116 kB sendmail: Queue runner@01:00:00 for /var/spool/clientmqueue
17479 root 7120 kB /usr/sbin/sshd
32654 root 5568 kB /usr/sbin/saslauthd -m /var/run/saslauthd -a pam -n 2
32655 root 5568 kB /usr/sbin/saslauthd -m /var/run/saslauthd -a pam -n 2
32644 root 4396 kB crond
17631 root 3608 kB /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --socket=/var/lib/mysql/my ...
32594 root 2716 kB xinetd -stayalive -pidfile /var/run/xinetd.pid
7794 nobody 2480 kB proftpd: (accepting connections)
11909 root 2144 kB /sbin/udevd -d
1 root 2060 kB init [3]
32556 root 1716 kB syslogd -m 0
i have a vps and its quite a new one since i just ordered it and transfered everything from my previous..
But im getting really high cpu useage and im wanting to know whats best ways to optimize this...
This question is for owners who sell their own VPS services.
Can anyone tell me a 'rough' estimate of what their average setup users purchase from you? Or perhaps a top 3 of your setups?
right time to upgrade your web server in regards to CPU Usage?
Is there any point that you can determine CPU processing is not good enough to handle the requests.
IE - If you see the CPU spiking to 100% time to time, is this a good sign to think about upgrading?
Heres a screenshot of my current webserver CPU usage, does this look really bad?
[url]
I'm just wondering what exactly "CPU Time" is, I have searched Google and checked Wikipedia but still do not really understand. The main reason this is bugging me is that MySQL on our database server seems to have a very high "CPU Time" usage.
This is the top part of the output from "top", with MySQL shown:
Code:
[mike@mysql1 ~]$ top
top - 20:26:05 up 222 days, 16:14, 1 user, load average: 2.04, 2.90, 2.36
Tasks: 95 total, 1 running, 94 sleeping, 0 stopped, 0 zombie
Cpu(s): 27.1%us, 12.1%sy, 0.0%ni, 60.2%id, 0.3%wa, 0.0%hi, 0.2%si, 0.0%st
Mem: 2074276k total, 1990828k used, 83448k free, 163012k buffers
Swap: 4192956k total, 60k used, 4192896k free, 1410448k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
26826 mysql 25 0 483m 324m 5504 S 238 16.0 363300:21 mysqld
1 root 15 0 2064 592 508 S 0 0.0 0:01.24 init
2 root RT -5 0 0 0 S 0 0.0 1:13.13 migration/0
3 root 36 19 0 0 0 S 0 0.0 0:00.00 ksoftirqd/0
4 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0
5 root RT -5 0 0 0 S 0 0.0 0:01.17 migration/1
6 root 34 19 0 0 0 S 0 0.0 0:00.00 ksoftirqd/1
7 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1
8 root RT -5 0 0 0 S 0 0.0 5:34.93 migration/2
9 root 34 19 0 0 0 S 0 0.0 0:00.00 ksoftirqd/2
I ran a TOP command on my two servers but i really dont understand the output ... could someone please explain...
i specially and really really need to under the memory and cpu usage of the servers.
please could someone explain what cpu and mem values really are ... example what is 98.0% us, 0.0% ni, 0.0% wa, 0.2% si etc... as shown besides Cpu(s) and what is 183100k buffers in the Mem
how are the server loads calculated?
+++++++++ Server 1 +++++++++
top - 00:54:09 up 12 days, 1:10, 1 user, load average: 20.64, 15.69, 10.83
Tasks: 138 total, 21 running, 117 sleeping, 0 stopped, 0 zombie
Cpu(s): 98.0% us, 1.7% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.2% hi, 0.2% si
Mem: 2005856k total, 1767704k used, 238152k free, 183100k buffers
Swap: 2040244k total, 128k used, 2040116k free, 810588k cached
+++++++++ Server 2 +++++++++
top - 00:54:59 up 67 days, 23:03, 1 user, load average: 0.10, 0.07, 0.02
Tasks: 122 total, 1 running, 121 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0% us, 0.2% sy, 0.0% ni, 99.8% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 2005396k total, 1948624k used, 56772k free, 53848k buffers
Swap: 2040244k total, 144k used, 2040100k free, 1499772k cached
I have a server with high specs Xeon 3220 16 Cpu and 16 Gb of ram and 2 X 250 Gb HDD.
my server normal CPU and mem usage:
PHP Code:
top - 04:47:19 up 9 days, 3:57, 1 user, load average: 0.71, 0.57, 0.72Tasks: 323 total, 1 running, 322 sleeping, 0 stopped, 0 zombieCpu(s): 1.5%us, 0.6%sy, 0.0%ni, 97.6%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%stMem: 16632188k total, 6030980k used, 10601208k free, 160712k buffersSwap: 2096440k total, 151228k used, 1945212k free, 2810308k cached
when server backuping I have 100% Cpu usage and 99% mem usage like this top Process:
PHP Code:
Top Process %CPU 126 /usr/bin/md5sum /backup/cpbackup/daily/sullo.tar.gzTop Process %CPU 106 gzipTop Process %CPU 99.1 gzip
what is the reason of this problem?
how can I limit Cpu and mem usage for backuping (GZIP)?
how to solv this problem and make backup use less than 50% of my server resource?
I do not know if i have problems with my vps but "top" output looks strange for me. It looks like apache processes have huge VIRT parameter and all processes have huge SWAP param.
My VPS 712 guaranteed and 1024 burstable. I'm running 10 virt hosts with very small traffic. Totally not more than 500 visits/day. Most of sites are static and only two are PHP.
Apache and PHP configuration are very standard.
Here is top output: ...
I'm maxing out on memory and am having trouble figuring out why. Can someone please tell me how to figure out what's using all the memory? When I list system processes in descending order of memory usage percentage, Tomcat is at the top of the list, but only with 0.8%. (Or does that mean 80%?)
I am alloted 256MB of RAM and I'm only hosting a handful of sites, none of which are getting any notable traffic.