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02-12-2012, 09:27 AM #1WHT Addict
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Does this make sense (RAM usage)?
I am hosted in a shared package with 128 MB RAM. I run about 10 WP, 1 SMF, 1 Gallery and assorted stuff within the 128 shared RAM.
I bought a 512 MB VPS for experimental purposes. I installed Centos 6 with ngnix and Kloxo.
With only 3 empty WP packages, the RAM is shown as 520 MB utilized out of 1 GB (burst).
How does this make sense? Is something wrong? How can 3 (empty) WP consume 520 MB RAM when 10+ managed with 128 MB RAM?
Are there any optimization/ tuning techniques that I need to carry out?
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02-12-2012, 09:30 AM #2
Have a read of http://www.linuxatemyram.com/
and then paste the results of
free -m
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02-12-2012, 09:44 AM #3WHT Addict
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Thanks:
(i) Why doesn't this happen in a shared environment (or does it)?
(ii) The free -m command says this:
free -m
total used free shared buffers cached
Mem: 1024 514 509 0 0 0
-/+ buffers/cache: 514 509
Swap: 0 0 0
AFAICS the used RAM is 514MB. That's not good, is it?
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02-12-2012, 10:06 AM #4WHT Addict
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Run "top" command on the server and find out which process or service is consuming most of the memory.
Also I got an URL for Customizing Kloxo to use less Ram.
http://eaweekly.com/en/2011/09/%E0%B...9%89%E0%B8%AD/Ideamine Technologies
http://www.ideaminetech.com, sales(a)ideaminetech.com
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02-12-2012, 10:10 AM #5WHT Addict
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Thanks. I'll implement the kloxo technique and revert. In the meanwhile, the "top" results are this:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 15 0 2156 660 572 S 0.0 0.1 0:01.09 init
1145 root 18 -4 2260 556 344 S 0.0 0.1 0:00.00 udevd
1228 root 25 0 32696 560 464 S 0.0 0.1 0:00.00 brcm_iscsiuio
1513 root 15 0 1812 576 480 S 0.0 0.1 0:00.06 syslogd
1563 named 20 0 109m 4112 2020 S 0.0 0.4 0:00.19 named
1587 qmails 18 0 2000 484 380 S 0.0 0.0 0:00.00 qmail-send
1597 qmaill 18 0 1752 476 404 S 0.0 0.0 0:00.00 splogger
1598 root 18 0 1764 372 292 S 0.0 0.0 0:00.00 qmail-lspawn
1599 qmailr 18 0 1760 380 300 S 0.0 0.0 0:00.00 qmail-rspawn
1600 qmailq 18 0 1744 352 288 S 0.0 0.0 0:00.00 qmail-clean
1610 root 16 0 2832 900 728 S 0.0 0.1 0:00.01 xinetd
1653 root 18 0 3712 1300 1128 S 0.0 0.1 0:00.00 mysqld_safe
1699 mysql 15 0 277m 21m 5884 S 0.0 2.1 0:03.31 mysqld
1700 root 18 0 2904 648 564 S 0.0 0.1 0:00.00 logger
1890 root 18 0 3716 1272 1112 S 0.0 0.1 0:00.00 sh
1898 root 15 0 26732 14m 4204 S 0.0 1.4 0:00.25 php
1941 lxlabs 18 0 6148 1756 740 S 0.0 0.2 0:00.95 kloxo.httpd
Can't make much sense from these figures. They seem to be low.
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02-12-2012, 10:19 AM #6Junior Guru Wannabe
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sorry if your using linux it caches all the ram, so if you have like 2gb ram, it will use about 1.9gb of it, but its still free, just cached
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02-12-2012, 10:22 AM #7Web Hosting Master
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You might also want to use the forum code tags, its impossible to read what your pasting otherwise
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02-12-2012, 10:29 AM #8WHT Addict
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Sorry.
Well the "Kloxo opti technique" does report a dramatic reduction in RAM. My usage is now at 250MB. The free -m results are here:
Code:free -m total used free shared buffers cached Mem: 1024 249 774 0 0 0 -/+ buffers/cache: 249 774 Swap: 0 0 0
sorry if your using linux it caches all the ram, so if you have like 2gb ram, it will use about 1.9gb of it, but its still free, just cached
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02-12-2012, 10:42 AM #9WHT Addict
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Depends on how you set your servers up, i've never heard of Nginx being used with Kloxo...
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02-12-2012, 10:51 AM #10Web Hosting Guru
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I am also pretty sure that Kloxo does not support CentOS 6.
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02-12-2012, 10:53 AM #11WHT Addict
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It's possible, but hard!
http://forum.lxcenter.org/index.php?...16714&start=0&
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02-12-2012, 11:13 AM #12Web Hosting Evangelist
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you can install it but will lose ~12 hour to configure some files manually !!
and I think that while the kloxo updating will have some problem
now I depend on it on the most of my servers
it's became stable
and a lot of bugs have been removed
current version 6.1.10
Code:6.1.9 Bug #000 Run cleanup after new versions 6.1.8 ToDo #729 Modified Lighttpd conf structure for handling 'exclusive ip' and ip/~client 6.1.8 Other #000 And some other small fixes. 6.1.8 ToDo #728 Modified Apache conf structure for handling 'exclusive ip' and ip/~client 6.1.8 Bug #702 Error 'mailaccount_add_failed' when add email account 6.1.7 Bug #710 upcp updated files are now owned by root 6.1.7 Bug #709 Fix 'ownership' And 'permissions' breaks SSH access 6.1.7 Bug #708 User's SSH Authorized key setting 6.1.7 Bug #711 Port 22 at the slave server shows suspicious network activity 6.1.7 Bug #712 Kloxo default page even after doing domain to ip mapping 6.1.7 Bug #725 Webmail lost its SSL 6.1.7 Bug #724 Webmail 500 error with suphp 6.1.7 Bug #721 [QMAIL] All emails tripplicates ---> 3 times the same message 6.1.7 Bug #707 Kloxo slave server shows apache default page instead of kloxo default page 6.1.7 Bug #705 The initiall installed/updated kloxo 6.1.7 gives 403 error at the ip with no damain 6.1.7 Bug #669 Help icon on menu tab is redirecting to non-working link 6.1.7 Bug #657 Client user names with "__" are displayed with missing end 6.1.7 Bug #656 When adding a subdomain, the Document Root field is not being validated 6.1.7 Bug #674 Wildcard and subdomain problem (specific for lighttpd) 6.1.7 Bug #677 Add Hungarian language (was not defined yet) 6.1.7 Bug #703 Alert: httpd_start_failed 6.1.7 Bug #698 Always redirect to /awstats when access to stats.gif 6.1.7 Bug #680 Too high inode count in Kloxo quota 6.1.7 ToDo #658 Two clamav databases, remove one if two databases are found 6.1.7 ToDo #646 New webpage for default/disable/cp/webmail page on Kloxo 6.1.7 6.1.7 ToDo #571 Suphp with httpd-worker and httpd-event 6.1.7 ToDo #567 httpd-itk for kloxo 6.1.7 ToDo #566 Mod_ruid2 on Kloxo 6.1.7 ToDo #575 More readable httpd config files 6.1.7 ToDo #589 Change httpd config structure 6.1.7 ToDo #598 Change lighttpd config structure 6.1.7 ToDo #597 Use cp. to redirect :7778 or :7777 6.1.7 ToDo #590 Move module setting from .httaccess to domain config 6.1.7 ToDo #563 Remove overlap paramaters for SuPHP 6.1.7 ToDo #559 Error warning while installing fresh Kloxo 6.1.7 Bug #652 CentOS6: Kloxo does not detect the OS properly 6.1.7 ToDo #671 Fixed backup-restore issue (and improve) 6.1.7 ToDo #645 New installer script (also packer and patcher) for Kloxo 6.1.7 6.1.7 Feature #625 Make some resource related PHP settings admin only 6.1.7 Feature #716 Unresolved dependency on Apache version 6.1.7 ToDo #538 Kloxo on Centos 64bit 6.1.7 Security #612 Hide password in reboot / shutdown server 6.1.7 Updates #577 After every upcp the line "RoundCube Database installed" is showed. 6.1.7 ToDo #632 Add some scripts for mysql and apache 6.1.7 Feature #570 Lighttpd reloading (no restart after adding domain) 6.1.7 Bug #578 Spamassasin config created in / directory 6.1.7 Bug #581 Update 6.1.6 DNS Managm. denies TXT entry (invalid_subdomain) 6.1.7 Bug #582 Wrong permissions for Roundcube and Horde configuration files 6.1.7 Bug #565 Domain skeleton files chmodded to 0755 6.1.7 Bug #516 Using suphp gives 500 internal server error (Apache) 6.1.7 Bug #650 Kloxo not generating custom php.ini in Apache/suphp mode 6.1.7 Bug #50 Parked domains are not removed from Apache's configuration 6.1.7 Bug #499 Kloxo Installation (InstallApp problem) 6.1.7 Bug #583 New install not create horde and roundcube database 6.1.7 Bug #547 xcache failed to install 6.1.7 Bug #630 parse_ini_file to be enabled by default 6.1.7 Bug #637 Webmail sending problem and possibility solution 6.1.7 Bug #593 Remote Mail Option not working anymore 6.1.7 Bug #638 Installation fails if 'admin' group already exists 6.1.7 Bug #623 Error in function.sh when running /etc/upcp 6.1.7 Bug #609 Not worked add directory to user ftp 6.1.7 Bug #596 WebMail: Not created default folders (IMAP related) 6.1.7 Bug #599 Broken images in kloxo control panel 6.1.7 Bug #607 If a client changes advanced PHP settings, then the website gives a blank page 6.1.6 Bug #519 Spamdyke On Additional Smtp Port affects also primary port 6.1.6 Bug #518 EN language shows english messages not from lang dir 6.1.6 Bug #512 Ezmlm stilll active when choose Remote Mail 6.1.6 Bug #529 Horde does not log-out 6.1.6 Bug #516 Using suphp gives 500 internal server error (Apache) 6.1.6 Security #541 Update Roundcube to 0.5.2 6.1.6 ToDo #483 Add help/help-base etc. to translations 6.1.6 Bug #245 NameVirtualHost has no VirtualHosts 6.1.6 Security #435 Critical PHP security bug (disable_functions configuration in php.ini) 6.1.6 Security #15 Passwords in plain text in shell_exec 6.1.6 Feature #5 Change php sendmail to indicate source domain 6.1.6 Bug #554 Spamassassin - wrong user_prefs 6.1.6 Bug #497 Users can do too much in DNS config 6.1.5 Bug #37 Call domain.tld/stats 6.1.5 Feature #446 Stats page not password protected by default. 6.1.5 Feature #378 Webmail SSL support 6.1.5 Bug #245 NameVirtualHost has no VirtualHosts 6.1.4 Bug #443 InstallApp download/install packages when InstallApp is disabled in GUI. 6.1.4 Bug #448 Error in /script/cleanup in version 6.1.3 6.1.4 Security #435 Critical PHP security bug (disable_functions configuration in php.ini) 6.1.4 Bug #452 Add FTP User button results in a blank page 6.1.4 Bug #450 Re-enable UDEV on Xen VPS (Was disabled in year 2008 by Lxlabs for a bug) 6.1.4 Bug #447 Switch Program fails (CGI died) 6.1.4 Bug #258 Kloxo install on a Citrix Xenserver Centos VM causes console to lock up with error 6.1.3 Bug #418 Kloxo Tree menu depth now limited 6.1.3 Bug #426 Spamdyke whitelist only valid for graylist 6.1.3 Bug #431 Roundcube config/db.inc.php with wrong password and fixwebmail not fixing it. 6.1.3 Bug #416 Cannot delete domain with specific name 6.1.3 Bug #413 Kloxo GUI php.ini: post_max_size should be the same as upload_max_filesize 6.1.3 Bug #367 Add support for IDN Domain 6.1.3 Bug #400 Cannot restore account in GUI or via Commandline API (Restore Failed. Reason: could_not_unzip_file) 6.1.3 Feature #424 Extending Spamdyke features 6.1.3 Feature #436 Alternative smtp port with alternative or without SPAM control 6.1.3 Updates #437 New file creation fails after r297 6.1.2 Bug #407 Traffic history: The delete button should be removed 6.1.2 ToDo #408 Remove: Add Lxlabs Authorized Key button 6.1.2 Bug #390 suphp configuration and problems with the startup of httpd daemon 6.1.2 Bug #383 Adding client on plan with 0 database creates 1 database 6.1.2 Bug #372 Traffic history: sorting of the month field does not work properly 6.1.2 Bug #379 Roundcube can't write logs 6.1.10 Bug #762 apache web domain on slave gives forbidden 6.1.10 Bug #732 New lighttpd directory structure not working for more than 964 domains 6.1.10 Bug #746 [WEBMAIL] No login with horde webmail! 6.1.10 Feature #750 kloxo default page even after doing domain to ip mapping 6.1.10 Feature #753: install old kloxo version? 6.1.10 Bug #731 Upgrading Kloxo caused /etc/lighttpd/conf directory to be removed ! 6.1.10 Bug #779 Links from webmail landing page change to non-ssl 6.1.10 Bug #775 Files listing on Pure-ftp 6.1.10 Bug #772 [TinyDNS] DNS TTL not added to zone files 6.1.10 Bug #773 Horde failing to send mail in kloxo 6.1.7 6.1.10 Bug #774 [beta] Forgot password page is corrupted 6.1.10 Bug #330 Blocking user shouldn't block access to panel by default 6.1.10 Security #000: Don't use "rand" password on lxpopuser and generate a real random salt password 6.1.10 Bug #760 Exclusive IP leads to 403 Forbidden 6.1.10 Bug #725 webmail lost its SSL 6.1.10 Bug #730 Slave auto upgraded / apache config broken 6.1.10 Bug #747 Slave at version 6.1.9? 6.1.10 Bug #684 email at the kloxo slave servers give database error 6.1.10 Bug #470 Disabling web hosting does not disable page 6.1.10 Bug #758 Master fails to connect to Slave after upgrade 6.1.10 Bug #755 creation of secondary mx entry at the dns template gives error 6.1.1 Bug #396 InstallApp icon in kloxo 6.1.0 not working 6.1.1 Bug #388 phpMyAdmin Configfile wrong permission (thirdparty 2013) 6.1.1 Bug #391 Forbidden: You don't have permission to access /index.html on this server. 6.1.0 Kloxo Opensourced version. Many changes.
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02-12-2012, 11:14 AM #13WHT Addict
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Well, sadly, my knowledge doesn't extend beyond copy-paste. I can't remember what I installed. Is there a way to find out (phpinfo doesn't reveal)? The lxcenter.org does say that Centos 6 is not supported. Mine is working very well so it may well be 5.5 or something else. Because it is an experimental site, I am quick to install and remove without much thought!
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02-12-2012, 02:37 PM #14Web Hosting Master
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OpenVZ with "burst," accounts and reports memory allocated, not actually used, hence what you're seeing is higher than normal.
I recall the last time I installed Kloxo in an OpenVZ VPS with 512 MB burst, at stock install all 512 MB was used up and I was getting memory allocation errors. It's not that Kloxo is actually using that much ram, but all of the processes combined are allocating that much.
As long as you're under 1024 MB when you check "free -m" you will be fine. If your provider warns you of using too much burst, then the provider is incompetent and you should probably pack up and move.
Keep in mind that with a VPS, you're running a whole OS along with all the processes that make your websites work. This of course is not the case with shared hosting as you're only given an account to host your websites. You're not running anything extra besides your websites.
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02-12-2012, 02:41 PM #15Web Hosting Master
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