Re: [CentOS] Effectiveness of CentOS vm.swappiness

2015-06-11 Thread Markus Shorty Uckelmann
Am 04.06.2015 um 22:18 schrieb Markus Shorty Uckelmann: Hi all, Thanks for all your help! I just found a few additional things one can or should do when investigating swap-related issues: * dmesg - always do that! * Look for a RAM-disk. These things are kernel memory. So they don't show

Re: [CentOS] Effectiveness of CentOS vm.swappiness

2015-06-06 Thread Markus Shorty Uckelmann
Am 05.06.2015 um 23:32 schrieb Gordon Messmer: Those two things can't really both be true. If the pages swapped out are unused, then the application won't suffer as a result. Why not? If you have an application which sees action only every 12 to 24 hours,I think this can happen. Well,

Re: [CentOS] Effectiveness of CentOS vm.swappiness

2015-06-06 Thread Markus Shorty Uckelmann
Am 06.06.2015 um 05:06 schrieb Dennis Jacobfeuerborn: That's true but it also means that if you lock that page so it cannot be swapped out then this page is not available for the page cache so you incur the i/o hit either way and it's probably going to be worse because the system has no longer

Re: [CentOS] Effectiveness of CentOS vm.swappiness

2015-06-05 Thread Markus Shorty Uckelmann
Am 05.06.2015 um 00:23 schrieb Dennis Jacobfeuerborn: If I'd have to venture a guess then I'd say there are memory pages that are never touched by any processes and as a result the algorithm has decided that it's more effective to swap out these pages to disk and use the freed ram for the

Re: [CentOS] Effectiveness of CentOS vm.swappiness

2015-06-05 Thread Markus Shorty Uckelmann
Am 05.06.2015 um 18:33 schrieb Gordon Messmer: On 06/05/2015 03:29 AM, Markus Shorty Uckelmann wrote: some (probably unused) parts are swapped out. But, some of those parts are the salt-minion, php-fpm or mysqld. All services which are important for us and which suffer badly from being swapped

Re: [CentOS] Effectiveness of CentOS vm.swappiness

2015-06-05 Thread Markus Shorty Uckelmann
Am 05.06.2015 um 17:40 schrieb Greg Lindahl: On Fri, Jun 05, 2015 at 12:29:04PM +0200, Markus Shorty Uckelmann wrote: How can I further debug this problem and find out what's the culprit? It's working as designed. Sadly. It is just my first time I see this behaviour to this extent/on so

[CentOS] Effectiveness of CentOS vm.swappiness

2015-06-04 Thread Markus Shorty Uckelmann
Hi all, This might not be CentOS related at all. Sorry about that. I have lots of C6 C7 machines in use and all of them have the default swappiness of 60. The problem now is that a lot of those machines do swap although there is no memory pressure. I'm now thinking about lowering swappiness to

Re: [CentOS] Monitor RPMs in Repo

2015-01-29 Thread Markus Shorty Uckelmann
Am 28.01.2015 um 18:08 schrieb Jonathan Billings: I use 'mrepo' [1] to sync EPEL (and other repos) to a local mirror so systems not publicly routed can get packages. It generates an email of repo changes every time it runs, so I know what is added and removed. Will take look. I also

Re: [CentOS] CentOSn7 graphite-web RPM

2015-01-28 Thread Markus Shorty Uckelmann
Am 28.01.2015 um 08:08 schrieb Philip Keogh: For EPEL's process, see their web site (which also contains a procedure for getting package updates created and finding the maintainer of a package that you are interested in): https://fedoraproject.org/wiki/EPEL/GuidelinesAndPolicies In the case of

[CentOS] Monitor RPMs in Repo

2015-01-27 Thread Markus Shorty Uckelmann
Hi all, Sorry for the bad subject. I'd like to do two things. - Know when a RPM which is currently in only one repository pops up in a different repository. E.g. RPM going from epel-testing to epel. - Get notified when a RPM pops up in a repository. E.g. waiting for an RPM to appear. I know

Re: [CentOS] CentOSn7 graphite-web RPM

2015-01-27 Thread Markus Shorty Uckelmann
Am 28.01.2015 um 07:07 schrieb Philip Keogh: Hi Philip, There's a .spec file that the author ran through mock on EL7: https://github.com/mckern/carbon/blob/rpm_spec/rpm_spec/carbon.spec By author you mean the author of the RPM? (If you need to know how to generate an RPM from a .spec see

[CentOS] CentOSn7 graphite-web RPM

2015-01-27 Thread Markus Shorty Uckelmann
Hi folks, Does anyone know if and when RPMs for graphite-web will be available in CentOS 7? I know that this relates to EPEL, but maybe someone here can help me out or point me to soemplace/-one who knows. Thx and regards, Shorty signature.asc Description: OpenPGP digital signature