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Performance issue
by Carlos Henrique Reimer 09 Feb '13

09 Feb '13

Hi, I suspect a CPU bottleneck in one of our PostgreSQL servers but not sure how to confirm the suspect. It's a DELL Box running CentOS 5.4 with 64GB RAM and 16 XEON E7430 2.13 GHz processors. vmstat r column "run queue" usually indicates values higher than 2 and less than 5 but "Load Average" values from top, sar -q and other commands show always values less than 1. Should not these values be higher than 16 on a box with 16 processors to confirm a CPU constraint? Thank you in advance! -- Reimer 47-3347-1724 47-9183-0547 msn: carlos.reimer(a)opendb.com.br

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Is CentOS-6.3-x86_64-netinstall.iso broken?
by George R Goffe 09 Feb '13

09 Feb '13

Hi, I'm probably doing something wrong or misunderstanding how this is supposed to work. I have written this ".iso" image to a DVD and booted from it. I then selected the first install option from the menu. I get some prompts and then I'm asked to specify where the media is. I assumed (there's that word) that I should just hit enter, thereby selecting the "from DVD" option. I got a message about not being able to find the install materials? Is this what the install process is looking for? Shouldn't it be looking in the network? Can anyone see what I'm doing wrong? Thanks, George...

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rpmbuild for different architecture [OT?]
by Steve 09 Feb '13

09 Feb '13

As far as I can tell, the rpm-list went defunct circa 2008 so I'm asking here. No doubt someone will let me know if this is not OK. I'm trying to build an RPM on a CentOS VM targeted to run on an ARM architecture machine. I have a test program, prime, that I cross compiled on my VM and when I copy it onto my target machine it runs correctly. Now I want to package it in an RPM. On my target machine, I run $ uname -m armv71 so on the VM I wrote my spec file and ran $ rpmbuild -ba --target armv71 prime.spec ... processing files: prime-1.0-1.armv71 unknown, 0: Warning using regular magic file '/etc/magic' Requires(rpmlib): rpmlib(payloadFilesHavePrefix) <= 4.0-1 rpmlib(CompressedFileNames) <= 3.0.4-1 ... Wrote /home/steve/rpmbuild/RPMS/armv71/prime-1.0-1.armv71.rpm ... So it seems that some parts of rpm realize that I've cross compiled and some parts don't. Any ideas on how to get rid of these warning messages? I tried putting 'Autoreq: 0' in the spec file but that didn't help. A second problem is that when I go to install the rpm on the target machine, I get an error saying that the architecture doesn't match. I had to use --ignorarch to get it to install. What does rpm use to determine what the architecture is if not uname? With the --ignorearch option, the RPM installs and the program runs as expected. Thanks, Steve

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CentOS-announce Digest, Vol 96, Issue 5
by centos-announce-request＠centos.org 09 Feb '13

09 Feb '13

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2013:0246 Important CentOS 5 java-1.6.0-openjdk Update (Johnny Hughes) 2. CESA-2013:0247 Important CentOS 5 java-1.7.0-openjdk Update (Johnny Hughes) 3. CESA-2013:0245 Critical CentOS 6 java-1.6.0-openjdk Update (Johnny Hughes) 4. CESA-2013:0247 Important CentOS 6 java-1.7.0-openjdk Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Fri, 8 Feb 2013 22:39:51 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:0246 Important CentOS 5 java-1.6.0-openjdk Update To: centos-announce(a)centos.org Message-ID: <20130208223951.GA29856(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:0246 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-0246.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: babcd50bcff6dcaaaca6b0d95f185f9b0a71a70ad1dbab85ad5eee315bab6882 java-1.6.0-openjdk-1.6.0.0-1.33.1.11.6.el5_9.i386.rpm d104f1c4e7b1cf6ed3b8c689f8077f15b39d2b3ba9998ddf3ca916093f3e116c java-1.6.0-openjdk-demo-1.6.0.0-1.33.1.11.6.el5_9.i386.rpm 33f4bf92d0f552c73c563740fad0bdde03dada6262dbb6e0d66da3e01bf338c9 java-1.6.0-openjdk-devel-1.6.0.0-1.33.1.11.6.el5_9.i386.rpm d8c4635caef98c9b213d1674943218364e93dd4212d9034936e2aebcba52df14 java-1.6.0-openjdk-javadoc-1.6.0.0-1.33.1.11.6.el5_9.i386.rpm d1fc981e0643e5893c2ee679ef1785127fb7b7bd1bf6e91b23e45d26d52aabeb java-1.6.0-openjdk-src-1.6.0.0-1.33.1.11.6.el5_9.i386.rpm x86_64: 83954c4acea2842bd513a7f203d6f6fb0e081ab692ac8b5550f2971897487f40 java-1.6.0-openjdk-1.6.0.0-1.33.1.11.6.el5_9.x86_64.rpm c68764f76840f236478fe9f7b02089e7835c40875874ec5cbafeb6e9f4d69214 java-1.6.0-openjdk-demo-1.6.0.0-1.33.1.11.6.el5_9.x86_64.rpm f8518b52d7603dbf2a6d59c0c9851a7d9d13abdb2be6c5f8a955f04a9f65e457 java-1.6.0-openjdk-devel-1.6.0.0-1.33.1.11.6.el5_9.x86_64.rpm 3607d4483bd665d5d6efdfd2c9d820aeaa2a466986ab83c92f4d946fc3e45902 java-1.6.0-openjdk-javadoc-1.6.0.0-1.33.1.11.6.el5_9.x86_64.rpm b25f13dd6db2bc3fcb43440a416f38c7b92472da0c86b653f6097e2b82915ff2 java-1.6.0-openjdk-src-1.6.0.0-1.33.1.11.6.el5_9.x86_64.rpm Source: abfc166231f395fc277c43f114225be09fd95c2fbf3093856f32cba11d44db6e java-1.6.0-openjdk-1.6.0.0-1.33.1.11.6.el5_9.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Sat, 9 Feb 2013 00:57:50 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:0247 Important CentOS 5 java-1.7.0-openjdk Update To: centos-announce(a)centos.org Message-ID: <20130209005750.GA3818(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:0247 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-0247.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: d18e7b234642debacdd00f614388ee994edf787e72ee6b20992ef2fd97de8d8a java-1.7.0-openjdk-1.7.0.9-2.3.5.3.el5_9.i386.rpm 06a096ef637984d059975dded1dd1793752185a76c7d5b41570262db99939066 java-1.7.0-openjdk-demo-1.7.0.9-2.3.5.3.el5_9.i386.rpm ab8ab35ec9288cc7857fe95a7f3deaa9f4fdf31a5e4d3db0c896914b1186b5d8 java-1.7.0-openjdk-devel-1.7.0.9-2.3.5.3.el5_9.i386.rpm 1fb1128a00bb809346b47c6ee3c24ee96ee28aaeb55ed87f87e47ceb8336162d java-1.7.0-openjdk-javadoc-1.7.0.9-2.3.5.3.el5_9.i386.rpm 634b290677b5e1d38c615921f34b73e1e5b477b782b9aed848f53d2e8e1e84a1 java-1.7.0-openjdk-src-1.7.0.9-2.3.5.3.el5_9.i386.rpm x86_64: 4810e62bb55869df7cc6dec6022d643721770c4bf0c2d3af6b06295392fb7767 java-1.7.0-openjdk-1.7.0.9-2.3.5.3.el5_9.x86_64.rpm 00e9ef248ec2f1ff645740a0c8a6a9765e88e79a5bee4cf5c049af5dd5708a28 java-1.7.0-openjdk-demo-1.7.0.9-2.3.5.3.el5_9.x86_64.rpm 2d11a14ee4031331055e8c3e9a6cf555f50be98c1a851fcf8255f6059665153f java-1.7.0-openjdk-devel-1.7.0.9-2.3.5.3.el5_9.x86_64.rpm b82442dbf531afe64541bd67c58c93796e72cca890b94bc0005361efb0533c86 java-1.7.0-openjdk-javadoc-1.7.0.9-2.3.5.3.el5_9.x86_64.rpm 989dba8934c84986aad01d732851521c1e877f3d3ba6f1c21a911333c417dce5 java-1.7.0-openjdk-src-1.7.0.9-2.3.5.3.el5_9.x86_64.rpm Source: 7ec08df8a5d42c5fb6a8154a169e0d49d4d5217f9a83ac3015e50220649154c1 java-1.7.0-openjdk-1.7.0.9-2.3.5.3.el5_9.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Sat, 9 Feb 2013 11:03:54 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:0245 Critical CentOS 6 java-1.6.0-openjdk Update To: centos-announce(a)centos.org Message-ID: <20130209110354.GA1845(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:0245 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-0245.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 45f5be6d622ec6b61bc364bc41292cce3c039ce9a2f256547799549511b62b57 java-1.6.0-openjdk-1.6.0.0-1.54.1.11.6.el6_3.i686.rpm 673886fe410590d3fea0fc0bf737e270a7bc82618eb60afe5ef3a57c94ebe9ce java-1.6.0-openjdk-demo-1.6.0.0-1.54.1.11.6.el6_3.i686.rpm fd72d47ffc63a5e2d6d94c2f2dd26aac1347afd0a870ebd9981ed53913f18b78 java-1.6.0-openjdk-devel-1.6.0.0-1.54.1.11.6.el6_3.i686.rpm 4ac08deba71feb47af816827df483325008297430202ef0354c5a836072aba09 java-1.6.0-openjdk-javadoc-1.6.0.0-1.54.1.11.6.el6_3.i686.rpm 9897d66b2513933e274ae1b3ff8ab317fdb9d5ecab15d8a530c5f473d052ccd3 java-1.6.0-openjdk-src-1.6.0.0-1.54.1.11.6.el6_3.i686.rpm x86_64: 60ea2a97670f0a81bdbc9da0af472dc0da9759f52f822cfcf29d4fae3d83d6e6 java-1.6.0-openjdk-1.6.0.0-1.54.1.11.6.el6_3.x86_64.rpm 7feb530c1062d18ad241873deffe55b82d29c92fe396fe88fb58078234ebc5c4 java-1.6.0-openjdk-demo-1.6.0.0-1.54.1.11.6.el6_3.x86_64.rpm e9ccd584414cf8a8fa16cd94ea7ba8de0fbb380757836b65622cddf5a90b4f21 java-1.6.0-openjdk-devel-1.6.0.0-1.54.1.11.6.el6_3.x86_64.rpm f683052212ccfca6d58456da91791a5cf29e5b6efeab7e44aca2910839d29c9f java-1.6.0-openjdk-javadoc-1.6.0.0-1.54.1.11.6.el6_3.x86_64.rpm 02b483d0a7ee0fdec4d17cdf32c3258b166a9adc0bb836d74394844eb013473c java-1.6.0-openjdk-src-1.6.0.0-1.54.1.11.6.el6_3.x86_64.rpm Source: e1182ab4c56913c637272df5e8b2a88a11a1dc52756ee79f3f6ac533934001bd java-1.6.0-openjdk-1.6.0.0-1.54.1.11.6.el6_3.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Sat, 9 Feb 2013 11:04:30 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:0247 Important CentOS 6 java-1.7.0-openjdk Update To: centos-announce(a)centos.org Message-ID: <20130209110430.GA1978(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:0247 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-0247.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 4715458dd4385fb5d8da3600f8464016bfe848b6abae4577fa6b08358e8805cd java-1.7.0-openjdk-1.7.0.9-2.3.5.3.el6_3.i686.rpm d979db5f43a05713cdd0d561d65c201b8056dc1ba44fd4873254815d519878e5 java-1.7.0-openjdk-demo-1.7.0.9-2.3.5.3.el6_3.i686.rpm 48d60746be18dacaa2208733463571b2616232c26cefbd62a7647d5039c86e8c java-1.7.0-openjdk-devel-1.7.0.9-2.3.5.3.el6_3.i686.rpm 13f820cfb71e0151b0a4127c521d4ccd02ca64a8745ca5fdb51158703099bfab java-1.7.0-openjdk-javadoc-1.7.0.9-2.3.5.3.el6_3.noarch.rpm 143355b3dd2f4292dd2f59d848af6beb739c44b0bf1853ec35e230af4e14d256 java-1.7.0-openjdk-src-1.7.0.9-2.3.5.3.el6_3.i686.rpm x86_64: 24aa9aaf31587f2a337c9fe08a658d62c89edd9665b8634d4d3409728baa6cbd java-1.7.0-openjdk-1.7.0.9-2.3.5.3.el6_3.x86_64.rpm ba5ce064d55f850f94c880e2ec69d327d196a9838af3bd5879c754fe4ee11f9f java-1.7.0-openjdk-demo-1.7.0.9-2.3.5.3.el6_3.x86_64.rpm 3a0771783339392ad0c39551487d541924818ca91e1852a47288fdd39991d8c5 java-1.7.0-openjdk-devel-1.7.0.9-2.3.5.3.el6_3.x86_64.rpm 13f820cfb71e0151b0a4127c521d4ccd02ca64a8745ca5fdb51158703099bfab java-1.7.0-openjdk-javadoc-1.7.0.9-2.3.5.3.el6_3.noarch.rpm 1c681e50ed09562d6b391b8ff87b8505ba9ecddd424a3783b3d4b3b440eca976 java-1.7.0-openjdk-src-1.7.0.9-2.3.5.3.el6_3.x86_64.rpm Source: 85ecc35685513ffef3dc51a112a573825e29f4d5a459fe8e244f6b737bc5c689 java-1.7.0-openjdk-1.7.0.9-2.3.5.3.el6_3.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 96, Issue 5 **********************************************

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Virtualisation, guests cached memory and density
by Nux! 09 Feb '13

09 Feb '13

Hello, We all know linux distros will use most of the free memory available for caching stuff, I/O buffers etc (hence sites like linuxatemyram.com) In many virt scenarios we have some sort of memory deduplication mechanisms, such as KSM on KVM (don't know how it's called in Vmware). My situation is one where I need to cram up as many virtual machines as I can on a single hypervisor and I believe KSM does not work for the memory used as cache/buffers. How could I work around this? Any other pointers for achieving higher density welcome (don't suggest container technology please). -- Sent from the Delta quadrant using Borg technology! Nux! www.nux.ro

2 1

Re: [CentOS] OT - odd behavior of Cisco switch
by m.roth＠5-cent.us 08 Feb '13

08 Feb '13

I know y'all have been waiting with baited breath to hear the latest: the group that handles it has agreed that one of the pair is bad. My manager tells me that depending on when they look at it, they get anomalous results, such as an increment-only timer going *down*. They have a case opened with Cisco. mark

1 0

Re: [CentOS] Pulseaudio pauses when switching virtual terminal?
by James Pearson 08 Feb '13

08 Feb '13

Reindl Harald wrote: > > Am 08.02.2013 17:20, schrieb James Pearson: > >>When using CentOS6/Gnome any audio playback will pause if I switch to >>other virtual terminals - and resume when I switch back to X >> >>Does anyone know if it is possible to configure pulseaudio (or some >>other means?) to allow audio to continue playing when switching virtual >>terminals? > > > system-wide is what you need for google > > pulse 1082 0.6 0.0 525320 13256 ? S<l Feb05 26:55 /usr/bin/pulseaudio --daemonize=true --system=true > --log-level=0 --log-target=stderr --disallow-module-loading=true --disallow-exit=true --exit-idle-time=0 > --disable-shm=true --no-cpu-limit=false --use-pid-file=false --resample-method=src-sinc-best-quality Thanks - however, google brings me to <http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/What…> which seems to suggest that it is not a good idea ... do you know if there is a way to do what I would like - but not using system-wide ? Thanks James Pearson

1 0

Pulseaudio pauses when switching virtual terminal?
by James Pearson 08 Feb '13

08 Feb '13

When using CentOS6/Gnome any audio playback will pause if I switch to other virtual terminals - and resume when I switch back to X Does anyone know if it is possible to configure pulseaudio (or some other means?) to allow audio to continue playing when switching virtual terminals? Thanks James Pearson

1 0

CentOS-announce Digest, Vol 96, Issue 4
by centos-announce-request＠centos.org 08 Feb '13

08 Feb '13

1 0

OT - odd behavior of Cisco switch
by m.roth＠5-cent.us 07 Feb '13

07 Feb '13

Ww just had our switch replaced with a pair of 3750G's, old and new all have 48 ports, so we now have some open ports.... Anyway, my manager was looking at issues yesterday, and discovered that for a while, off and on, from several systems on the new switches, he could see traffic between *other* servers and systems elsewhere in the building... which, of course, shouldn't be possible with a switch. He tells me that some switches, if they were overwhelmed with traffic, would give up and go into hub mode, but he's under the impression that was written out of the firmware years ago, while these are new switches. Anyone run into this? mark

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