search for: secs

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2007 Jan 11
4
Help understanding some benchmark results
G''day, all, So, I''ve decided to migrate my home server from Linux+swRAID+LVM to Solaris+ZFS, because it seems to hold much better promise for data integrity, which is my primary concern. However, naturally, I decided to do some benchmarks in the process, and I don''t understand why the results are what they are. I though I had a reasonable understanding of ZFS, but now
2009 Sep 08
1
kerberos database principal problem
Hello, I am using kerberos to authenticate apache users. This works fine for one URL, but it doesn't for another. I can get into the application authenticating at the URL omajelut01.sec.jel.lc, but not with monitoring.foobar.com. Here is my klist: [root at omajelut01 etc]# klist -k Keytab name: FILE:/etc/krb5.keytab KVNO Principal ----
2005 Nov 21
5
question about disk performance in domU
Hi all, When I ran the experiments to compare an application''s execution time in both a domU (named cctest1) and a native Linux machine (named ccn10), I noticed the application executes faster in domU. The host of the domU (named ccn9) and ccn10 are two nodes of a cluster and they have same hardware configurations. domU (cctest1) is created by exporting loopback files from dom0 on
2006 Jan 04
3
TC/CBQ shaping problems
Hello everyone, I''m a newbie experimenting with CBQ shaping and am facing a few problems. Can any of you please help? TEST SETUP: +---------------+ +----------------+ | 10.0.0.103 |----------->| 10.0.0.102 | +---------------+ +----------------+ 10.0.0.103: Linux, 100Mbit/s NIC 10.0.0.102: Windows, 100Mbit/s NIC, iperf tcp server (ports 2000 and 2001) WHAT I
2005 Nov 21
0
question about disk performance in domU
Hi all, When I ran the experiments to compare an application''s execution time in both a domU (named cctest1) and a native Linux machine (named ccn10), I noticed the application executes faster in domU. The host of the domU (named ccn9) and ccn10 are two nodes of a cluster and they have same hardware configurations. domU (cctest1) is created by exporting loopback files from dom0 on
2006 Jul 17
11
ZFS bechmarks w/8 disk raid - Quirky results, any thoughts?
Hi All, I''ve just built an 8 disk zfs storage box, and I''m in the testing phase before I put it into production. I''ve run into some unusual results, and I was hoping the community could offer some suggestions. I''ve bascially made the switch to Solaris on the promises of ZFS alone (yes I''m that excited about it!), so naturally I''m looking
2012 Sep 26
2
(new) director issues in 2.1.10
...nd server, just run on one of the directors, which seemed to work as expected. doveadm director add x.x.x.x 0 doveadm director flush x.x.x.x The following errors on the directors that started after this went unnoticed until this AM. director: User bb host lookup failed: Timeout - queued for 30 secs (Ring synced for 36 secs) director: User cc host lookup failed: Timeout - queued for 48 secs (Ring synced for 66 secs, user refreshed 12 secs ago) director: User dd host lookup failed: Timeout - queued for 124 secs (Ring synced for 119 secs, weak user, user refreshed 155 secs ago) director: User...
2008 Mar 04
2
7.0-Release and 3ware 9550SXU w/BBU - horrible write performance
Hi, I've got a new server with a 3ware 9550SXU with the Battery. I am using FreeBSD 7.0-Release (tried both 4BSD and ULE) using AMD64 and the 3ware performance for writes is just plain horrible. Something is obviously wrong but I'm not sure what. I've got a 4 disk RAID 10 array. According to 3dm2 the cache is on. I even tried setting The StorSave preference to
2011 Aug 01
0
dbench strange results
Hi I'm building new samba server (on Debian 6.0, software RAID10 2TB, Xeon CPU). Generally everything is working fine, so I have decided to run some stress tests. My choice was dbench. Old server is Debian 4.0 (samba 3.0.24, Athlon 3000+, one ATA 160GB disk). So run dbench 16 on both old and new server The results are strange old serwer: about 300MB/sek (dbench 3.0) and below are first
2007 Nov 26
4
Filesystem for Maildir
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body bgcolor="#ffffff" text="#000000"> <font size="-1"><font face="Verdana">Hi all,<br> <br> In last year, i had made some research and benchmarks based on CentOS 4 to know which filesystem is better for
2016 Jan 25
2
How to make performance test in samba4
Hi everybody, I have several VMs running on Xenserver 6.5 I have 2 samba servers (1 DC & 1 Fileserver). They are both running Debian Linux 8.2 Jessie. I'm using the samba debian package (4.1.17) My VM has 8G RAM and 4 vCPU How can i test if the performances are quite good or not? with reading/writing Could I have better performance with the latest samba release? thanks Pierre --
2010 May 09
1
Emule Crash every day
I use eMule 0.50a with wine 1.1.43, and crashes every day. I am attaching the log. Code: Xlib: extension "Generic Event Extension" missing on display ":1.0". Xlib: extension "Generic Event Extension" missing on display ":1.0". fixme:actctx:parse_depend_manifests Could not find dependent assembly L"Microsoft.VC90.CRT" (9.0.21022.8) Xlib:
2004 Dec 16
2
Strange command histories in hacked shell server
...s Dec 15 04 19:12:21 1002 m.c -rw------- tugstugi unix /home/tugstugi/.shrc ... Somehow he seems like copied /home/tugstugi/.ssh/known_hosts to home/tsgan/.tmp/known_hosts. I don't know why. Following is lastcomm output: ... sshd -F tugstugi __ 0.16 secs Tue Dec 14 23:01 sh - tugstugi #C:5:0x1 0.03 secs Tue Dec 14 23:02 su - tugstugi #C:5:0x1 0.02 secs Tue Dec 14 23:38 ... sshd -F tugstugi __ 0.08 secs Tue Dec 14 22:41 sh - tugstugi...
2002 Oct 09
0
R 1.6.0 benchmark with and without optimized ATLAS
Hello, I am updating my benchmark (http://www.sciviews.org/other/benchmark.htm) to recent versions of data analysis software (including R 1.6.0 and Splus 6.1), and I now run it on a Pentium IV instead of the old Celeron 500 Mhz that candidates for retirement. I test R under Windows Xp pro with and without optimized BLAS. I use the optimized Rblas.dll for P4 found on CRAN. Here are the results.
2014 Nov 28
1
poor throughput with tinc
Hi, I am testing tinc for a very large scale deployment. I am using tinc-1.1 for testing. test results below are for tinc in switch mode. all other settings are default. test is performed in LAN env. 2 different hosts. I am getting only 24.6 Mbits/sec when tinc is used. without tinc on the same hosts/link I get 95 to 100 Mbits/sec using iperf. Over Tinc: iperf -c 192.168.9.9 -b 100m -l 32k -w
2017 Sep 07
0
investigate & troubleshoot speed bottleneck(s) - how?
hi guys/gals I realize that this question must have been asked before, I sroogled and found some posts on the web on how to tweak/tune gluster, however.. What I hope is that some experts and/or devel could write a bit more, maybe compose a doc on - How to investigate and trouble gluster's speed-performance bottleneck. Why I think such a thorough guide would be important? Well.. I guess
2004 Dec 26
4
R's IO speed
R-devel now has some improved versions of read.table and write.table. For a million-row data frame containing one number, one factor with few levels and one logical column, a 56Mb object. generating it takes 4.5 secs. calling summary() on it takes 2.2 secs. writing it takes 8 secs and an additional 10Mb. saving it in .rda format takes 4 secs. reading it naively takes 28 secs and an additional 240Mb reading it carefully (using nrows, colClasses and comment.char) takes 16 secs and an additional 150Mb (56Mb...
2008 Jun 13
16
Isolation and time
(Moving from offlist discussion.) I''m interested in opinions... Assume there are four single vcpu domains A, B, C, D, running on a 2-CPU physical machine. We wish to test for time skew on domain A. Assuming B, C, and D are all running some workload that attempts to fully saturate the (single) cpu. 1) Should the affect on domain A be essentially the same regardless of what load
2010 May 29
4
ZFS and IBM SDD Vpaths
I have 6 zfs pools and after rebooting init 6 the vpath device path names have changed for some unknown reason. But I can''t detach, remove and reattach to the new device names....ANY HELP! please pjde43m01 - - - - FAULTED - pjde43m02 - - - - FAULTED - pjde43m03 - - - - FAULTED - poas43m01 - - - -
2010 Dec 17
2
how to convert "sloppy data" into a time series?
...thout much luck. I want to know how to create a univariate time series from a set of data that will have huge time gaps in it. For instance, here is a snapshot of a piece of data that I would like to analyze: *Row queued_time processTime 50 2010-06-15 21:50:42.443 6.399989e-02 secs 63 2010-06-15 21:51:57.347 6.300020e-02 secs 156 2010-06-29 14:53:26.073 3.011863e+06 secs 175 2010-07-22 10:14:57.503 4.334879e+06 secs 278 2010-08-05 11:29:56.713 6.155674e+06 secs 509 2010-08-05 11:29:57.443 3.120779e+06 secs 531 2010-08-05 11:29:57.543 3.120779e+06 secs 555 2010-08-05 11:29:57...