search for: ionics

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2020 Mar 16
6
[Bug 3137] New: -f keeps stdin and stderr open
https://bugzilla.mindrot.org/show_bug.cgi?id=3137 Bug ID: 3137 Summary: -f keeps stdin and stderr open Product: Portable OpenSSH Version: 8.2p1 Hardware: All OS: All Status: NEW Severity: normal Priority: P5 Component: ssh Assignee: unassigned-bugs at mindrot.org
2012 Dec 06
1
ionice...
Hey, anyone has some successful experience with ionice? I tried it with 'idle' (-c 3) parameter. When I did a quick test (find /), it seemed to work with frequent pauses (I guess waiting for idle). But when I used it on my big tar, it made it worse than without... which seems counter-intuitive. Thx, JD
2010 Jul 03
16
ionice
Hi Everyone, I''m experimenting with ionice, and I have to say at first impressions I''m very impressed! Does anyone have any idea how I could script the ionice config? I''m using phy for my DomUs so everything appears in ps as blkback.<DOMID>.xvda1 The problem is, is that the process id for the blkback process will change after every DomU restart,
2009 Jul 09
1
How to use ionice?
Hi, I need to rsync a remote live server to a local backup machine. The local backup machine is starting the rsync on scheduled basis (ie pulling from the remote) and I would like it to reduce the load on the remote live server by using nice/ionice at the far end. I'm connecting to the remote machine with ssh How can I get the remote server to be running it's part of the chain
2011 May 28
1
ionice and blkback
Hi Everyone, When you want to use ionice to limit the amount of disk a DomU has, due to have to run ionice on every blkback process? Incidently, what is the format of the blkback process? I see the following in ps aux: blkback.xx.xvda blkback.xx.xvda1 blkback.xx.xvd where xx appears to be the domain ID. I''m curious as to the last few letters mean? Thanks
2011 Mar 06
0
ionice
Hi Everyone, I''m using phy: to give LVM LVs to my DomUs. I''d like to do some schduling with the disks so that one VM will not lock up the others ones. Does anybody know how to integrate this into the config file? Thanks _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
2012 Feb 06
0
[PATCH] Btrfs-progs: make scrub IO priority configurable
The btrfs tool is changed in order to support command line parameters to configure the IO priority of the scrub tasks. Also the default is changed. The default IO priority for scrub is the idle class now. Some basic performance measurements have been done with the goal to measure which IO priority for scrub gives the best overall disk data throughput. The kernel was configured to use the CFQ IO
2008 Apr 04
2
scripting rsync ssh port issue
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2013 Sep 02
1
heavy IO load when working with sparse files (centos 6.4)
Dear List, We have noticed a variety of reproducible conditions working with sparse files on multiple servers under load with CentOS 6.4. The short story is that processes that read / write sparse files with large "holes" can generate an IO storm. Oddly, this only happens with holes and not with the sections of the files that contain data. We have seen extremely high IO load for
2006 Dec 07
0
答复: Re: [patch 2/2]OCFS2: allow the ocfs2 heartbeat thread to prioritize I/O
hi, Mark: zhen wei zwei@novell.com +86 10 65339225 >>> Mark Fasheh <mark.fasheh@oracle.com> 06?12?08? ?? 8:20 >>> >> +errcode_t o2cb_get_hb_thread_pid (const char *cluster_name, const char *region_name, >> + pid_t *pid) >> +{ >> + char attr_path[PATH_MAX]; >> + char _fake_cluster_name[NAME_MAX]; >> + char attr_value[16]; >> +
2008 Sep 02
3
Control IO related to a process
Is there a way to nice the IO on a process such as dd? If not, what could be a way to control the IO level of such a process from bogging down a server to severely. Thanks, jlc
2010 Jul 08
2
slow down dd - how?
How can I slow down dd? I don't want to slow down the pc, when generating a big file [~40 GByte]. Does ionice work properly? Thank you for any help! :\
2013 Dec 02
0
[PATCH] Btrfs-progs: add option to skip whether a scrub has started/resumed in userspace
I hit a problem that i can not start scrub when i am trying to track superblock generation mismatch problems. The fact is that we are trying to check whether we have started a scrub operation in userspace, this will make us can''t start scrub if that record file is damaged itself. By adding a option to skip that check, everything will be fine. Signed-off-by: Wang Shilong
2018 Aug 14
2
USB disk IO
Hello - frequently I turn on my external USB 3.0 disk and back. While my machine is copying and backing up my desktop becomes very sluggish. Is there a way to change that ? I am using CentOS 7.5 x86 with a very nice processor extra cores available and plenty of memory. There is no reason the "other" cores cannot keep the desktop going. Thanks, Jerry
2010 Nov 05
0
Bug#602494: logcheck runs filters for packages not installed
Package: logcheck Version: 1.3.13 Severity: normal Hi, at present my logcheck is into 33 minutes of cpu time for running the ignore/innd rule, when the innd package is not installed. If running logcheck against only locally created logfiles, there should be a configuration option to only run logcheck against installed (or non-purged) packages. -- System Information: Debian Release: squeeze/sid
2013 Jul 19
0
if i want to delete a million files, can rsync be more faster than rm?
i found two article said that rsync -a --delete empty/ a1/ will much more faster than rm when deleting millions files: http://linuxnote.net/jianingy/en/linux/a-fast-way-to-remove-huge-number-of-files.html http://www.quora.com/File-Systems/How-can-someone-rapidly-delete-400-000-files but my test gets opposite result, and i think it's impossible on theory. i use the command 'for i in
2010 Jul 30
1
Fw: Re: R statical-script for analysis (India)
Nilesh M. Vaghela Research Scholar c/o Prof. N. V. Sastry, Department of Chemistry, Sardar Patel University Vallabhvidyanagar-388 120 Gujarat, India --- On Thu, 29/7/10, Kurt Hornik <Kurt.Hornik@wu.ac.at> wrote: From: Kurt Hornik <Kurt.Hornik@wu.ac.at> Subject: Re: R statical-script for analysis (India) To: "Nilesh Vaghela" <nilesh_spu25@yahoo.in> Cc:
2016 Dec 05
2
How to best I/O performance for Window2008 and MSSQL guest VM
Hi There, I've moved some Windows2012 with MSSQL VMs from an hold ESXi 5.5 machine to a more recent and powerful machine running Fedora 24 x86_64 and related libvirt + KVM virtualization. I've moved the VMs filesystem to LVM slices and installed the VirtIO drivers in to all Windows VMs. I've also set both Disk and Network interface to work using VirtIO. So far so good everything works
2007 Nov 15
5
IO causing major performance issues
Hello everyone. I'm wondering what other people's experiences are WRT systems becoming unresponsive (unable to ssh in, etc) for brief periods of time when a large amount of IO is being performed. It's really starting to cause a problem for us. We're on Dell PowerEdge 1955 blades - but this same issue has caused us problems on PE1950, PE1850, PE1750 servers. We're running
2011 Jun 20
4
lots of disk activity keep process from responding
hi all I have something like 3000 log files in a directory (from data collection). At 4am in the morning cron runs a script of mine that essentiallly trims all files in that directory back to a certain size. Basically does a "tail -c XXXX filename > tmp_filename" I have noticed that only around the 4am-4:15 time frame when the trim is happening does my other process log connection