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[Xen-users] How to get rid of IO-Bottleneck?
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-users] How to get rid of IO-Bottleneck? |
| From: | Fabian Zimmermann <xen-users@xxxxxxxxxxxxxxxxx> |
| Date: | Fri, 03 Apr 2009 08:30:17 +0200 |
| Delivery-date: | Thu, 02 Apr 2009 23:30:54 -0700 |
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Hi,I'm running a Xen (Debian Lenny / 3.3.1 / 2.6.18.8 / 2x1T SATA RAID1 / 8G RAM)-Server with ~8-12 VMs (LVM based - NOOP shedule). Each VM is running Postgre, Tomcat, Apache. If we do our daily testings, the disk-io-performance is terrible. As far as I understood reads are cached within the VMs, so this should not be the problem. I think the high number of writes is killing the hdd. Is there a way to do something like "async write", or what else could I do to speedup the VMs even if there is a lot of disk-io? Thanks, Fabian _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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