Hi all About OpenVZ, it uses vzctl command that produces tar/gzip commands. I think we should lower these commands for running other procedures prior to them. This is the patch to achieve it with nice/ionice commands. From ff3cf022995ef541136bd40579af2eeb20aeafdb Mon Sep 17 00:00:00 2001 From: root <root@node13.nvlab.org> Date: Mon, 26 Oct 2009 02:44:43 +0000 Subject: [PATCH] lower priority for running tar and gzip during vzctl create --- src/openvz/openvz_driver.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/src/openvz/openvz_driver.c b/src/openvz/openvz_driver.c index f64ad1e..59d38ae 100644 --- a/src/openvz/openvz_driver.c +++ b/src/openvz/openvz_driver.c @@ -130,6 +130,14 @@ openvzDomainDefineCmd(virConnectPtr conn, } while (0) narg = 0; + + /* lower priority for running tar and gzip */ + ADD_ARG_LIT("nice"); + ADD_ARG_LIT("-n"); + ADD_ARG_LIT("19"); + ADD_ARG_LIT("ionice"); + ADD_ARG_LIT("-c3"); + ADD_ARG_LIT(VZCTL); ADD_ARG_LIT("--quiet"); ADD_ARG_LIT("create"); -- 1.5.3.4 ----- Yuji Nishida nishidy@nict.go.jp