From: Rogier Wolff <R.E.Wolff@BitWizard.nl>
To: Naoaki Maeda <maeda.naoaki@jp.fujitsu.com>
Cc: Gerrit Huizenga <gh@us.ibm.com>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, ckrm-tech@lists.sourceforge.net,
Matt Helsley <matthltc@us.ibm.com>
Subject: Re: [ckrm-tech] [patch 25/38] CKRM e18: Add fork rate control to the numtasks controller
Date: Mon, 27 Jun 2005 15:27:05 +0200 [thread overview]
Message-ID: <20050627132704.GA3555@bitwizard.nl> (raw)
In-Reply-To: <42BFA5C6.9040604@jp.fujitsu.com>
On Mon, Jun 27, 2005 at 04:07:50PM +0900, Naoaki Maeda wrote:
> Gerrit Huizenga wrote:>
> +By default, the sys_total_tasks is set to 131072(128k), and forkrate is set
> > +to 1 million and forkrate_interval is set to 3600 seconds. Which means the
> > +total number of tasks in a system is limited to 131072 and the forks are
> > +limited to 1 million per hour.
>
> From the same point of view, the default value of forkrate should be
> no limit. (In addition, 1 million tasks per hour is not an abnormally
> high rate.)
It is quite high. however, in some applications I can immagine that a
machine would indeed trigger a very high fork rate.
For example, a machine that runs lots of shell scripts that call each
other, may all of a sudden be forking the required 300/second....
Roger.
--
** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2600998 **
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next prev parent reply other threads:[~2005-06-27 15:02 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-23 6:15 [patch 00/38] CKRM e18: Updated core patches to 2.6.12 and included e17 changes Gerrit Huizenga
2005-06-23 6:15 ` [patch 01/38] CKRM e18: Core CKRM Event Callbacks Gerrit Huizenga
2005-06-23 6:15 ` [patch 02/38] CKRM e18: Processor Delay Accounting Gerrit Huizenga
2005-06-23 9:16 ` Ingo Molnar
2005-06-23 9:37 ` Ingo Molnar
2005-06-23 17:55 ` [ckrm-tech] " Shailabh Nagar
2005-06-24 7:20 ` Ingo Molnar
2005-06-24 7:32 ` Gerrit Huizenga
2005-06-23 20:44 ` Gerrit Huizenga
2005-06-23 6:15 ` [patch 03/38] CKRM e18: Core infrastructure Gerrit Huizenga
2005-06-23 6:15 ` [patch 04/38] CKRM e18: Resource Control File System (rcfs) Gerrit Huizenga
2005-06-27 7:56 ` [ckrm-tech] " KUROSAWA Takahiro
2005-06-23 6:15 ` [patch 05/38] CKRM e18: Classtype definitions for task class Gerrit Huizenga
2005-06-23 6:15 ` [patch 06/38] CKRM e18: Classtype definitions for socket class Gerrit Huizenga
2005-06-23 6:15 ` [patch 07/38] CKRM e18: Numtasks Controller Gerrit Huizenga
2005-06-28 5:54 ` [ckrm-tech] " Naoaki Maeda
2005-06-23 6:16 ` [patch 08/38] CKRM e18: Documentation Gerrit Huizenga
2005-06-26 21:24 ` Pavel Machek
2005-06-27 18:45 ` Gerrit Huizenga
2005-06-27 20:56 ` Pavel Machek
2005-06-23 6:16 ` [patch 09/38] CKRM e18: Add missing read_unlock Gerrit Huizenga
2005-06-23 6:16 ` [patch 10/38] CKRM e18: Move Callbacks from listenaq to socketclass Gerrit Huizenga
2005-06-23 6:16 ` [patch 11/38] CKRM e18: Change ipaddr_port syntax Gerrit Huizenga
2005-06-23 6:16 ` [patch 12/38] CKRM e18: Check to see if my guarantee is set to DONTCARE Gerrit Huizenga
2005-06-23 6:16 ` [patch 13/38] CKRM e18: Minor cosmetic cleanups in numtasks controller Gerrit Huizenga
2005-06-23 6:16 ` [patch 14/38] CKRM e18: undo removal of check in numtasks_put_ref_local Gerrit Huizenga
2005-06-23 6:16 ` [patch 15/38] CKRM e18: Rule Based Classification Engine, stub rcfs support Gerrit Huizenga
2005-06-23 6:16 ` [patch 16/38] CKRM e18: Rule Based Classification Engine, basic " Gerrit Huizenga
2005-06-23 6:16 ` [patch 17/38] CKRM e18: Rule Based Classification Engine, bitvector support for classification info Gerrit Huizenga
2005-06-23 6:16 ` [patch 18/38] CKRM e18: Rule Based Classification Engine, full CE Gerrit Huizenga
2005-06-23 6:16 ` [patch 19/38] CKRM e18: Rule Based Classification Engine, more advanced classification engine Gerrit Huizenga
2005-06-23 6:16 ` [patch 20/38] CKRM e18: Clean up typo in printk message Gerrit Huizenga
2005-06-23 6:16 ` [patch 21/38] CKRM e18: Fix for compiler warnings Gerrit Huizenga
2005-06-23 6:16 ` [patch 22/38] CKRM e18: Fix share calculation Gerrit Huizenga
2005-06-23 6:16 ` [patch 23/38] CKRM e18: Fix edge cases with empty lists and rule deletion Gerrit Huizenga
2005-06-23 6:16 ` [patch 24/38] CKRM e18: Add numtasks controller config file write support Gerrit Huizenga
2005-06-23 6:16 ` [patch 25/38] CKRM e18: Add fork rate control to the numtasks controller Gerrit Huizenga
2005-06-27 7:07 ` [ckrm-tech] " Naoaki Maeda
2005-06-27 13:27 ` Rogier Wolff [this message]
2005-06-28 14:11 ` Naoaki Maeda
2005-06-27 18:08 ` Gerrit Huizenga
2005-06-28 14:21 ` Naoaki Maeda
2005-06-27 19:05 ` Chandra Seetharaman
2005-06-28 14:11 ` Naoaki Maeda
2005-06-23 6:16 ` [patch 26/38] CKRM e18: Classification Engines - RBCE and CRBCE are mutually exclusive Gerrit Huizenga
2005-06-23 6:16 ` [patch 27/38] CKRM e18: make get_class global Gerrit Huizenga
2005-06-23 6:16 ` [patch 28/38] CKRM e18: Cleanups to CKRM initialization Gerrit Huizenga
2005-06-23 6:16 ` [patch 29/38] CKRM e18: Replace target file interface with a writable members file Gerrit Huizenga
2005-06-23 6:16 ` [patch 30/38] CKRM e18: use sizeof instead of #define for the array size in taskclass Gerrit Huizenga
2005-06-23 6:16 ` [patch 31/38] CKRM e18: Fix a bug in the use of classtype Gerrit Huizenga
2005-06-23 6:16 ` [patch 32/38] CKRM e18: Include taskdelays.h in crbce.h Gerrit Huizenga
2005-06-23 6:16 ` [patch 33/38] CKRM e18: Send timestamps to userspace in msecs instead of jiffies Gerrit Huizenga
2005-06-23 6:16 ` [patch 34/38] CKRM e18: Fix compile warnings and delete dead code Gerrit Huizenga
2005-06-23 6:16 ` [patch 35/38] CKRM e18: Fix a NULL dereference bug Gerrit Huizenga
2005-06-23 6:16 ` [patch 36/38] CKRM e18: Classification Engine Configuration Support cleanup Gerrit Huizenga
2005-06-23 6:16 ` [patch 37/38] CKRM e18: Use sizeof instead of define for the array size in RBCE Gerrit Huizenga
2005-06-23 6:16 ` [patch 38/38] CKRM e18: Delete target file from tc_magic.c Gerrit Huizenga
2005-06-23 6:36 ` [ckrm-tech] [patch 00/38] CKRM e18: Updated core patches to 2.6.12 and included e17 changes Jean-Pierre Dion
2005-06-23 6:43 ` Gerrit Huizenga
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