Revision history for Perl extension Schedule::Load The contributors that suggested a given feature are shown in []. * Schedule::Load 3.040 7/19/2006 *** Added slrsh --summary option. *** Added keep_idle_cpus option to reserve some CPUs for other jobs. *** Added reporter load_pctcpu option to counteract low CPU% jobs. When set, Schedule::Load::Host->fixed_load may now return a float. **** Fake Reporters now include information on the originator of the request. * Schedule::Load 3.030 4/13/2006 *** Fix some hosts getting stuck with secondary chooser when primary server goes up, down and up quickly. **** Speed up slchoosed when prioritizing across hundreds of hosts. * Schedule::Load 3.026 3/2/2006 **** Fix fake reporter showing incorrect process runtimes on Linux. * Schedule::Load 3.025 12/12/2005 ** Retry Schedule::Load::Hosts when switching between redundant servers. **** Increase packet size between clients and servers. **** Show slchoosed latencies in "rschedule status". * Schedule::Load 3.024 11/29/2005 **** Fix hardcoded library prefix. [Sergey Skvortsov] **** Fix slchoosed memory leak. * Schedule::Load 3.023 10/18/2005 **** Fix version numbering. [Sergey Skvortsov] * Schedule::Load 3.022 10/13/2005 *** Added host total_size and total_rss memory sizes. [Emil Kesler] **** Added nice information to 'rschedule loads'. * Schedule::Load 3.021 4/27/2005 ** NEWS is now renamed Changes, to support CPAN indexing. [Offer Kaye] *** Added rschedule --allow-reserved and --no-allow-reserved. **** Init.d scripts now create the default rschedule directory. [Win Treese] * Schedule::Load 3.020 10/26/2004 *** Slrsh now requires a "e"xit instead of a ctrl-C to exit. *** Added rschedule --similar option for selecting hosts. *** Added slreportd and choosed rating_mult option. This is useful for derating Intel processors vs. AMD processors. * Schedule::Load 3.010 3/10/2004 ** Support detection of hyperthreaded systems. *** Add physical_cpus host accessor, and show in rschedule hosts report. * Schedule::Load 3.003 1/27/2004 *** Added RSCHLIB make variable so /usr/local/lib/rschedule can be relocated for non-root installations. [Offer Kaye] * Schedule::Load 3.002 9/5/2003 *** Added DELAY column in 'rschedule status' to show number of seconds it is taking for a host to respond to a scheduler request. This aids in debugging problems due to slow networks. * Schedule::Load 3.001 5/21/2003 ** This is a major release to add support for scheduling of multiple resources at the same time, and to add a prioritized list of waiters for each resource. *** The slchoosed process must be restarted to match this package. Slreportd processes are forward and backward compatible. *** Added Schedule::Load::Hold for information on who needs a host. *** Added Schedule::Load::ResourceReq for scheduling multiple requests. *** Added rschedule holds command. *** Added pid tracking of fixed_loads on fake reporters. ** Several interface items have been cleaned up. This may break older programs, contact the author if this causes pain. *** Schedule::Load::Schedule::hosts_of_class is depreciated. Equivelent is hosts_match(classes=>{....}, allow_reserved=>1) *** Night hours is depreciated. The default loading is now the full clump, if you wish to use a smaller percentage, make a local derrived class. Likewise editing of the classes list to add _night suffixes is removed. (This was never consistently applied.) * Schedule::Load 2.104 4/15/2003 *** Added rschedule set_const function. *** Added rschedule status function. **** rloads --kill now takes signal name argument. **** Reserve a machine with a error message if conflicting deamons are running with the same hostname. **** Fix 'rschedule classes' display with class numbers over 1 digit * Schedule::Load 2.102 9/24/2002 *** Added rating_cb to scheduler to allow users to specify algorithm for selecting best rated host for new loads. [James Messrie] **** Fixed FakeReporter runtimes to be correct (host::times) * Schedule::Load 2.100 8/30/2002 *** Rewrite of slpolice to support reservation warnings *** Added match_cb to scheduler to allow users to specify functions to select the appropriate hosts. **** Socket reliability suggestions implemented. * Schedule::Load 2.090 8/1/2002 ** Track local pids with fake reporter, unless track_hosts=0 specified. *** Allow multiple colon separated hostnames with --dhost option. *** Added ping() method for determining if a server is up. *** Changed default of 6 cpus during day to be 20% of clump. This removes all "constant" numbers from the scheduler. *** Added --hosts option to slrsh. **** Fixed unreliable kill(0) to determine process death. * Schedule::Load 1.8 3/18/2002 ** Added fake reporting hosts, for management of non-local hosts. *** Added --parallel option to slrsh *** Added additional host command options to slrsh * Schedule::Load 1.7 12/11/2001 *** Greatly improved chooser reliability when processes talking to it CTRL-C or otherwise go bonkers. * Schedule::Load 1.6 11/28/2001 ** Added slrsh command. ** Added Schedule::Host->idle_host_names and rschedule idle_host_names. *** Hold_keys now allow hold_load, for setting the loading to other then 1. *** Use ssh in place of rsh. **** Allow optional --comment with rschedule reserve command. * Schedule::Load 1.5 2/13/2001 **** Documentation updates. * Schedule::Load 1.4 11/30/2000 ** Added --dhost option to slchoosed Specifing multiple slchoosed hostnames now provides a backup server if the first server goes down. When the first server comes back up, it will reset the backup server and take over processing. *** Fixed bug which would choose always choose a host with one lightly busy cpu over another with higher overall activity but free cpus. * Schedule::Load 1.3 11/03/2000 ** The port number now comes from a lookup of slchoosed in /etc/services else uses 1752 if not found. **** Fixed Linux bug causing high CPU usage (blocking read didn't block). * Schedule::Load 1.2 1/21/2000 **** test.pl improvements: check for free port, use test store directory. * Schedule::Load 1.1 1/17/2000 ** First CPAN Release ---------------------------------------------------------------------- $Id: Changes,v 1.24 2006/07/19 13:54:55 wsnyder Exp $ DESCRIPTION: Documentation on change history for this package ---------------------------------------------------------------------- This uses outline mode in Emacs. See C-h m [M-x describe-mode]. Copyright 2000-2006 by Wilson Snyder. This program is free software; you can redistribute it and/or modify it under the terms of either the GNU General Public License or the Perl Artistic License. Local variables: mode: outline paragraph-separate: "[ \f\n]*$" end: