OK, Bob, (sorry Otto) here's what happens when we hit Y to aptitude's "No packages will be installed, upgraded, or removed. 0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B of archives. After unpacking 0 B will be used. Do you want to continue? [Y/n/?]"
Which is the slowest thing I can recreate today. (It takes 28 seconds to do one big no-op.) $ vmstat -n 2 procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 0 483308 25596 408892 0 0 0 0 46 125 0 1 99 0 1 0 0 478412 25596 408892 0 0 0 0 156 173 23 2 76 0 0 1 0 459580 25608 432576 0 0 0 1854 330 144 42 13 0 45 0 1 0 459340 25616 432576 0 0 0 2406 102 125 0 1 0 99 0 1 0 459216 25620 432576 0 0 0 2280 101 125 1 2 0 98 0 1 0 459092 25624 432576 0 0 0 1992 89 123 1 1 0 98 0 1 0 458720 25624 432576 0 0 0 3234 109 132 0 2 0 98 0 1 0 458720 25624 432576 0 0 0 0 122 263 1 1 0 99 0 1 0 459092 25636 432576 0 0 0 992 94 129 3 1 0 97 0 1 0 459092 25636 432576 0 0 0 264 84 123 1 0 0 99 0 1 0 459092 25636 432576 0 0 0 68 96 224 1 1 0 99 1 0 0 492092 25652 408892 0 0 0 22 316 242 41 5 0 55 1 0 0 483048 25652 408892 0 0 0 0 540 175 97 3 0 0 0 0 0 496516 25652 408892 0 0 0 0 228 134 34 4 63 0 So a lot of bo: Blocks sent to a block device (blocks/s). $ vmstat -s #ASUS EEEPC 702 1026020 K total memory 529528 K used memory 313028 K active memory 190536 K inactive memory 496492 K free memory 25760 K buffer memory 408936 K swap cache 0 K total swap 0 K used swap 0 K free swap 123951 non-nice user cpu ticks 25 nice user cpu ticks 16593 system cpu ticks 252369 idle cpu ticks 38084 IO-wait cpu ticks 0 IRQ cpu ticks 1070 softirq cpu ticks 0 stolen cpu ticks 384961 pages paged in 498636 pages paged out 0 pages swapped in 0 pages swapped out 1314564 interrupts 2673249 CPU context switches 1355119438 boot time 5179 forks P.S., I use APT::Cache::AllVersions false; APT::Clean-Installed false; APT::Get::Purge true; APT::Install-Recommends false; Acquire::PDiffs::FileLimit "1";//671440 don't use diffs if we would need more than 4 diffs Acquire::http::No-Cache true;//564829 Aptitude::CmdLine::Always-Prompt true; Aptitude::CmdLine::Show-Deps true;//587...@bugs.debian.org Aptitude::CmdLine::Show-Why true;//511...@bugs.debian.org Aptitude::Purge-Unused true; DPkg::Options "--force-unsafe-io"; And it seems to make things much better here on my SSD EEEPC 702. Bob, do CC me so I see this faster... _______________________________________________ Aptitude-devel mailing list Aptitude-devel@alioth-lists.debian.net https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/aptitude-devel