cured my sluggish 3G iPhone
in [UK Mac]
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From: Ric on 18 Jan 2010 09:35 My 3G's been *really* sluggish of late. It's on 3.1.2, it's jailbroken and it does have a couple of background apps (Scrobbl, for example) running, but I thought I'd see if I could improve things. Found a lot of info about creating a virtual memory swap file - tried this, wouldn't recommend it. You can background a lot of apps and you don't get out-of-ram crashes, but it's slooooow, unsurprisingly. Then I came across some info on deleting unnecessary language packs: http://modmyi.com/forums/general-iphone-chat/678953-list-language-packages-delete-3-0-increased-performance.html What it boils down to is SSH in and run this to backup your existing language pack files: find / -name "*.lproj" -not -iname "en*.lproj" -exec tar rvf /private/ var/stash/langBackup/lproj-backup.tar {} \ and then run this to delete any non-English ones: find . -type d -name "*.lproj" -not -iname "en*.lproj" -not -iname "ja*.lproj" -exec rm -rf {} \; Reboot, turn off SSH (which defaults to ON for recovery purposes and eats some valuable RAM) and yup, it's quicker. No adverse effects so far. Right - next job, turn off unnecessary launch daemons: Using iFile (as my unix-fu is weak) I made a zipped copy of the ones I wanted to remove, then deleted them. I binned these: com.apple.DumpPanic.plist - Dumps crashes for evaluation by Apple. com.apple.ReportCrash.(Different Things).plist - There are 5 of these daemons, and they collect data about what caused a crash, what programs were running at the time, etc. com.apple.DumpBasebandCrash.plist - Dumps baseband crashes, which shouldn't happen during normal use. iPod touch users don't even have a baseband. com.apple.CrashHouseKeeping.plist - Also deals with crashes. com.apple.aslmanager.plist - This daemon manages system logs. com.apple.syslogd.plist - Logs system events. com.apple.powerlog.plist - This is used to monitor any incompatibilities with 3rd party chargers. com.apple.chud.chum.plist - This daemon is thought to relate to Apple's CHUD (Computer Hardware Understanding Developer) tools. Removing this daemon will have no adverse effects on your device, unless you are a developer. com.apple.chud.pilotfish.plist - This daemon is also thought to relate to Apple's CHUD tools. Removing this daemon will have no adverse effects on your device, unless you are a developer. com.apple.datamigrator.plist - Used to transfer contacts from SIM card to phone. iPod touch users can delete this Reboot, turn off SSH again. It's like a new phone, it feels as nippy as a freshly restored one, and this is with kirikae, backgrounder, netatalk and scrobbl all running in the background. Worth a go if you're not afraid of tinkering... Ric
From: Ric on 19 Jan 2010 07:02 On 18 Jan, 14:35, Ric <infobub...(a)gmail.com> wrote: > My 3G's been *really* sluggish of late. It's on 3.1.2, it's > jailbroken and it does have a couple of background apps (Scrobbl, for > example) running, but I thought I'd see if I could improve things. > > Found a lot of info about creating a virtual memory swap file - tried > this, wouldn't recommend it. You can background a lot of apps and you > don't get out-of-ram crashes, but it's slooooow, unsurprisingly. > > Then I came across some info on deleting unnecessary language packs:http://modmyi.com/forums/general-iphone-chat/678953-list-language-pac... > What it boils down to is SSH in and run this to backup your existing > language pack files: > find / -name "*.lproj" -not -iname "en*.lproj" -exec tar rvf /private/ > var/stash/langBackup/lproj-backup.tar {} \ > > and then run this to delete any non-English ones: > find . -type d -name "*.lproj" -not -iname "en*.lproj" -not -iname > "ja*.lproj" -exec rm -rf {} \; > > Reboot, turn off SSH (which defaults to ON for recovery purposes and > eats some valuable RAM) and yup, it's quicker. No adverse effects so > far. > > Right - next job, turn off unnecessary launch daemons: > Using iFile (as my unix-fu is weak) I made a zipped copy of the ones I > wanted to remove, then deleted them. > I binned these: > com.apple.DumpPanic.plist - Dumps crashes for evaluation by Apple. > com.apple.ReportCrash.(Different Things).plist - There are 5 of these > daemons, and they collect data about what caused a crash, what > programs were running at the time, etc. > com.apple.DumpBasebandCrash.plist - Dumps baseband crashes, which > shouldn't happen during normal use. iPod touch users don't even have a > baseband. > com.apple.CrashHouseKeeping.plist - Also deals with crashes. > com.apple.aslmanager.plist - This daemon manages system logs. > com.apple.syslogd.plist - Logs system events. > com.apple.powerlog.plist - This is used to monitor any > incompatibilities with 3rd party chargers. > com.apple.chud.chum.plist - This daemon is thought to relate to > Apple's CHUD (Computer Hardware Understanding Developer) tools. > Removing this daemon will have no adverse effects on your device, > unless you are a developer. > com.apple.chud.pilotfish.plist - This daemon is also thought to relate > to Apple's CHUD tools. Removing this daemon will have no adverse > effects on your device, unless you are a developer. > com.apple.datamigrator.plist - Used to transfer contacts from SIM card > to phone. iPod touch users can delete this > > Reboot, turn off SSH again. It's like a new phone, it feels as nippy > as a freshly restored one, and this is with kirikae, backgrounder, > netatalk and scrobbl all running in the background. > > Worth a go if you're not afraid of tinkering... > Ric ....and after a day of running it like this: blimey. It's quick, and it's not broken anything. Cautiously recommend this to anyone with a sluggish jailbroken phone... Ric
From: zoara on 19 Jan 2010 09:25 Ric <infobubble(a)gmail.com> wrote: > My 3G's been *really* sluggish of late. It's on 3.1.2, it's > jailbroken and it does have a couple of background apps (Scrobbl, for > example) running, but I thought I'd see if I could improve things. Sorry for the thread hijack, but Scrobbl sounds like something I've wanted for so long I've forgotten that I wanted it. It's been a long while since I've scrobbled, so please bear with me. Presumably Scrobbl will solve my problem of playing music on the Mac, forgetting that there are pending scrobbles from music played on my phone (and as Last.fm won't let you scrobble out of order, these tracks are lost). So I can play music on my phone and my Mac and it will all be scrobbled as it's played? What happens if I'm playing (and scrobbling) music on my phone and Mac at the same time? I know that seems like an odd thing to do, but my wife might be playing music at home while I'm playing music at work. What happens if my phone has no data coverage? Are scrobbles queued? As for the rest of your article, I might just give that a go. There's been times when my keyboard freezes for a second or so - not enough to investigate, but enough to notice. Thanks for the suggestions. -zoara- -zoara- -- email: nettid1 at fastmail dot fm
From: Ric on 19 Jan 2010 19:35 On 19 Jan, 14:25, zoara <m...(a)privacy.net> wrote: > Ric <infobub...(a)gmail.com> wrote: > > My 3G's been *really* sluggish of late. It's on 3.1.2, it's > > jailbroken and it does have a couple of background apps (Scrobbl, for > > example) running, but I thought I'd see if I could improve things. > > Sorry for the thread hijack, but Scrobbl sounds like something I've > wanted for so long I've forgotten that I wanted it. > > It's been a long while since I've scrobbled, so please bear with me. > Presumably Scrobbl will solve my problem of playing music on the Mac, > forgetting that there are pending scrobbles from music played on my > phone (and as Last.fm won't let you scrobble out of order, these tracks > are lost). So I can play music on my phone and my Mac and it will all be > scrobbled as it's played? > > What happens if I'm playing (and scrobbling) music on my phone and Mac > at the same time? I know that seems like an odd thing to do, but my wife > might be playing music at home while I'm playing music at work. > > What happens if my phone has no data coverage? Are scrobbles queued? > > As for the rest of your article, I might just give that a go. There's > been times when my keyboard freezes for a second or so - not enough to > investigate, but enough to notice. Thanks for the suggestions. > > -zoara- > > -zoara- > > -- > email: nettid1 at fastmail dot fm Scrobbl scrobbles anything you're playing (well, you can choose to not scrobble podcasts if you wish, but you get the gist), as you're playing it. It queues anything if it can't connect, and scrobbles them when it can, without you having to do anything. You can specify if it scrobbles over wifi only, or over 3g/gsm. It's fairly great. When you sync your iPhone, if you've got last.fm installed then it may double-scrobble them I guess.
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