Óñòàíîâêà è íàñòðîéêà torrent íà RT-N16 (2.6)

**elite128** · 16-04-2011, 20:51

òàê êàêèå îïòèìàëüíûå íàñòðîéêè äëÿ rtorrentà? íà 500 íå ïàäàë ïðàêòè÷åñêè, òóò ïîñòàâèë 2 áîëüøèå çàêà÷êè ïî 110 ãèã - îòâàëèâàåòñÿ ïðàêòè÷åñêè ïîñòîÿííî, ïåðåèíäåêñèðóåò, ÷óòü äîêà÷èâàåò è ñíîâà ïàäàåò

**dansoftware** · 18-04-2011, 09:32

Íà ASUS RT-N16 óñòàíîâëåí rTorrent 0.8.6/0.12.6. Â÷åðà îáíîâèë ïðîøèâêó ñ 1.9.2.7-rtn-r2455 äî 1.9.2.7-rtn-r2775. Ðàçîãíàë ïðîöåññîð ñ 480 MHz äî 533 MHz, êîðîáêà îñíàùåíà âåíòèëÿòîðîì êàê ïðåäëîæåíî çäåñü: http://wl500g.info/showpost.php?p=217871&postcount=68 Íà îùóïü ðîóòåð ñíàðóæè ïðîõëàäíûé, âíóòðè ïðîâåðèòü íå ìîãó, ñòîÿò ãàðàíòèéíûå ïëîìáû.

Ñåãîäíÿ óòðîì îáíàðóæèë, ÷òî rTorrent íå ðàáîòàåò, à â ëîãàõ âîò ýòî:

Code:

CPU 0 Unable to handle kernel paging request at virtual address 08040704, epc == 08040705, ra == 08040705
Oops[#1]:
Cpu 0
$ 0   : 00000000 005b4184 00000001 00000001
$ 4   : 005b4184 84f47e68 00000000 00000001
$ 8   : 00000000 005b4184 00000000 00000000
$12   : 7fecb8b8 000000d9 005b4058 00000000
$16   : 005b40e0 7fecb908 84f47f00 7fecb918
$20   : 10624dd3 00584fe8 00584fe0 00584fec
$24   : 00000000 802036e0
$28   : 84f46000 84f47ee8 7fecb97c 08040705
Hi    : 00004bc7
Lo    : ced958d6
epc   : 08040705 0x8040704     Tainted: P
ra    : 08040705 0x8040704
Status: 1100bc03    KERNEL EXL IE
Cause : 00000008
BadVA : 08040704
PrId  : 00019740
Modules linked in: xt_IMQ imq ntfs usb_storage sd_mod scsi_mod usblp ohci_hcd ehci_hcd usbcore xt_recent nf_nat_ftp nf_conntrack_ftp wl(P) et(P) igs(P) emf(P)
Process rtorrent (pid: 626, threadinfo=84f46000, task=863f1c00)
Stack : 84f47f18 00000000 005b4038 00584fd0 84f47f00 00584fe0 0000012f 00000000
00000000 00049c2b 00000000 00d493c0 00049c2b 00000000 000000d8 005b4038
00584fd0 80003204 00000005 00549b3c 00000006 00000000 7fecb908 00000010
00000000 00856189 0000102e 00000000 000000d9 005b4058 005b40e0 005b4168
074895a7 0004a12c 000f4240 00000000 0004a12c 074895a7 005b4058 00000000
...
Call Trace:
[<80003204>] stack_done+0x20/0x40


Code: (Bad address in epc)

Òàêèì îáðàçîì rTorrent îòðàáîòàë îêîëî 12 ÷àñîâ, ïîñëå ÷åãî ñëó÷èëñÿ êðàø. Íà ñòàðîé ïðîøèâêå îí ðàáîòàë ñòàáèëüíî íåäåëÿìè, íè÷åãî ïîäîáíîãî íå áûëî. Âûâîä top:

Code:

top - 12:31:49 up 17:03,  4 users,  load average: 0.43, 0.50, 0.53
Tasks:  58 total,   1 running,  57 sleeping,   0 stopped,   0 zombie
Cpu(s):  2.6%us,  2.3%sy,  0.0%ni, 91.5%id,  1.3%wa,  0.0%hi,  2.3%si,  0.0%st
Mem:    126720k total,   104008k used,    22712k free,     1232k buffers
Swap:   250036k total,      748k used,   249288k free,    61516k cached

Íàñòðîéêè ïàìÿòè è ñâîïà:

Code:

 $ cat /proc/sys/vm/swappiness
60
$ cat /proc/sys/vm/min_free_kbytes
16384

×òî ïîðåêîìåíäóåòå? Ñìåíèòü ïðîøèâêó? Åñëè äà, òî íà êàêóþ âåðñèþ? Óáðàòü ðàçãîí?

**Novik** · 18-04-2011, 10:36

Originally Posted by dansoftware

×òî ïîðåêîìåíäóåòå? Ñìåíèòü ïðîøèâêó? Åñëè äà, òî íà êàêóþ âåðñèþ? Óáðàòü ðàçãîí?

Ýòî íåõâàòêà RAM äëÿ âûïîëíåíèÿ âûçîâà mmap.
Ïîñìîòðåòü íà çàíèìàåìóþ rTorrent-îì ïàìÿòü â äèíàìèêå. Åñëè âûÿñíèòñÿ, ÷òî îòüåäàåò ñëèøêîì ìíîãî - óìåíüøèòü â ôàéëå êîíôèãóðàöèè áóôåðà receive_buffer_size è send_buffer_size äî 4Ê.
Ñîáñòâåííî, âîçìîæíû è äðóãèå òàíöû ñ áóáíîì ïî îïòèìèçàöèè òðåáóåìîé ïàìÿòè, íî ýòîò íà RT-N16 IMHO íàèáîëåå äåéñòâåíåí.

**dansoftware** · 22-04-2011, 18:20

Originally Posted by Novik

Ïîñìîòðåòü íà çàíèìàåìóþ rTorrent-îì ïàìÿòü â äèíàìèêå. Åñëè âûÿñíèòñÿ, ÷òî îòüåäàåò ñëèøêîì ìíîãî - óìåíüøèòü â ôàéëå êîíôèãóðàöèè áóôåðà receive_buffer_size è send_buffer_size äî 4Ê.

Ñïàñèáî. Óìåíüøèë, ïîêà ïðîáëåìà íå ïîâòîðÿëàñü.

**dansoftware** · 07-07-2011, 07:12

Ñìåíèë ïðîâàéäåðà, ñêîðîñòü êàíàëà ïîäðîñëà ñ 1-2 Ìáèò/ñ äî 3,5-7 Ìáèò/ñ, èíêàïñóëÿöèÿ ñìåíèëàñü ñ PPPoE íà L2TP. Ïîñëå ÷åãî rTorrent îïÿòü óìåð ñ îïèñàííûìè âûøå ñèìïòîìàìè. Ïîñìîòðåë ãðàôèêè RRDtool è îáíàðóæèë, ÷òî çà íî÷ü ïîòðåáëåíèå ïàìÿòè ïîä ñèñòåìíûé êýø "buffers" âûðîñëî äî ~13 Ìáàéò, à äî ýòîãî íå âûðàñòàë áîëüøå ~3 Ìáàéò. Â ñâÿçè ñ ýòèì ïîäêðóòèë íàñòðîéêè ÿäðà:

Code:

echo 40 > /proc/sys/vm/swappiness
echo 200 > /proc/sys/vm/vfs_cache_pressure

Ïîñëå ýòîãî rTorrent ïîêà íå óìèðàë è "buffers" íå ðàñòåò.

**TReX** · 12-07-2011, 12:47

Originally Posted by Naps

Ñåé÷àñ ó ìåíÿ ñêîðîñòü ïî òàðèôó 12 ìáèò, õî÷ó ïåðåéòè íà òàðèô 50 ìáèò, âîïðîñ à ïîòÿíåò ëè ðîóòåð òàêóþ ñêîðîñòü, èëè âìåñòî íåãî óæå ñòîèò ïîñòàâèòü ñåðâàê?

Íå ïîòÿíåò, òàê æå êàê è N16, äëÿ êîòîðîãî ïîòîëîê 25+25 ìåãàáèò

**theMIROn** · 12-07-2011, 14:43

Originally Posted by TReX

Íå ïîòÿíåò, òàê æå êàê è N16, äëÿ êîòîðîãî ïîòîëîê 25+25 ìåãàáèò

?????????? âñìûñëå?

**TReX** · 12-07-2011, 15:42

Originally Posted by theMIROn

?????????? âñìûñëå?

êàê ïîêàçàëî òåñòèðîâàíèå â êîðáèíå ïðè ñîåäèíåíèè L2TP, íàãðóçêà òîððåíòàìè ñ âêëþ÷åííûì UDP, ðîóòåð RT-N16 íà ñêîðîñòè 30+30 óæå íà÷èíàåò çàõëåáûâàòüñÿ, çàãðóçêà ïðîöåññîðà 100% è ñêà÷åò ñêîðîñòü, åñëè âûêëþ÷èòü UDP, òî 30+30 îí åùå ïåðåæåâûâàåò, íî íà ïðåäåëå...

Ýòî äëÿ ïðèìåðà çàãðóçêà òîððåíòàìè ñ âëþ÷åííûì UDP, îãðàíè÷åíèÿ ïî ñêîðîñòè 30/15 ìåãàáèò...

À íà ýòîì ãðàôèêå ëèìèòû ïîâûøåííû äî 30/30, áàéòîðàçäèðàþùåå çðåëèùå )

**theMIROn** · 12-07-2011, 16:01

Originally Posted by TReX

êàê ïîêàçàëî òåñòèðîâàíèå â êîðáèíå ïðè ñîåäèíåíèè L2TP, íàãðóçêà òîððåíòàìè ñ âêëþ÷åííûì UDP, ðîóòåð RT-N16 íà ñêîðîñòè 30+30 óæå íà÷èíàåò çàõëåáûâàòüñÿ, çàãðóçêà ïðîöåññîðà 100% è ñêà÷åò ñêîðîñòü, åñëè âûêëþ÷èòü UDP, òî 30+30 îí åùå ïåðåæåâûâàåò, íî íà ïðåäåëå...
Ýòî äëÿ ïðèìåðà çàãðóçêà òîððåíòàìè ñ âëþ÷åííûì UDP, îãðàíè÷åíèÿ ïî ñêîðîñòè 30/15 ìåãàáèò...

òàê ýòî òåñò øåéïåðîâ êîðáèíû èëè âñå òàêè ìàðøðóòèçàöèè ðîóòåðà?

**TReX** · 12-07-2011, 16:14

Originally Posted by theMIROn

òàê ýòî òåñò øåéïåðîâ êîðáèíû èëè âñå òàêè ìàðøðóòèçàöèè ðîóòåðà?

Íå ìàðøðóòèçàöèè, îíà ó ðîóòåðà çíà÷èòåëüíî áûñòðåå, à èìåííî ðàáîòû ÷åðåç L2TP

È äàáû çàêðûòü òåìó øåéïåðà - òîò æå ðîóòåð, ëèìèòû 30/30 UDP çàïðåøåí!

Ïðîöåññîð çà ñ÷åò îòñóòñòâèÿ ìåëî÷è ÓÄÏøíîé íå ïåðåãðóæåí, êðàñèâûé ãðàôèê )

P.S. Ýõ æàëêî íåò ãðàôèêà èëè õîòÿ áû öèôðîâîãî çíà÷åíèÿ pps (

**theMIROn** · 12-07-2011, 16:44

Originally Posted by TReX

Íå ìàðøðóòèçàöèè, îíà ó ðîóòåðà çíà÷èòåëüíî áûñòðåå, à èìåííî ðàáîòû ÷åðåç L2TP
...
P.S. Ýõ æàëêî íåò ãðàôèêà èëè õîòÿ áû öèôðîâîãî çíà÷åíèÿ pps (

âîò êîãäà áóäåò òîãäà ïîãîâîðèì î áîëåå àäåêâàòíûõ ñïîñîáàõ èçìåðåíèÿ ìàêñèìàëüíûõ çíà÷åíèé ïðîïóñêíîé ñïîñîáíîñòè.
à ïîêà, ýòè öèôðû - íè î ÷åì íå ãîâîðÿò, åùå è ïî wifi íàâåðíîå? áåç îáèä

**TReX** · 12-07-2011, 17:07

Originally Posted by theMIROn

âîò êîãäà áóäåò òîãäà ïîãîâîðèì î áîëåå àäåêâàòíûõ ñïîñîáàõ èçìåðåíèÿ ìàêñèìàëüíûõ çíà÷åíèé ïðîïóñêíîé ñïîñîáíîñòè.
à ïîêà, ýòè öèôðû - íè î ÷åì íå ãîâîðÿò, åùå è ïî wifi íàâåðíîå? áåç îáèä

Ñêàæåì òàê, òî ÷òî ÿ ïðèâåë ýòî çíà÷åíèÿ ïðè èñïîëüçîâàíèè uTorrent ÷åðåç L2TP áèëàéíà, áåç îïòèìèçàöèè îíîãî uTorrent'a, ìîæíî òàì íàïðèìåð ïîâûñèòü ðàçìåð ïàêåòà UDP, ÷òî ñíèçèò íàãðóçêó èëè îòìåíèòü äèíàìè÷åñêîå óìåíüøåíèå ðàìåðà UDP, íî áûëî èíòåðåñíî èìåííî íà ðåêîìåíäîâàíûõ àâòîðàìè çíà÷åíèÿõ êàê è èñïîëüçóþò áîëüøèíñòâî õîìÿ÷êîâ )

))))))))))))))) ñåðâåð ïî wi-fi??? ß ìîæåò â ÷åì òî è ïàíê, íî íå íà ñòîëüêî, ãèãàáèòíàÿ ëîêàëêà íà 3COM â ñåðâåðå èíòåëîâñêàÿ 1000PT

À êñòàòè íåëüçÿ ëè äåéñòâèòåëüíî îòêóäà-íèáóäü âûòàñêèâàòü çíà÷åíèå pps? Ïóñòü â êîìàíäíîé ñòðîêå...

**TReX** · 12-07-2011, 17:49

Originally Posted by theMIROn

òîëüêî ÷òî ïðîòåñòèðîâàë n16 r3145 l2tp iperf-îì â 8 ïîòîêîâ
ñèìïëåêñ: 128/88Mbps
äóïëåêñ: 84/28Mbps

p.s â åêò â êîðáèíå âîò òàêîå åñòü, íå çíàþ êàê òàì â ìñê http://speedtest.ur.ru/

èìåííî, 8 ïîòîêîâ, òîððåíò äëÿ òàêîãî êàíàëà ðåêîìåíäóåò ìàêñèìàëüíîå ÷èñëî ñîåäèíåíèé 800 ) îòñþäà è ðàçíèöà â ñêîðîñòè ) ÷óòü ïîïîçæå ïîïðîáóþ ipfer

**theMIROn** · 12-07-2011, 19:23

Originally Posted by TReX

èìåííî, 8 ïîòîêîâ, òîððåíò äëÿ òàêîãî êàíàëà ðåêîìåíäóåò ìàêñèìàëüíîå ÷èñëî ñîåäèíåíèé 800 ) îòñþäà è ðàçíèöà â ñêîðîñòè ) ÷óòü ïîïîçæå ïîïðîáóþ ipfer

äà êàêàÿ ðàçíèöà ñêîëüêî ïîòîêîâ (òóò ìîæåò óïåðåòüñÿ â êîíòðàê è ïàìÿòü), ìàêñèìàëüíûé pps áóäåò îäèí.
ðàçìåð ïàêåòîâ èìååò çíà÷åíèå, êîíå÷íî

**dansoftware** · 29-08-2011, 13:17

Ñìåíèë ïðîâàéäåðà, êàíàë ñòàëè øèðå, èíêàïñóëÿöèÿ èçìåíèëàñü ñ PPPoE íà L2TP. Ïîñëå ýòîãî ïåðèîäè÷åñêè ñòàë çàâèñàòü rTorrent. Ïðè÷åì íå ïðîñòî çàâèñàòü, à ñòàíîâèòñÿ êîëîì òàê, ÷òî ïîìîãàåò òîëüêî ïåðåçàãðóçêà. Äàáû óñòðàíèòü ïîñëåäñòâèÿ äàííîé ïðîáëåìû ñäåëàë ïðèìèòèâíûé watchdog.

Äîáàâèë â ôàéë íàñòðîåê "rtorrent.conf":

Code:

# Activity semaphore
schedule = activity,60,600,"execute={sh,-c,echo -n > /tmp/rtorrent_activity.semaphore &}"

Ñîçäàë ñêðèïò "/opt/etc/cron.hourly/rtorrent_activity.sh":

Code:

#!/bin/sh

activity_semaphore="/tmp/rtorrent_activity.semaphore"

if [ -f $activity_semaphore ] && [ "$(( $(date +"%s") - $(stat -c "%Y" $activity_semaphore) ))" -gt "3600" ]
then
        logger "rTorrent is frozen. Rebooting the system..."
        echo "rTorrent is frozen. Rebooting the system..."
        rm -f $activity_semaphore
        reboot
fi

exit 0

Ìîäèôèöèðîâàë ñêðèïò çàïóñêà/îñòàíîâêè rTorrent:

Code:

…
d_stop() {
        session=`getsession "$config"`
        if ! [ -s "${session}/rtorrent.lock" ] ; then
                return
        fi
        pid=`cat "${session}/rtorrent.lock" | awk -F':' '{print($2)}' | sed 's/[^0-9]//g'`
        if ls -l "/proc/${pid}/exe" | grep -q '/rtorrent$'  # make sure the pid doesn't belong to another process
        then
                # remove activity semaphore
                rm -f "/tmp/rtorrent_activity.semaphore"
                # send SIGINT (normal shutdown) and wait ${interrupt_timeout} seconds
                if signal_and_wait "INT" "${interrupt_timeout}" $pid ; then
                        # exited
                        return
                fi
…

Òàêèì îáðàçîì, åñëè rTorrent ïîâèñàåò è ñåìàôîð "/tmp/rtorrent_activity.semaphore" íå îáíîâëÿåòñÿ áîëåå ÷àñà, êîðîáî÷êà àâòîìàòè÷åñêè ïåðåãðóæàåòñÿ.

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