news.bbs.nz daily logs

Dec 25 23:58:01 -- Dec 26 23:58:02

Log entries by program:

Program nameLines%LinesSize%Size
nnrpd 179021 70.1%14.6 MB 49.8%
innd 33019 12.9%5.3 MB 18.0%
innfeed 27393 10.7%5.4 MB 18.5%
inn 14458 5.7%3.8 MB 12.8%
cnfsstat 1440 0.6%253.9 KB 0.8%
controlchan 1 0.0%0.1 KB 0.0%
TOTAL: 6 255332 100.0%29.4 MB100.0%

History cache:

ReasonCount%Count
Negative hits 202331 48.9%
Positive hits 196929 47.6%
Do not exist 13952 3.4%
Cache misses 223 0.1%
TOTAL: 4 413435 100.0%

INND timer:

Code regionTimePctInvokedMin(ms)Avg(ms)Max(ms)
article cancel00:00:00.119 0.0%18 0.000 6.611 27.000
article cleanup00:00:00.158 0.0%14277 0.000 0.011 0.047
article logging00:00:00.416 0.0%14443 0.000 0.029 0.347
article parse00:00:00.942 0.0%120986 0.000 0.008 0.034
article write00:00:00.813 0.0%11269 0.000 0.072 0.388
artlog/artcncl00:00:00.000 0.0%18 0.000 0.000 0.000
artlog/artparse00:00:00.000 0.0%1 0.000 0.000 0.000
data move00:00:00.392 0.0%476140 0.000 0.001 0.005
hisgrep/artcncl00:00:00.000 0.0%17 0.000 0.000 0.000
hishave/artcncl00:00:00.000 0.0%18 0.000 0.000 0.000
history grep00:00:00.000 0.0%0 0.000 0.000 0.000
history lookup00:00:08.656 0.0%417406 0.002 0.021 0.936
history sync00:00:00.167 0.0%366 0.000 0.456 35.250
history write00:00:05.516 0.0%14103 0.000 0.391 18.266
hiswrite/artcncl00:00:00.000 0.0%1 0.000 0.000 0.000
idle23:58:16.483 99.8%474793 107.060 181.756 499.549
nntp read00:00:03.970 0.0%476583 0.003 0.008 0.021
overview write00:00:32.466 0.0%11269 0.083 2.881 70.382
perl filter00:00:30.774 0.0%14100 1.122 2.183 10.450
python filter00:00:00.000 0.0%0 0.000 0.000 0.000
site send00:00:00.750 0.0%22538 0.000 0.033 0.195
TOTAL: 24:00:51.10423:59:41.622 99.9%----

INNfeed timer:

Code regionTimePctInvokedMin(ms)Avg(ms)Max(ms)
article new00:00:00.031 0.0%14060 0.000 0.002 0.031
article prepare00:00:00.000 0.0%5350 0.000 0.000 0.000
article read00:00:00.165 0.0%1145 0.000 0.144 3.524
backlog stats00:00:00.463 0.0%226290 0.000 0.002 0.006
callbacks00:00:00.000 0.0%0 0.000 0.000 0.000
data read00:00:01.693 0.0%180032 0.001 0.009 0.025
data write00:00:02.116 0.0%171204 0.005 0.012 0.031
idle23:54:50.124100.0%226290 254.223 380.442 853.366
status file00:00:10.655 0.0%1899 0.455 5.611 472.231
TOTAL: 23:55:22.04323:55:05.247100.0%----

nnrpd timer:

Code regionTimePctInvokedMin(ms)Avg(ms)Max(ms)
idle12:22:05.320 98.9%149692 0.000 297.446 71865.321
newnews00:00:00.000 0.0%0 0.000 0.000 0.000
nntpwrite00:00:03.896 0.0%478081 0.000 0.008 0.400
readart00:00:15.022 0.0%17626 0.000 0.852 12.000
TOTAL: 12:30:39.90912:22:24.238 98.9%----

Control commands to INND:

CommandNumber
L 1
flush 4
flushlogs 2
go 2
logmode 2
mode 148
name 2
pause 2
paused 2
reload 2
reserve 2
TOTAL: 11 169

Incoming Feeds (INN):

ServerConnectsOfferedTakenRefusedReject%AccptElapsed
1bbs-nz-out.news.weretis.net 5 38138 3085 33246 1807 8%73:13:36
2news-out.aioe.org 2 12059 2064 9962 33 17%26:02:20
3feeder.eternal-september.org 2 12613 1344 11174 95 10%24:26:18
4bbsnz-out.feed.uzoreto.com 864 17024 1154 15535 335 6%71:07:34
5news.snarked.org 11 7070 933 5977 160 13%14:32:55
6news.albasani.net 1 11958 748 11025 185 6%24:19:50
7newsfeed.neva.ru 147 5529 604 4846 79 10%71:04:30
8news-out.mixmin.net 2 11898 537 11068 293 4%23:55:56
9news.redatomik.org 2 8483 411 8040 32 4%23:59:40
10csiph.com 1 10979 214 10759 6 1%23:59:54
11newsfeed.xs3.de 2 11168 125 11033 10 1%23:59:24
12news.swapon.de 18 985 108 876 1 10%23:15:17
13agency-nz-out.news.mb-net.net 5 12510 51 12444 15 0%24:37:13
14news.freedyn.net 2 12486 38 12428 20 0%23:43:32
15news.samoylyk.net 1 11099 33 11058 8 0%23:59:56
16feeder.awxg.com 1 9775 5 9762 8 0%23:59:56
17news.ausics.org 1 10285 0 10285 0 0%24:44:25
18localhost 1 0 0 0 0 0%00:00:00
19nut.utcc.utoronto.ca 2 17401 0 17401 0 0%36:02:05
TOTAL: 19 1070 221460 11454 206919 3087 5%581:04:21
Articles received by server

Incoming Volume (INN):

ServerAcceptVolDupVolRejVolTotalVol%AccVol/Art
1bbs-nz-out.news.weretis.net16.6 MB414.1 KB140.7 MB157.7 MB 10%33.0 KB
2news-out.aioe.org5.2 MB44.6 KB139.1 KB5.4 MB 96%2.6 KB
3bbsnz-out.feed.uzoreto.com4.3 MB42.4 KB1.2 MB5.6 MB 76%3.8 KB
4feeder.eternal-september.org3.7 MB149.8 KB553.6 KB4.4 MB 84%3.1 KB
5news.snarked.org3.3 MB118.2 KB2.1 MB5.5 MB 60%5.2 KB
6news.albasani.net3.1 MB141.8 KB459.8 KB3.7 MB 84%4.1 KB
7news-out.mixmin.net1.8 MB35.6 KB597.7 KB2.4 MB 74%3.0 KB
8newsfeed.neva.ru1.6 MB13.6 KB401.2 KB2.0 MB 79%3.0 KB
9news.redatomik.org1.1 MB25.1 KB103.2 KB1.2 MB 89%2.8 KB
10csiph.com712.9 KB17.0 KB17.0 KB746.9 KB 95%3.4 KB
11newsfeed.xs3.de503.3 KB29.4 KB30.8 KB563.6 KB 89%4.2 KB
12news.swapon.de252.2 KB2.3 KB2.3 KB256.7 KB 98%2.4 KB
13news.freedyn.net184.2 KB25.1 KB202.5 KB411.8 KB 44%7.1 KB
14agency-nz-out.news.mb-net.net126.2 KB140.3 KB142.8 KB409.3 KB 30%6.2 KB
15news.samoylyk.net102.2 KB119.3 KB119.3 KB340.8 KB 29%8.3 KB
16feeder.awxg.com59.1 KB25.0 KB64.4 KB148.5 KB 39%11.4 KB
17news.ausics.org0.0 KB0.0 KB0.0 KB0.0 KB 0%0
18localhost0.0 KB0.0 KB0.0 KB0.0 KB 0%0
19nut.utcc.utoronto.ca0.0 KB0.0 KB0.0 KB0.0 KB 0%0
TOTAL: 1942.8 MB1.3 MB146.8 MB190.9 MB 22%13.4 KB
Incoming Volume received by server

Incoming articles:

DateArticles%ArtsArt/secSize%SizeKB/sec
Dec 25 23:58:01 - 23:59:59 22 0.2% 0.1845.2 KB 0.1% 0.38
Dec 26 00:00:00 - 00:59:59 594 5.3% 0.171.9 MB 4.5% 0.55
Dec 26 01:00:00 - 01:59:59 622 5.5% 0.172.1 MB 4.9% 0.59
Dec 26 02:00:00 - 02:59:59 602 5.3% 0.171.9 MB 4.5% 0.54
Dec 26 03:00:00 - 03:59:59 542 4.8% 0.152.3 MB 5.5% 0.67
Dec 26 04:00:00 - 04:59:59 597 5.3% 0.171.7 MB 4.0% 0.49
Dec 26 05:00:00 - 05:59:59 584 5.2% 0.162.4 MB 5.7% 0.69
Dec 26 06:00:00 - 06:59:59 615 5.5% 0.172.0 MB 4.8% 0.57
Dec 26 07:00:00 - 07:59:59 586 5.2% 0.161.6 MB 3.9% 0.47
Dec 26 08:00:00 - 08:59:59 555 4.9% 0.152.5 MB 5.9% 0.71
Dec 26 09:00:00 - 09:59:59 605 5.4% 0.172.2 MB 5.3% 0.64
Dec 26 10:00:00 - 10:59:59 614 5.4% 0.172.5 MB 6.0% 0.72
Dec 26 11:00:00 - 11:59:59 558 5.0% 0.152.2 MB 5.2% 0.62
Dec 26 12:00:00 - 12:59:59 431 3.8% 0.122.2 MB 5.2% 0.62
Dec 26 13:00:00 - 13:59:59 387 3.4% 0.111.1 MB 2.7% 0.33
Dec 26 14:00:00 - 14:59:59 275 2.4% 0.081003.9 KB 2.3% 0.28
Dec 26 15:00:00 - 15:59:59 283 2.5% 0.081.1 MB 2.7% 0.32
Dec 26 16:00:00 - 16:59:59 275 2.4% 0.081.3 MB 3.0% 0.36
Dec 26 17:00:00 - 17:59:59 226 2.0% 0.061.1 MB 2.7% 0.32
Dec 26 18:00:00 - 18:59:59 241 2.1% 0.071017.9 KB 2.4% 0.28
Dec 26 19:00:00 - 19:59:59 253 2.2% 0.071.2 MB 2.8% 0.33
Dec 26 20:00:00 - 20:59:59 250 2.2% 0.07943.2 KB 2.2% 0.26
Dec 26 21:00:00 - 21:59:59 427 3.8% 0.121.3 MB 3.1% 0.37
Dec 26 22:00:00 - 22:59:59 541 4.8% 0.152.6 MB 6.1% 0.73
Dec 26 23:00:00 - 23:58:02 583 5.2% 0.172.0 MB 4.7% 0.59
TOTAL: 24:00:01 11268 100.0% 0.1342.3 MB 100.0% 0.50
Incoming articles
Incoming articles (size)

CNFS buffer status:

BufferClassSizeUsed%UsedCyclesKB/secDays
BUFF01BIG850.0 GB30.6 GB 61.3% 0 0.21 2855.29
BUFF02BIG850.0 GB1.6 MB 0.0% 0 0.00 0.00
BUFF03ALT50.0 GB35.2 GB 70.4% 0 0.27 2265.67
BUFF04ALT50.0 GB1.6 MB 0.0% 0 0.00 0.00
BUFF05BIN50.0 GB370.1 MB 0.7% 0 0.0235555.56
BUFF06BIN50.0 GB1.6 MB 0.0% 0 0.00 0.00
BUFF07BIN50.0 GB1.6 MB 0.0% 0 0.00 0.00
BUFF08CTCALL50.0 GB1.6 MB 0.0% 0 0.00 0.00
BUFF09CTCALL50.0 GB1.6 MB 0.0% 1 0.00 0.00
BUFF10CTCALL50.0 GB31.6 GB 63.3% 0 0.36 1675.96
TOTAL: 10-500.0 GB97.8 GB 19.6% 1 0.28-

Sites sending bad articles:

ServerTotalGroupDistDuplicUnappTooOldSiteLineOther
1bbs-nz-out.news.weretis.net 1751 37 0 39 0 0 0 0 1675
2bbsnz-out.feed.uzoreto.com 341 11 0 7 0 0 0 0 323
3news-out.mixmin.net 334 0 0 10 0 0 0 0 324
4news.albasani.net 225 3 0 13 0 0 0 0 209
5news.snarked.org 111 0 0 6 0 0 0 0 105
6feeder.eternal-september.org 93 0 0 16 0 0 0 0 77
7newsfeed.neva.ru 81 8 0 3 0 0 0 0 70
8news-out.aioe.org 59 16 0 10 0 0 0 0 33
9news.redatomik.org 56 0 0 8 0 0 0 0 48
10news.swapon.de 37 0 0 2 0 0 0 0 35
11news.freedyn.net 30 0 0 13 0 0 0 0 17
12agency-nz-out.news.mb-net.net 17 0 0 15 0 0 0 0 2
13newsfeed.xs3.de 12 0 0 8 0 0 0 0 4
14feeder.awxg.com 10 0 0 10 0 0 0 0 0
15news.samoylyk.net 9 0 0 9 0 0 0 0 0
16csiph.com 6 0 0 6 0 0 0 0 0
TOTAL: 16 3172 75 0 175 0 0 0 0 2922

Unwanted newsgroups [Top 20]:

NewsgroupCount
mozilla.support.seamonkey 13
mozilla.dev.apps.thunderbird 12
gmane.linux.kernel 12
gmane.linux.alsa.devel 7
al.christnet.bible 4
gmane.comp.gis.openstreetmap.tagging 4
mozilla.dev.ui-alerts 4
flashnet.chatter 3
south-wales.test 2
biz.jobs.offered 1
nrc.test 1
it.annunci.commerciali 1
gmane.linux.bios.flashrom 1
albasani.test 1
mozilla.test 1
demos.local.statistics 1
alt.fan.snuffles 1
alt.religion.christian.romman-catholic 1
alt.christnet.eucharist 1
a.b.movies.boneless 1
TOTAL: 23 75

INND Perl filter [Top 20]:

ReasonCount
EMP (md5) 1233
Binary: misplaced rar 1034
EMP (phn path) 261
EMP (phn nph) 65
Too many newsgroups 36
Binary: misplaced par2 33
Binary: misplaced PAR2 22
User-issued cancel 22
EMP (phl) 19
Binary: non-binary distribution 10
Binary Image: misplaced jpg 10
Binary: misplaced mp4 7
HTML file attachment 1
Binary: misplaced z18 1
TOTAL: 14 2754

Miscellaneous innd statistics [Top 10]:

EventServerNumber
Including strange strings
news.swapon.de 35
news.albasani.net 32
news-out.aioe.org 29
news-out.mixmin.net 23
news.redatomik.org 23
bbs-nz-out.news.weretis.net 16
bbsnz-out.feed.uzoreto.com 5
newsfeed.xs3.de 1
newsfeed.neva.ru 1
TOTAL: 9 165
TOTAL: 1 165

Outgoing Feeds (innfeed) by Articles:

ServerOfferedTakenRefusedRejectMissSpool%TookElapsed
1utnut 11268 375 10825 68 0 0 3%23:59:48
2news.ausics.org 10257 262 9990 5 0 0 2%23:59:48
3newsfeed.xs3.de 11175 54 11088 8 0 71 0%23:59:47
4awxg 10905 16 10876 4 0 0 0%23:59:48
5aioe 8690 5 8659 0 0 0 0%23:59:48
6news.albasani.net 11410 1 9941 486 1 2715 0%23:59:48
7news.samoylyk.net 10246 1 10225 0 0 2 0%23:59:48
8mb-net.net 11215 1 11206 0 0 0 0%23:59:35
9news.snarked.org 5265 0 5231 0 0 5029 0%23:59:48
10csiph.com 11035 0 11022 0 0 0 0%23:59:48
11news.redatomik.org 10862 0 10855 0 0 4 0%23:59:48
12neva.ru 10315 0 10309 0 0 0 0%23:59:48
13eternal-september 9826 0 9815 0 0 0 0%23:59:48
14weretis.net 8010 0 7978 2 0 42 0%23:57:42
15news-in.mixmin.net 10124 0 10117 0 0 1 0%23:59:35
16news.swapon.de 865 0 865 0 0 1 0%23:00:41
17news.uzoreto.com 9888 0 9888 0 0 0 0%23:59:46
18news.freedyn.net 11251 0 11232 0 0 0 0%23:59:36
TOTAL: 18 172607 715 170122 573 1 7865 0%430:54:30
Outgoing feeds (innfeed) by Articles

Outgoing Feeds (innfeed) by Volume:

ServerAcceptVolRejectVolTotalVolVolume/secVol/ArtElapsed
1utnut9.4 MB680.1 KB10.0 MB0.1 KB/s23.2 KB23:59:48
2news.ausics.org6.3 MB331.2 KB6.6 MB0.1 KB/s25.4 KB23:59:48
3newsfeed.xs3.de1.5 MB22.0 KB1.5 MB0.0 KB/s24.8 KB23:59:47
4aioe42.4 KB0.0 KB42.4 KB0.0 KB/s8.5 KB23:59:48
5awxg36.6 KB12.8 KB49.4 KB0.0 KB/s2.5 KB23:59:48
6news.samoylyk.net3.0 KB0.0 KB3.0 KB0.0 KB/s3.0 KB23:59:48
7news.albasani.net1.8 KB1.6 MB1.6 MB0.0 KB/s3.3 KB23:59:48
8mb-net.net1.5 KB0.0 KB1.5 KB0.0 KB/s1.5 KB23:59:35
9news.snarked.org0.0 KB0.0 KB0.0 KB0.0 KB/s023:59:48
10csiph.com0.0 KB0.0 KB0.0 KB0.0 KB/s023:59:48
11news.redatomik.org0.0 KB0.0 KB0.0 KB0.0 KB/s023:59:48
12neva.ru0.0 KB0.0 KB0.0 KB0.0 KB/s023:59:48
13eternal-september0.0 KB0.0 KB0.0 KB0.0 KB/s023:59:48
14weretis.net0.0 KB103.3 KB103.3 KB0.0 KB/s51.6 KB23:57:42
15news-in.mixmin.net0.0 KB0.0 KB0.0 KB0.0 KB/s023:59:35
16news.swapon.de0.0 KB0.0 KB0.0 KB0.0 KB/s023:00:41
17news.uzoreto.com0.0 KB0.0 KB0.0 KB0.0 KB/s023:59:46
18news.freedyn.net0.0 KB0.0 KB0.0 KB0.0 KB/s023:59:36
TOTAL: 1817.2 MB2.7 MB19.9 MB0.0 KB/s15.9 KB430:54:30
Outgoing feeds (innfeed) by Volume

NNRP readership statistics:

SystemConnArtsSizeGroupsPostRejElapsed
1ool-4578089a.dyn.optonline.net 2 1289417.4 MB 123 0 002:52:34
2agency.bbs.nz 384 376614.7 MB 2375 0 000:15:31
3103.39.238.13 24 620785.1 KB 116 0 000:06:44
4amigacity.xyz 71 160296.3 KB 84 0 000:35:46
TOTAL: 4 481 1744033.1 MB 2698 0 012:30:32

NNRP readership statistics (by domain):

SystemConnArtsSizeGroupsPostRejElapsed
1*.dyn.optonline.net 2 1289417.4 MB 123 0 002:52:34
2*.bbs.nz 384 376614.7 MB 2375 0 000:15:31
3unresolved 28 620785.1 KB 116 0 000:10:33
4*.xyz 71 160296.3 KB 84 0 000:35:46
5*.cpe.cableone.net 3 00.0 KB 0 0 008:36:03
TOTAL: 5 488 1744033.1 MB 2698 0 012:30:32

NNRP auth users [Top 20]:

UserConn
amigacity 71
amybbs 24
malcolmlewis 3
TOTAL: 3 98

NNRP total resource statistics [Top 20]:

SystemUser(ms)System(ms)Idle(ms)Elapsed
160-3-233-17.cpe.cableone.net 0.132 0.052 0.01008:36:03
ool-4578089a.dyn.optonline.net 2.328 2.848 0.00002:52:34
amigacity.xyz 4.324 1.040 0.38200:35:46
agency.bbs.nz 28.676 7.212 0.00000:15:31
103.39.238.13 1.492 0.344 0.08300:06:44
118.149.235.78 0.252 0.032 0.00000:03:49
? 1.388 0.164 0.00000:00:02
TOTAL: 7 38.592 11.692 0.47512:30:32

Curious NNRP server explorers [Top 20]:

SystemConn
118.149.235.78 4
160-3-233-17.cpe.cableone.net 3
TOTAL: 2 7

NNRP gethostbyaddr failures [Top 20]:

SystemConn
? (can't getpeername) 19
TOTAL: 1 19

NNRP client timeouts [Top 20]:

SystemConnPeer
ool-4578089a.dyn.optonline.net 1 0
TOTAL: 1 1 0

Newsgroup request counts (by category):

CategoryCountPct
1alt 16009 78.0%
2rec 1833 8.9%
3soc 697 3.4%
4linux 487 2.4%
5sci 453 2.2%
6uk 329 1.6%
7comp 306 1.5%
8talk 169 0.8%
9misc 73 0.4%
10aioe 63 0.3%
11alabama 44 0.2%
12mozilla 22 0.1%
13aus 15 0.1%
14microsoft 10 0.0%
15airnews 4 0.0%
16ak 4 0.0%
17news 4 0.0%
18abg 4 0.0%
19acadia 4 0.0%
TOTAL: 19 20530100.0%

Newsgroup request counts (by newsgroup) [Top 100]:

NewsgroupCount
1alt.atheism 6900
2alt.arts.poetry.comments 2745
3alt.bible 1482
4alt.anonymous.messages 1056
5alt.assassination.jfk 1011
6alt.astrology.pro 801
7rec.arts.tv 510
8alt.baldspot 272
9alt.bestjobsusa.computer.jobs 264
10rec.arts.drwho 227
11alt.astronomy 223
12alt.appalachian 216
13alt.abortion 214
14rec.sport.tennis 173
15rec.food.cooking 162
16uk.d-i-y 153
17linux.debian.changes.devel 151
18rec.games.miniatures.misc 142
19sci.physics 134
20linux.debian.bugs.dist 121
21soc.retirement 107
22alt.alien.vampire.flonk.flonk.flonk 106
23alt.animals.ethics.vegetarian 90
24talk.politics.guns 78
25soc.culture.polish 76
26soc.culture.china 73
27alt.alan.c.sanderson.looks.like.a.dork 72
28rec.arts.sf.written 68
29soc.penpals 67
30uk.legal 67
31comp.lang.c 63
32soc.culture.israel 56
33talk.origins 54
34sci.math 54
35uk.radio.amateur 52
36rec.music.classical.recordings 50
37sci.logic 48
38sci.electronics.design 47
39alt.os.linux.ubuntu 47
40linux.debian.bugs.rc 46
41comp.lang.python 46
42rec.sport.football.college 46
43aioe.news.assistenza 45
44rec.music.rock-pop-r+b.1950s 45
45alabama.test 44
46sci.lang 44
47soc.culture.usa 43
48rec.boats 43
49alt.autos.honda 43
50alt.politics.trump 43
51linux.debian.user 41
52comp.lang.c++ 38
53soc.history.living 38
54soc.culture.greek 36
55soc.culture.indian 34
56uk.legal.moderated 31
57comp.os.vms 30
58alt.bbs.ads 29
59sci.military.naval 29
60rec.sport.pro-wrestling 26
61sci.med.cardiology 26
62alt.bbs.mystic 26
63rec.arts.sf.tv 25
64misc.survivalism 25
65alt.activism.death-penalty 24
66talk.politics.misc 23
67sci.astro.amateur 21
68rec.gambling.poker 20
69rec.games.backgammon 20
70rec.outdoors.rv-travel 19
71linux.debian.kernel 18
72alt.test 18
73rec.sport.soccer 18
74rec.sport.cricket 18
75linux.debian.devel 17
76soc.history 17
77comp.mobile.ipad 16
78linux.debian.l10n.german 16
79alt.astrology 16
80alt.comp.os.windows-10 16
81alt.adoption.adoptive.parenting 15
82rec.photo.digital 15
83comp.sys.ibm.pc.games.action 15
84alt.autos.subaru 15
85rec.bicycles.tech 15
86aus.electronics 14
87soc.culture.brazil 14
88linux.debian.maint.boot 13
89rec.aviation.soaring 13
90rec.music.dylan 13
91sci.physics.relativity 13
92misc.headlines 12
93alt.amazon-women 12
94alt.astrology.marketplace 12
95rec.audio.opinion 12
96rec.arts.tv.soaps.cbs 11
97soc.women 11
98soc.culture.netherlands 11
99alt.battlestar-galactica 10
100alt.aeffle.und.pferdle 10
TOTAL: 343 20530