[Bitcoin-development] Long stalling periods

Samuel Tardieu sam at rfc1149.net
Wed Oct 10 08:17:29 UTC 2012


Hi.

I've removed by blockchain information and started redownloading it, on a
fast connection, using the latest git version (tagged v0.7.1rc1), on a SSD
disk.

Everything goes very fast, except that a lot of duplicate blocks are
processed. New blocks arrive quickly, then a lot of duplicates seem to be
processed at a much quieter pace, while the chain height does not increase
anymore.

Is that expected? Isn't there a way to limit unneeded blocks downloads?

SetBestChain: new best=000000000000a664b1f5  height=114310
work=2478070628744107557  date=03/20/11 22:08:47
ProcessBlock: ACCEPTED
received block 00000000000064fbb040
SetBestChain: new best=00000000000064fbb040  height=114311
work=2478397878545837400  date=03/20/11 22:12:52
ProcessBlock: ACCEPTED
received block 0000000000006c7d5cf8
SetBestChain: new best=0000000000006c7d5cf8  height=114312
work=2478725128347567243  date=03/20/11 22:14:27
ProcessBlock: ACCEPTED
received block 0000000000009d72b51c
SetBestChain: new best=0000000000009d72b51c  height=114313
work=2479052378149297086  date=03/20/11 22:50:22
ProcessBlock: ACCEPTED
received block 00000000000014d91e7f
SetBestChain: new best=00000000000014d91e7f  height=114314
work=2479379627951026929  date=03/20/11 23:15:37
ProcessBlock: ACCEPTED
received block 000000000000034002cb
SetBestChain: new best=000000000000034002cb  height=114315
work=2479706877752756772  date=03/20/11 23:24:47
ProcessBlock: ACCEPTED
received block 00000000000032c97ae9
SetBestChain: new best=00000000000032c97ae9  height=114316
work=2480034127554486615  date=03/20/11 23:28:03
ProcessBlock: ACCEPTED
received block 00000000000055503e82
SetBestChain: new best=00000000000055503e82  height=114317
work=2480361377356216458  date=03/20/11 23:36:16
SetBestChain: new best=000000000000b7ce72e8  height=114318
work=2480688627157946301  date=03/20/11 23:37:44
SetBestChain: new best=00000000000076788899  height=114319
work=2481015876959676144  date=03/20/11 23:46:41
SetBestChain: new best=000000000000d04ffc5a  height=114320
work=2481343126761405987  date=03/20/11 23:55:28
SetBestChain: new best=000000000000514f0116  height=114321
work=2481670376563135830  date=03/21/11 00:02:01
SetBestChain: new best=00000000000022f1d1a0  height=114322
work=2481997626364865673  date=03/21/11 00:08:11
SetBestChain: new best=000000000000370e907e  height=114323
work=2482324876166595516  date=03/21/11 00:18:39
SetBestChain: new best=000000000000dab36141  height=114324
work=2482652125968325359  date=03/21/11 00:27:57
SetBestChain: new best=0000000000009f9401c1  height=114325
work=2482979375770055202  date=03/21/11 00:31:44
SetBestChain: new best=0000000000000e774dae  height=114326
work=2483306625571785045  date=03/21/11 00:48:00
SetBestChain: new best=000000000000b751fde0  height=114327
work=2483633875373514888  date=03/21/11 00:55:10
SetBestChain: new best=000000000000b377b247  height=114328
work=2483961125175244731  date=03/21/11 01:03:44
SetBestChain: new best=0000000000008a324822  height=114329
work=2484288374976974574  date=03/21/11 01:13:59
SetBestChain: new best=0000000000004270b478  height=114330
work=2484615624778704417  date=03/21/11 02:19:15
SetBestChain: new best=0000000000006b3f7c56  height=114331
work=2484942874580434260  date=03/21/11 02:47:57
SetBestChain: new best=0000000000009bc3a829  height=114332
work=2485270124382164103  date=03/21/11 02:55:29
SetBestChain: new best=000000000000308b5ad5  height=114333
work=2485597374183893946  date=03/21/11 02:55:44
SetBestChain: new best=0000000000007637ea6e  height=114334
work=2485924623985623789  date=03/21/11 03:10:04
SetBestChain: new best=0000000000000006acb7  height=114335
work=2486251873787353632  date=03/21/11 03:20:49
SetBestChain: new best=000000000000ab316f00  height=114336
work=2486579123589083475  date=03/21/11 03:43:16
SetBestChain: new best=0000000000005e87ca89  height=114337
work=2486906373390813318  date=03/21/11 03:44:37
SetBestChain: new best=000000000000adbb9bf5  height=114338
work=2487233623192543161  date=03/21/11 03:50:07
SetBestChain: new best=00000000000097ccfcf2  height=114339
work=2487560872994273004  date=03/21/11 04:02:14
SetBestChain: new best=0000000000000ab6f760  height=114340
work=2487888122796002847  date=03/21/11 04:04:52
SetBestChain: new best=00000000000099fc0aab  height=114341
work=2488215372597732690  date=03/21/11 04:11:18
SetBestChain: new best=00000000000038f85ffc  height=114342
work=2488542622399462533  date=03/21/11 04:21:02
SetBestChain: new best=0000000000008cf7ad33  height=114343
work=2488869872201192376  date=03/21/11 04:32:41
SetBestChain: new best=00000000000026f435ba  height=114344
work=2489197122002922219  date=03/21/11 04:40:07
SetBestChain: new best=000000000000a234fe35  height=114345
work=2489524371804652062  date=03/21/11 05:04:04
SetBestChain: new best=0000000000008f808957  height=114346
work=2489851621606381905  date=03/21/11 05:06:09
SetBestChain: new best=000000000000bb884dcb  height=114347
work=2490178871408111748  date=03/21/11 05:11:53
SetBestChain: new best=00000000000038cade45  height=114348
work=2490506121209841591  date=03/21/11 05:19:06
SetBestChain: new best=0000000000001e3155cd  height=114349
work=2490833371011571434  date=03/21/11 05:25:27
SetBestChain: new best=00000000000064fb7182  height=114350
work=2491160620813301277  date=03/21/11 05:27:41
SetBestChain: new best=000000000000a4cb0d57  height=114351
work=2491487870615031120  date=03/21/11 05:30:26
ProcessBlock: ACCEPTED
received block 0000000000007e7aa361
ERROR: ProcessBlock() : already have block 113868 0000000000007e7aa361
received block 000000000000af24d6fe
ERROR: ProcessBlock() : already have block 113869 000000000000af24d6fe
Added 1 addresses from 211.30.28.213: 26 tried, 8283 new
received block 00000000000094e6dc06
ERROR: ProcessBlock() : already have block 113870 00000000000094e6dc06
received block 000000000000d9efaa82
ERROR: ProcessBlock() : already have block 113871 000000000000d9efaa82
ERROR: FetchInputs() : 902e449ac3 mempool Tx prev not found abfd88f0e4
stored orphan tx 902e449ac3 (mapsz 877)
Added 1 addresses from 24.124.62.104: 26 tried, 8284 new
received block 000000000000a5695904
ERROR: ProcessBlock() : already have block 113872 000000000000a5695904
Added 1 addresses from 211.30.28.213: 26 tried, 8284 new
received block 0000000000002d0aa359
ERROR: ProcessBlock() : already have block 113873 0000000000002d0aa359
received block 000000000000d91ea603
ERROR: ProcessBlock() : already have block 113874 000000000000d91ea603
received block 000000000000d3c72ce3

  Sam
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