Significantly degraded performance syncing clique chains

[5chdn]

Version: master @ 1c2e121

Syncing Rinkeby

2018-11-17 21:28:52  Syncing   #28141 0xf86c…aa5a     1.21 blk/s    0.0 tx/s    0 Mgas/s      0+27096 Qed    #55245   25/25 peers   675 KiB chain 4 MiB db 40 MiB queue 33 MiB sync  RPC:  0 conn,    0 req/s,    0 µs
2018-11-17 21:28:57  Syncing   #28148 0x6a80…e124     1.40 blk/s    0.0 tx/s    0 Mgas/s      0+27096 Qed    #55245   25/25 peers   1 MiB chain 4 MiB db 40 MiB queue 33 MiB sync  RPC:  0 conn,    0 req/s,    0 µs
2018-11-17 21:29:07  Syncing   #28162 0xea86…a13c     1.40 blk/s    0.0 tx/s    0 Mgas/s      0+27072 Qed    #55245   25/25 peers   2 MiB chain 4 MiB db 40 MiB queue 33 MiB sync  RPC:  0 conn,    0 req/s,    0 µs
2018-11-17 21:29:17  Syncing   #28177 0x8ba1…e06c     1.50 blk/s    0.0 tx/s    0 Mgas/s      0+27060 Qed    #55245   25/25 peers   2 MiB chain 4 MiB db 40 MiB queue 33 MiB sync  RPC:  0 conn,    0 req/s,    0 µs
2018-11-17 21:29:27  Syncing   #28196 0xe276…8d47     1.90 blk/s    0.0 tx/s    0 Mgas/s      0+27048 Qed    #55245   25/25 peers   3 MiB chain 4 MiB db 40 MiB queue 33 MiB sync  RPC:  0 conn,    0 req/s,    0 µs

Note these blocks are all empty.

Syncing Foundation

2018-11-17 21:28:29  Syncing #1287076 0xd2d1…37f1   222.57 blk/s 1077.4 tx/s   31 Mgas/s   2543+ 5925 Qed  #1295550   25/25 peers   7 MiB chain 66 MiB db 40 MiB queue 14 MiB sync  RPC:  0 conn,    0 req/s,    0 µs
2018-11-17 21:28:40  Syncing #1287935 0x1f12…3b00    85.99 blk/s  772.2 tx/s   22 Mgas/s    602+ 7000 Qed  #1295550   25/25 peers   5 MiB chain 66 MiB db 36 MiB queue 32 MiB sync  RPC:  0 conn,    0 req/s,    0 µs
2018-11-17 21:28:50  Syncing #1290324 0x883e…4b77   242.19 blk/s 1155.2 tx/s   35 Mgas/s      0+ 5220 Qed  #1295550   23/25 peers   7 MiB chain 66 MiB db 26 MiB queue 32 MiB sync  RPC:  0 conn,    0 req/s,    0 µs
2018-11-17 21:29:00  Syncing #1293087 0xdddb…a088   277.02 blk/s 1196.4 tx/s   39 Mgas/s      0+ 2472 Qed  #1295550   23/25 peers   3 MiB chain 67 MiB db 14 MiB queue 32 MiB sync  RPC:  0 conn,    0 req/s,    0 µs
2018-11-17 21:29:10  Syncing #1295010 0x4d81…13c2   195.25 blk/s 1398.9 tx/s   37 Mgas/s      0+  528 Qed  #1295550   23/25 peers   6 MiB chain 67 MiB db 3 MiB queue 32 MiB sync  RPC:  0 conn,    0 req/s,    0 µs

(For comparison)

[thefallentree]

Yeah, I think this maybe repeated calling ecrecover . I noticed this too. but the sync rate fluctuate a lot

[jwasinger]

Fixed here: #18

[5chdn]

Yay, thanks:

2|garity  | 2018-11-20 12:07:31 UTC Syncing   #37314 0xc356…57af  2703.96 blk/s 1157.9 tx/s   24 Mgas/s      0+19144 Qed    #56466   12/25 peers      5 MiB chain   26 MiB db   29 MiB queue   14 MiB sync  RPC:  0 conn,    6 req/s,  132 µs