Committing 3 changed transactions to coin database...
SetBestChain: new best=53abc4b3bdd97c8923c3dc99b104123d992e03ade72559469733b918a52dffad height=68336 difficulty=8.989365 log2Work=22.588917 log2ChainWork=36.340584 tx=85191 date=2013-07-20 03:30:07 progress=0.001598
ProcessBlock: ACCEPTED
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
CTxMemPool::accept() : accepted ab9cd68be05c660b91b96c42a34c0678330c448f688bd01dde1b7a5e39a2a6d4 (poolsz 1)
received block 3bed147e1f0541953fdeca7fa1b3cc201bfcd85ebc7593297d8480173cef4f93
Committing 5 changed transactions to coin database...
SetBestChain: new best=3bed147e1f0541953fdeca7fa1b3cc201bfcd85ebc7593297d8480173cef4f93 height=68337 difficulty=8.9893658 log2Work=22.588943 log2ChainWork=36.340689 tx=85193 date=2013-07-20 03:30:36 progress=0.001598
2013-07-20 03:30:38 primemeter 80622 prime/h 558983 test/h
ProcessBlock: ACCEPTED
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
received block a9bab666600487cc1ade2d4b9575ec9ec8e663a1e9f6af6e7bd49a1a174e464f
Committing 1 changed transactions to coin database...
SetBestChain: new best=a9bab666600487cc1ade2d4b9575ec9ec8e663a1e9f6af6e7bd49a1a174e464f height=68338 difficulty=8.9893669 log2Work=22.588981 log2ChainWork=36.340793 tx=85194 date=2013-07-20 03:30:37 progress=0.001598
ProcessBlock: ACCEPTED
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
Added 2 addresses from 94.23.192.222: 314 tried, 12205 new
Added 1 addresses from 184.73.83.7: 314 tried, 12205 new
received block 90dcaf0c503b611c7f90f7ad221206f26e5a5293f40cecd6663b417b1ce56500
Committing 1 changed transactions to coin database...
SetBestChain: new best=90dcaf0c503b611c7f90f7ad221206f26e5a5293f40cecd6663b417b1ce56500 height=68339 difficulty=8.989369 log2Work=22.589051 log2ChainWork=36.340898 tx=85195 date=2013-07-20 03:31:41 progress=0.001598
ProcessBlock: ACCEPTED
getblocks -1 to 0000000000000000000000000000000000000000000000000000000000000000 limit 500
Added 1 addresses from 76.118.177.28: 314 tried, 12205 new
What's that is mean all this "getblocks -1 to 00000000000 limit 500"?