:: Re: [Libbitcoin] Syncing a version …
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Skribent: Kobi Gurkan
Dato:  
Til: mlmikael
CC: libbitcoin
Nye-emner: [Libbitcoin] libbitcoin server update [was: Syncing a version 2 server]
Emne: Re: [Libbitcoin] Syncing a version 2 server



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    Mimikael,


    Thanks - I eventually gave up on version2 and currently I'm syncing
    with master with checkpoints in the config which sped it up
    enormously.

    Apart from Merkle Root Mismatch on block 322670, on which I just
    started version2 again to get through, and then master again, it
    works pretty great!


    Kobi


On 19/12/15 20:33, mlmikael wrote:

Kobi,


      Short answer: Wait until January



      Long answer: Version2 has an "off-by-1" bug that will eat all your
      memory and crash the backend. Therefore the current best practice
      is to put an "ulimit" on total RAM (e.g. to 800MB) as well as do
      restarts continuously - I don't know - every 1 minute?? 10
      seconds?



      For the interim, would you mind trying the workaround behavior
      mentioned here and let us know your results?



      Cheers,


      Mlmikael



      On 2015-12-19 04:36, Kobi Gurkan wrote:


Hi,


         I'm using the latest stable release (version 2) of
        libbitcoin-server,


        and I find that it takes about 30-60 seconds per block since
        around


        block 273038.


         Is it realistic to sync version 2 right now? Maybe I should
        improve


        the specs of my machine?



         I know that Eric has been working on headers-first sync, but I
        would


        like to use a stable release.



         Kobi



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