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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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