[TestNet] Sync using current master (6412e735) stalled for hours

[Gandalf-the-Grey]

While syncing with current instance of testnet (
It stays on:

  "head_block_number": 100827,
  "head_block_id": "000189db42e04ea975e12cd3d34f15b69cf74bde",
  "time": "2020-02-05T18:07:39",
  "current_witness": "init-0",

for hours with CPU being used all the time.

[Gandalf-the-Grey]

Possibly duplicate of #3589 except that for my case (non-MIRA) it seems to take at least 12 hours (I wasn't patient enough to keep it running for a longer time)

[mvandeberg]

Can you run it again and profile to see where it is spending time?

[Gandalf-the-Grey]

Sure :-)

steem::plugins::chain::detail::chain_plugin_impl::start_write_processing()::{lambda()#1}::operator()() const
                                    |
                                    |
                                   \|/
bool boost::lockfree::queue<steem::plugins::chain::write_context*>::pop<steem::plugins::chain::write_context*>(steem::plugins::chain::write_context*&)

[mvandeberg]

master has serialization changes not present on the public testnet. It will work when the testnet is redeployed.