mirror of
https://github.com/bigchaindb/bigchaindb.git
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241aae335d
Solution: parallelize the validation of transactions. This patch adds a new flag for the `start` command, namely `--experimental-parallel-validation`, that can be used to enable this experimental feature.
79 lines
3.3 KiB
Python
79 lines
3.3 KiB
Python
# Copyright BigchainDB GmbH and BigchainDB contributors
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# SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
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# Code is Apache-2.0 and docs are CC-BY-4.0
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import logging
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import setproctitle
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import bigchaindb
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from bigchaindb.lib import BigchainDB
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from bigchaindb.core import App
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from bigchaindb.parallel_validation import ParallelValidationApp
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from bigchaindb.web import server, websocket_server
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from bigchaindb.events import Exchange, EventTypes
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from bigchaindb.utils import Process
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logger = logging.getLogger(__name__)
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BANNER = """
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****************************************************************************
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* *
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* ┏┓ ╻┏━╸┏━╸╻ ╻┏━┓╻┏┓╻╺┳┓┏┓ ┏━┓ ┏━┓ ╺┳┓┏━╸╻ ╻ *
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* ┣┻┓┃┃╺┓┃ ┣━┫┣━┫┃┃┗┫ ┃┃┣┻┓ ┏━┛ ┃┃┃ ┃┃┣╸ ┃┏┛ *
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* ┗━┛╹┗━┛┗━╸╹ ╹╹ ╹╹╹ ╹╺┻┛┗━┛ ┗━╸╹┗━┛╹╺┻┛┗━╸┗┛ *
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* codename "fluffy cat" *
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* Initialization complete. BigchainDB Server is ready and waiting. *
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* *
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* You can send HTTP requests via the HTTP API documented in the *
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* BigchainDB Server docs at: *
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* https://bigchaindb.com/http-api *
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* *
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* Listening to client connections on: {:<15} *
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* *
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****************************************************************************
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"""
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def start(args):
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# Exchange object for event stream api
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logger.info('Starting BigchainDB')
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exchange = Exchange()
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# start the web api
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app_server = server.create_server(
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settings=bigchaindb.config['server'],
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log_config=bigchaindb.config['log'],
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bigchaindb_factory=BigchainDB)
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p_webapi = Process(name='bigchaindb_webapi', target=app_server.run, daemon=True)
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p_webapi.start()
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logger.info(BANNER.format(bigchaindb.config['server']['bind']))
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# start websocket server
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p_websocket_server = Process(name='bigchaindb_ws',
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target=websocket_server.start,
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daemon=True,
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args=(exchange.get_subscriber_queue(EventTypes.BLOCK_VALID),))
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p_websocket_server.start()
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p_exchange = Process(name='bigchaindb_exchange', target=exchange.run, daemon=True)
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p_exchange.start()
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# We need to import this after spawning the web server
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# because import ABCIServer will monkeypatch all sockets
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# for gevent.
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from abci import ABCIServer
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setproctitle.setproctitle('bigchaindb')
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# Start the ABCIServer
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if args.experimental_parallel_validation:
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app = ABCIServer(app=ParallelValidationApp(events_queue=exchange.get_publisher_queue()))
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else:
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app = ABCIServer(app=App(events_queue=exchange.get_publisher_queue()))
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app.run()
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if __name__ == '__main__':
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start()
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