diff --git a/lbry/scripts/time_to_first_byte.py b/lbry/scripts/time_to_first_byte.py index 9abb9fdce..7835ff6a6 100644 --- a/lbry/scripts/time_to_first_byte.py +++ b/lbry/scripts/time_to_first_byte.py @@ -1,43 +1,19 @@ import os +import sys import json import argparse import asyncio -import aiohttp import time +import aiohttp from aiohttp import ClientConnectorError from lbry import __version__ from lbry.blob.blob_file import MAX_BLOB_SIZE from lbry.conf import Config -from lbry.schema.uri import parse_lbry_uri from lbry.extras.daemon.client import daemon_rpc from lbry.extras import system_info -def extract_uris(response): - uris = list() - for key in response: - for value in response[key]: - uris.append(value) - - return uris - - -async def get_frontpage_uris(): - session = aiohttp.ClientSession() - try: - response = await session.get("https://api.lbry.com/file/list_homepage", timeout=10.0) - if response.status != 200: - print("API returned non 200 code!!") - return - body = await response.json() - await session.close() - uris = extract_uris(body['data']['Uris']) - return uris - finally: - await session.close() - - async def report_to_slack(output, webhook): payload = { "text": f"lbrynet {__version__} ({system_info.get_platform()['platform']}) time to first byte:\n{output}" @@ -58,120 +34,119 @@ def variance(times): return round(sum(((i - mean) ** 2.0 for i in times)) / (len(times) - 1), 3) -async def wait_for_done(conf, uri, timeout): - name = uri.split("#")[0] - last_complete = 0 - hang_count = 0 +async def wait_for_done(conf, claim_name, timeout): + blobs_completed, last_completed = 0, time.time() while True: - files = await daemon_rpc(conf, "file_list", claim_name=name) - file = files[0] + file = (await daemon_rpc(conf, "file_list", claim_name=claim_name))[0] if file['status'] in ['finished', 'stopped']: return True, file['blobs_completed'], file['blobs_in_stream'] - if last_complete < int(file['blobs_completed']): - hang_count = 0 - last_complete = int(file['blobs_completed']) - else: - hang_count += 1 - await asyncio.sleep(1.0) - if hang_count > timeout: + elif blobs_completed < int(file['blobs_completed']): + blobs_completed, last_completed = int(file['blobs_completed']), time.time() + elif (time.time() - last_completed) > timeout: return False, file['blobs_completed'], file['blobs_in_stream'] + await asyncio.sleep(1.0) -async def main(uris=None, cmd_args=None): - if not uris: - uris = await get_frontpage_uris() +async def main(cmd_args=None): + print('Time to first byte started using parameters:') + for key, value in vars(cmd_args).items(): + print(f"{key}: {value}") conf = Config() + url_to_claim = {} try: - await daemon_rpc(conf, 'status') + for page in range(1, cmd_args.download_pages + 1): + start = time.time() + response = await daemon_rpc( + conf, 'claim_search', page=page, claim_type='stream', fee_amount=None if cmd_args.allow_fees else 0, + order_by=['trending_global'], no_totals=True + ) + if 'error' in response or not response.get('items'): + print(f'Error getting claim list page {page}:') + print(response) + return 1 + else: + url_to_claim.update({ + claim['permanent_url']: claim for claim in response['items'] + }) + print(f'Claim search page {page} took: {time.time() - start}') except (ClientConnectorError, ConnectionError): print("Could not connect to daemon") return 1 - print(f"Checking {len(uris)} uris from the front page") print("**********************************************") - resolvable = [] - async def __resolve(name): - resolved = await daemon_rpc(conf, 'resolve', urls=[name]) - if 'error' not in resolved.get(name, {}): - if ("fee" not in resolved[name]['claim']['value']) or cmd_args.allow_fees: - resolvable.append(name) - else: - print(f"{name} has a fee, skipping it") - else: - print(f"failed to resolve {name}: {resolved[name]['error']}") - await asyncio.gather(*(__resolve(name) for name in uris)) - print(f"attempting to download {len(resolvable)}/{len(uris)} frontpage streams") + print(f"Attempting to download {len(url_to_claim)} claim_search streams") first_byte_times = [] download_speeds = [] download_successes = [] - failed_to_start = [] - download_failures = [] + failed_to = {} - for uri in resolvable: - await daemon_rpc(conf, 'file_delete', delete_from_download_dir=True, claim_name=parse_lbry_uri(uri).name) + await asyncio.gather(*( + daemon_rpc(conf, 'file_delete', delete_from_download_dir=True, claim_name=claim['name']) + for claim in url_to_claim.values() if not cmd_args.keep_files + )) - for i, uri in enumerate(resolvable): + for i, (url, claim) in enumerate(url_to_claim.items()): start = time.time() - try: - await daemon_rpc(conf, 'get', uri=uri, save_file=True) - first_byte = time.time() - first_byte_times.append(first_byte - start) - print(f"{i + 1}/{len(resolvable)} - {first_byte - start} {uri}") - if not cmd_args.head_blob_only: - downloaded, amount_downloaded, blobs_in_stream = await wait_for_done( - conf, uri, cmd_args.stall_download_timeout - ) - if downloaded: - download_successes.append(uri) - else: - download_failures.append(uri) - mbs = round((blobs_in_stream * (MAX_BLOB_SIZE - 1)) / (time.time() - start) / 1000000, 2) - download_speeds.append(mbs) - print(f"downloaded {amount_downloaded}/{blobs_in_stream} blobs for {uri} at " - f"{mbs}mb/s") - except Exception as e: - print(f"{i + 1}/{len(uris)} - failed to start {uri}: {e}") - failed_to_start.append(uri) + response = await daemon_rpc(conf, 'get', uri=url, save_file=not cmd_args.head_blob_only) + if 'error' in response: + print(f"{i + 1}/{len(url_to_claim)} - failed to start {url}: {response['error']}") + failed_to[url] = 'start' if cmd_args.exit_on_error: return - if cmd_args.delete_after_download or cmd_args.head_blob_only: - await daemon_rpc(conf, 'file_delete', delete_from_download_dir=True, claim_name=parse_lbry_uri(uri).name) + continue + first_byte = time.time() + first_byte_times.append(first_byte - start) + print(f"{i + 1}/{len(url_to_claim)} - {first_byte - start} {url}") + if not cmd_args.head_blob_only: + downloaded, amount_downloaded, blobs_in_stream = await wait_for_done( + conf, claim['name'], cmd_args.stall_download_timeout + ) + if downloaded: + download_successes.append(url) + else: + failed_to[url] = 'finish' + mbs = round((blobs_in_stream * (MAX_BLOB_SIZE - 1)) / (time.time() - start) / 1000000, 2) + download_speeds.append(mbs) + print(f"downloaded {amount_downloaded}/{blobs_in_stream} blobs for {url} at " + f"{mbs}mb/s") + if not cmd_args.keep_files: + await daemon_rpc(conf, 'file_delete', delete_from_download_dir=True, claim_name=claim['name']) await asyncio.sleep(0.1) print("**********************************************") - result = f"Started {len(first_byte_times)} of {len(resolvable)} attempted front page streams\n" \ - f"Worst first byte time: {round(max(first_byte_times), 2)}\n" \ - f"Best first byte time: {round(min(first_byte_times), 2)}\n" \ - f"95% confidence time-to-first-byte: {confidence(first_byte_times, 1.984)}s\n" \ - f"99% confidence time-to-first-byte: {confidence(first_byte_times, 2.626)}s\n" \ - f"Variance: {variance(first_byte_times)}\n" - if not cmd_args.head_blob_only: - result += f"Downloaded {len(download_successes)}/{len(resolvable)}\n" \ + result = f"Started {len(first_byte_times)} of {len(url_to_claim)} attempted front page streams\n" + if first_byte_times: + result += f"Worst first byte time: {round(max(first_byte_times), 2)}\n" \ + f"Best first byte time: {round(min(first_byte_times), 2)}\n" \ + f"95% confidence time-to-first-byte: {confidence(first_byte_times, 1.984)}s\n" \ + f"99% confidence time-to-first-byte: {confidence(first_byte_times, 2.626)}s\n" \ + f"Variance: {variance(first_byte_times)}\n" + if download_successes: + result += f"Downloaded {len(download_successes)}/{len(url_to_claim)}\n" \ f"Best stream download speed: {round(max(download_speeds), 2)}mb/s\n" \ f"Worst stream download speed: {round(min(download_speeds), 2)}mb/s\n" \ f"95% confidence download speed: {confidence(download_speeds, 1.984, False)}mb/s\n" \ f"99% confidence download speed: {confidence(download_speeds, 2.626, False)}mb/s\n" - if failed_to_start: - result += "\nFailed to start:" + "\n".join([f for f in failed_to_start]) - if download_failures: - result += "\nFailed to finish:" + "\n".join([f for f in download_failures]) + for reason in ('start', 'finish'): + failures = [url for url, why in failed_to.items() if reason == why] + if failures: + result += f"\nFailed to {reason}:\n" + "\n".join(failures) print(result) webhook = os.environ.get('TTFB_SLACK_TOKEN', None) if webhook: await report_to_slack(result, webhook) + return 0 if __name__ == "__main__": parser = argparse.ArgumentParser() - #parser.add_argument("--data_dir") - #parser.add_argument("--wallet_dir") - #parser.add_argument("--download_directory") parser.add_argument("--allow_fees", action='store_true') parser.add_argument("--exit_on_error", action='store_true') - parser.add_argument("--stall_download_timeout", default=10, type=int) - parser.add_argument("--delete_after_download", action='store_true') + parser.add_argument("--stall_download_timeout", default=0, type=int) + parser.add_argument("--keep_files", action='store_true') parser.add_argument("--head_blob_only", action='store_true') - asyncio.run(main(cmd_args=parser.parse_args())) + parser.add_argument("--download_pages", type=int, default=10) + sys.exit(asyncio.run(main(cmd_args=parser.parse_args())) or 0)