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mirror of https://github.com/searxng/searxng.git synced 2024-11-22 04:01:40 +01:00

[mod] /image_proxy: use HTTP/1 instead of HTTP/2

httpx: HTTP/2 is slow when a lot data is downloaded.
https://github.com/dalf/pyhttp-benchmark

also, the usage of HTTP/1 decreases the load average
This commit is contained in:
Alexandre Flament 2021-08-14 20:12:11 +02:00
parent 43fcaa642a
commit 3b0f70ed0f
2 changed files with 11 additions and 5 deletions

View File

@ -289,6 +289,14 @@ def initialize(settings_engines=None, settings_outgoing=None):
if isinstance(network, str):
NETWORKS[engine_name] = NETWORKS[network]
# the /image_proxy endpoint has a dedicated network.
# same parameters than the default network, but HTTP/2 is disabled.
# It decreases the CPU load average, and the total time is more or less the same
if 'image_proxy' not in NETWORKS:
image_proxy_params = default_params.copy()
image_proxy_params['enable_http2'] = False
NETWORKS['image_proxy'] = new_network(image_proxy_params)
@atexit.register
def done():

View File

@ -108,7 +108,7 @@ from searx.autocomplete import search_autocomplete, backends as autocomplete_bac
from searx.languages import language_codes as languages
from searx.locales import LOCALE_NAMES, UI_LOCALE_CODES, RTL_LOCALES
from searx.search import SearchWithPlugins, initialize as search_initialize
from searx.network import stream as http_stream
from searx.network import stream as http_stream, set_context_network_name
from searx.search.checker import get_result as checker_get_result
from searx.settings_loader import get_default_settings_path
@ -1086,13 +1086,11 @@ def image_proxy():
'Sec-GPC': '1',
'DNT': '1',
}
set_context_network_name('image_proxy')
stream = http_stream(
method = 'GET',
url = url,
headers = request_headers,
timeout = settings['outgoing']['request_timeout'],
allow_redirects = True,
max_redirects = 20
headers = request_headers
)
resp = next(stream)
content_length = resp.headers.get('Content-Length')