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python aiohttp slow response time

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1

I am using the aiohttp client session to retrieve webpage asynchronously.

async def fetch(session, url):
 #async with session.get(url) as response:
 async with getattr(session,"get")(url) as response:
 return await response.text()


 async with aiohttp.ClientSession() as session: # call 5
 html = await fetch(session, 'http://localhost:8081')

There are other async methods to prepare the data and massage the data.

The response is very slow. Enabled the async logging. It shows:

Getting address info localhost:8081, type=
took 5016.262 ms: [(,
, 6, '',

Why does it take 5016ms?

python-3.x python-asyncio aiohttp

share|improve this question

asked Mar 23 at 2:32

rickcouprickcoup

140115

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  try $ pip install aiodns
  
  – Andriy Maletsky
  Mar 23 at 8:29
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Try to make request using requests or urllib3. Is result the same?
  
  – Mikhail Gerasimov
  Mar 23 at 12:28
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @MikhailGerasimov it's much faster in a single request. But the concern is if it's under load, it would be slower.
  
  – rickcoup
  Mar 23 at 14:36
  

  
  
  
  

add a comment | 

1

I am using the aiohttp client session to retrieve webpage asynchronously.

async def fetch(session, url):
 #async with session.get(url) as response:
 async with getattr(session,"get")(url) as response:
 return await response.text()


 async with aiohttp.ClientSession() as session: # call 5
 html = await fetch(session, 'http://localhost:8081')

There are other async methods to prepare the data and massage the data.

The response is very slow. Enabled the async logging. It shows:

Getting address info localhost:8081, type=
took 5016.262 ms: [(,
, 6, '',

Why does it take 5016ms?

python-3.x python-asyncio aiohttp

share|improve this question

asked Mar 23 at 2:32

rickcouprickcoup

140115

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  try $ pip install aiodns
  
  – Andriy Maletsky
  Mar 23 at 8:29
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Try to make request using requests or urllib3. Is result the same?
  
  – Mikhail Gerasimov
  Mar 23 at 12:28
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @MikhailGerasimov it's much faster in a single request. But the concern is if it's under load, it would be slower.
  
  – rickcoup
  Mar 23 at 14:36
  

  
  
  
  

add a comment | 

I am using the aiohttp client session to retrieve webpage asynchronously.

async def fetch(session, url):
 #async with session.get(url) as response:
 async with getattr(session,"get")(url) as response:
 return await response.text()


 async with aiohttp.ClientSession() as session: # call 5
 html = await fetch(session, 'http://localhost:8081')

There are other async methods to prepare the data and massage the data.

The response is very slow. Enabled the async logging. It shows:

Getting address info localhost:8081, type=
took 5016.262 ms: [(,
, 6, '',

Why does it take 5016ms?

python-3.x python-asyncio aiohttp

share|improve this question

asked Mar 23 at 2:32

rickcouprickcoup

140115

async def fetch(session, url):
 #async with session.get(url) as response:
 async with getattr(session,"get")(url) as response:
 return await response.text()


 async with aiohttp.ClientSession() as session: # call 5
 html = await fetch(session, 'http://localhost:8081')

share|improve this question

asked Mar 23 at 2:32

rickcouprickcoup

140115

share|improve this question

asked Mar 23 at 2:32

rickcouprickcoup

140115

asked Mar 23 at 2:32

rickcouprickcoup

140115

asked Mar 23 at 2:32

rickcouprickcoup

140115