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[Chu Duc Minh <chu.ducminh@xxxxxxxxx>]

All operations in my Openstack dashboard very slow (compare to my old
Openstack deployment)
Then i do some check on an instance:

$ time curl http://169.254.169.254/openstack
2012-08-10
2013-04-04
latest
real    0m*5.605s*
user    0m0.004s
sys    0m0.004s

5 seconds for a simple API query !??


in quantum-ns-metadata-proxyxxxx.log, i saw:
2013-07-25 *17:17:09  *  DEBUG [quantum.agent.metadata.namespace_proxy]
Request: GET /openstack HTTP/1.0
Accept: */*
Content-Type: text/plain
Host: 169.254.169.254
User-Agent: curl/7.22.0 (x86_64-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1
zlib/1.2.3.4 libidn/1.23 librtmp/2.3
2013-07-25 *17:17:14*    DEBUG [quantum.agent.metadata.namespace_proxy]
{'date': 'Thu, 25 Jul 2013 10:17:14 GMT', 'status': '200',
'content-length': '28', 'content-type': 'text/html; charset=UTF-8',
'content-location': u'http://169.254.169.254/openstack'}
2013-07-25 17:17:14    DEBUG [quantum.agent.metadata.namespace_proxy]
2012-08-10
2013-04-04
latest

I take a look at metadata-agent.log, and saw almost request/response
finished @*17:17:09
*
But the last finished *@**17:17:14
*2013-07-25 *17:17:14*    DEBUG [quantum.agent.metadata.agent] {'date':
'Thu, 25 Jul 2013 10:17:14 GMT', 'status': '200', 'content-length': '28',
'content-type': 'text/html; charset=UTF-8', 'content-location': u'
http://172.30.1.14:8775/openstack'}
*
*
I enabled slow query log on MySql, but can't find any slow query.

Do you know possible problems in this situation?
Thank you very much!