[Openstack] Download file from swift extremely slow

wawayu dongjh at ahope.com.cn
Thu Jan 5 00:40:05 UTC 2017


Hello,

No chance to overhead,it is just an test environment,no one use it yet. 
------------------ Original ------------------
From: "Nasir Mahmood"<nasir.mahmood at gmail.com>
Date: Thu, Jan 5, 2017 01:51 AM
To: "Clay Gerrard"<clay.gerrard at gmail.com>;
Cc: "openstack"<openstack at lists.openstack.org>;"dongjh at ahope.com.cn"<dongjh at ahope.com.cn>;
Subject: Re: [Openstack] Download file from swift extremely slow


Iuppose your auth real isnt overloaded?

On Jan 4, 2017 22:35, "Clay Gerrard" <clay.gerrard at gmail.com> wrote:
Can you you find the transaction-id of the GET request for the download in the logs and inspect the object-server response?&#xA0; Can you duplicate the results with any other client (e.g. web browser, curl, python-swiftclient, etc)?

-Clay


On Wed, Jan 4, 2017 at 12:59 AM, dongjh at ahope.com.cn <dongjh at ahope.com.cn> wrote:
 Hi experts


I finished the swift installation following the install guide(http://docs.openstack.org/project-install-guide/object-storage/draft/get_started.html), file&#xA0;upload&#xA0;&#xA0;is very fast, but file download is extremely slow, why ?


[root at controller&#xA0;admin]#&#xA0;time&#xA0;openstack&#xA0;object&#xA0;create&#xA0;container1&#xA0;cirros-0.3.4-x86_64-disk.img
+------------------------------+------------+----------------------------------+
|&#xA0;object&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;|&#xA0;container&#xA0;&#xA0;|&#xA0;etag&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;|
+------------------------------+------------+----------------------------------+
|&#xA0;cirros-0.3.4-x86_64-disk.img&#xA0;|&#xA0;container1&#xA0;|&#xA0;ee1eca47dc88f4879d8a229cc70a07c6&#xA0;|
+------------------------------+------------+----------------------------------+

real&#xA0;&#xA0;&#xA0;&#xA0;0m3.807s
user&#xA0;&#xA0;&#xA0;&#xA0;0m2.127s
sys&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;0m0.161s





[root at controller&#xA0;/]#&#xA0;time&#xA0;&#xA0;openstack&#xA0;object&#xA0;save&#xA0;container1&#xA0;cirros-0.3.4-x86_64-disk.img
real&#xA0;&#xA0;&#xA0;&#xA0;5m51.489s
user&#xA0;&#xA0;&#xA0;&#xA0;5m48.172s
sys&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;0m2.094s

 


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