[Openstack] Download file from swift extremely slow

dongjh at ahope.com.cn dongjh at ahope.com.cn
Thu Jan 5 02:44:52 UTC 2017


[root at controller ~]# free -m
              total        used        free      shared  buff/cache   available
Mem:          31939        8847       22108          16         984       22656
Swap:         16379           0       16379



=========================================
董 建 华
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From: Nasir Mahmood
Date: 2017-01-05 01:51
To: Clay Gerrard
CC: openstack; dongjh at ahope.com.cn
Subject: Re: [Openstack] Download file from swift extremely slow
I suppose your auth realm isnt overloaded? 

On Jan 4, 2017 22:50, wrote:
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?  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 upload  is very fast, but file download is extremely slow, why ?

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

real    0m3.807s
user    0m2.127s
sys     0m0.161s


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



=========================================
董 建 华
地址:杭州滨江区南环路3766号新世纪办公楼
邮编:310053
手机:13857132818
总机:0571-28996000
传真:0571-28996001
热线:4006728686
网址:www.ahope.com.cn
Email:dongjh at ahope.com.cn

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