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在 2014年12月18日 17:33, Chen CH Ji 写道:
>
> AFAIK, quota will expire in 24 hours
>
> cfg.IntOpt('reservation_expire',
>                default=86400,
>                help='Number of seconds until a reservation expires'),
>
> Best Regards!
>
hi Kevin,
but that is not reliable,  user/op can change the default value.
shall we just leave as the quota reservation there can do not 
commit/rollback ?
I don't think there will be much more we can do.
>
>
> Kevin (Chen) Ji 纪 晨
>
> Engineer, zVM Development, CSTL
> Notes: Chen CH Ji/China/IBM at IBMCN   Internet: jichenjc at cn.ibm.com
> Phone: +86-10-82454158
> Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian 
> District, Beijing 100193, PRC
>
> Inactive hide details for "Eli Qiao(Li Yong Qiao)" ---12/18/2014 
> 04:34:32 PM---hi all, can anyone tell if we call quotas.reserv"Eli 
> Qiao(Li Yong Qiao)" ---12/18/2014 04:34:32 PM---hi all, can anyone 
> tell if we call quotas.reserve() but never call
>
> From: "Eli Qiao(Li Yong Qiao)" <taget at linux.vnet.ibm.com>
> To: "OpenStack Development Mailing List (not for usage questions)" 
> <openstack-dev at lists.openstack.org>
> Date: 12/18/2014 04:34 PM
> Subject: [openstack-dev] [nova][resend with correct subject prefix] 
> ask for usage of quota reserve
>
> ------------------------------------------------------------------------
>
>
>
> hi all,
> can anyone tell if we call quotas.reserve() but never call 
> quotas.commit() or quotas.rollback().
> what will happen?
>
> for example:
>
>     1. when doing resize, we call quotas.reserve() to reservea a delta
>     quota.(new_flavor - old_flavor)
>     2. for some reasons, nova-compute crashed, and not chance to call
>     quotas.commit() or quotas.rollback() /(called by finish_resize in
>     nova/compute/manager.py)/
>     3. next time restart nova-compute server, is the delta quota still
>     reserved , or do we need any other operation on quotas? 
>
>
> Thanks in advance
> -Eli.
>
> ps: this is related to patch : Handle RESIZE_PREP status when nova 
> compute do init_instance(_https://review.openstack.org/#/c/132827/)_ 
> <https://review.openstack.org/#/c/132827/>
>
> -- 
> Thanks Eli Qiao(_qiaoly at cn.ibm.com_ 
> <mailto:qiaoly at cn.ibm.com>)_______________________________________________
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>
>
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-- 
Thanks,
Eli (Li Yong) Qiao

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