Re: [openstack-dev] [nova][resend with correct subject prefix] ask for usage of quota reserve

2014-12-21 Thread Eli Qiao 


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@IBMCN   Internet: jiche...@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.reservEli 
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) ta...@linux.vnet.ibm.com
To: OpenStack Development Mailing List (not for usage questions) 
openstack-dev@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/


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Re: [openstack-dev] [nova][resend with correct subject prefix] ask for usage of quota reserve

2014-12-21 Thread Chen CH Ji 
I used to submit a patch and retrieve the reservation of quota, got a -2
because it can expire :)

so, I guess expire do no harm unless the uncommitted / unrollbacked
reservation may occupy the quota
and lead to side effect on upcoming actions...

Best Regards!

Kevin (Chen) Ji 纪 晨

Engineer, zVM Development, CSTL
Notes: Chen CH Ji/China/IBM@IBMCN   Internet: jiche...@cn.ibm.com
Phone: +86-10-82454158
Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District,
Beijing 100193, PRC



From:   Eli Qiao ta...@linux.vnet.ibm.com
To: OpenStack Development Mailing List (not for usage questions)
openstack-dev@lists.openstack.org
Date:   12/22/2014 11:37 AM
Subject:Re: [openstack-dev] [nova][resend with correct subject prefix]
ask for usage of quota reserve




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@IBMCN   Internet: jiche...@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.reservEli 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) ta...@linux.vnet.ibm.com
  To: OpenStack Development Mailing List (not for usage questions)
  openstack-dev@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/)


  --
  Thanks Eli Qiao(qia...@cn.ibm.com)
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  OpenStack-dev@lists.openstack.org
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Re: [openstack-dev] [nova][resend with correct subject prefix] ask for usage of quota reserve

2014-12-18 Thread Chen CH Ji 
AFAIK, quota will expire in 24 hours

cfg.IntOpt('reservation_expire',
   default=86400,
   help='Number of seconds until a reservation expires'),

Best Regards!

Kevin (Chen) Ji 纪 晨

Engineer, zVM Development, CSTL
Notes: Chen CH Ji/China/IBM@IBMCN   Internet: jiche...@cn.ibm.com
Phone: +86-10-82454158
Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District,
Beijing 100193, PRC



From:   Eli Qiao(Li Yong Qiao) ta...@linux.vnet.ibm.com
To: OpenStack Development Mailing List (not for usage questions)
openstack-dev@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/)


--
Thanks Eli Qiao(qia...@cn.ibm.com)
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