Re: RADOS Gateway quota management

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Hi,

Thank you for your answer! Meanwhile I did some investigations and found the reason: quota works on PUTs perfectly, but there are no checks on POSTs. I've made a pull-request: https://github.com/ceph/ceph/pull/4240

2015-04-02 18:40 GMT+03:00 Yehuda Sadeh-Weinraub <yehuda@xxxxxxxxxx>:



From: "Sergey Arkhipov" <sarkhipov@xxxxxxxx>
To: ceph-users@xxxxxxxxxxxxxx
Sent: Monday, March 30, 2015 2:55:33 AM
Subject: RADOS Gateway quota management


Hi,

Currently I am trying to figure out how to work with RADOS Gateway (ceph 0.87) limits and I've managed to produce such strange behavior:

{ "bucket": "test1-8",
  "pool": ".rgw.buckets",
  "index_pool": ".rgw.buckets.index",
  "id": "default.17497.14",
  "marker": "default.17497.14",
  "owner": "cb254310-8b24-4622-93fb-640ca4a45998",
  "ver": 21,
  "master_ver": 0,
  "mtime": 1427705802,
  "max_marker": "",
  "usage": { "rgw.main": { "size_kb": 16000,
          "size_kb_actual": 16020,
          "num_objects": 9}},
  "bucket_quota": { "enabled": true,
      "max_size_kb": -1,
      "max_objects": 3}}


Steps to reproduce: create bucket, set quota like that (max_objects = 3 and enable) and successfully upload 9 files. User quota is also defined:

  "bucket_quota": { "enabled": true,
      "max_size_kb": -1,
      "max_objects": 3},
  "user_quota": { "enabled": true,
      "max_size_kb": 1048576,
      "max_objects": 5},


Could someone please help me to understand how to limit users?

--
The question is whether the user is able to continue writing objects at this point. The quota system is working asynchronously, so it's possible to get into edge cases where users exceeded it a bit (it looks a whole lot better with larger numbers). The question is whether it's working for you at all.

Yehuda



--
Sergey Arkhipov
Software Engineer, ASD Technologies
Phone: +7 920 018 9404
Skype: serge.arkhipov
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