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    Hi there<br>
    <br>
    I'm facing a strange ceilometer-api behavior. While I can query
    ceilometer-api for "meter-list"/"sample-list" (or even openstack
    usage show) very fast, it looks like ceilometer cli (or api)
    struggles with "ceilometer statistics" gettting always a timeout<br>
    <br>
    <font size="-2">[user1@ubuntu ~]$ ceilometer statistics -q
      "project=6294315f9df1491fa9345701d2642c96;timestamp>2016-06-20T14:30"
      -m vcpus --period 60<br>
      b'Gateway Timeout (HTTP 504)'</font><br>
    <br>
    Would you happen to know why? Any idea/clue?<br>
    <br>
    Thanks.<br>
    J<br>
    <br>
    <font size="-2">[user1@ubuntu ~]$ time openstack usage show<br>
      Usage from 2016-06-02 to 2016-07-01 on project
      6294315f9df1491fa9345701d2642c96: <br>
      +---------------+-----------+<br>
      | Field         | Value     |<br>
      +---------------+-----------+<br>
      | CPU Hours     | 164.21    |<br>
      | Disk GB-Hours | 16420.51  |<br>
      | RAM MB-Hours  | 168146.07 |<br>
      | Servers       | 1         |<br>
      +---------------+-----------+<br>
      real    0m2.204s<br>
      user    0m1.490s<br>
      sys    0m0.113s<br>
      <br>
      <br>
      <br>
      <br>
      [user1@ubuntu ~]$ time ceilometer meter-list<br>
+---------------------------------+------------+-----------+-----------------------------------------------------------------------+----------------------------------+----------------------------------+<br>
      | Name                            | Type       | Unit      |
      Resource
      ID                                                           |
      User ID                          | Project
      ID                       |<br>
+---------------------------------+------------+-----------+-----------------------------------------------------------------------+----------------------------------+----------------------------------+<br>
      | cpu                             | cumulative | ns        |
      5c305833-fbd2-44cb-b517-789641c2a5db                                 
      | eb12445c73ae4093b7c7105ebe3f1216 |
      6294315f9df1491fa9345701d2642c96 |<br>
      | cpu.delta                       | delta      | ns        |
      5c305833-fbd2-44cb-b517-789641c2a5db                                 
      | eb12445c73ae4093b7c7105ebe3f1216 |
      6294315f9df1491fa9345701d2642c96 |<br>
      .............<br>
      | vcpus                           | gauge      | vcpu      |
      5c305833-fbd2-44cb-b517-789641c2a5db                                 
      | eb12445c73ae4093b7c7105ebe3f1216 |
      6294315f9df1491fa9345701d2642c96 |<br>
+---------------------------------+------------+-----------+-----------------------------------------------------------------------+----------------------------------+----------------------------------+<br>
      <br>
      real    0m2.088s<br>
      user    0m0.897s<br>
      sys    0m0.057s<br>
      <br>
      <br>
      <br>
      <br>
      [user1@ubuntu ~]$ time ceilometer sample-list -q
      "timestamp>2016-06-1T00:00"<br>
+--------------------------------------+-----------------------------------------------------------------------+---------------------------------+------------+------------------------+-----------+----------------------------+<br>
      | ID                                   | Resource
      ID                                                           |
      Name                            | Type       |
      Volume                 | Unit      | Timestamp                  |<br>
+--------------------------------------+-----------------------------------------------------------------------+---------------------------------+------------+------------------------+-----------+----------------------------+<br>
      | e81ed112-3e99-11e6-b12c-52540086048d |
      6294315f9df1491fa9345701d2642c96                                     
      | storage.objects.containers      | gauge      |
      0.0                    | container | 2016-06-30T08:09:02.663000 |<br>
      ......<br>
      | 9b50bb52-3e99-11e6-90d4-52540086048d |
      instance-000002d6-5c305833-fbd2-44cb-b517-789641c2a5db-tapdefa1d28-b5
      | network.outgoing.packets.gb     | cumulative |
      2.654269337654114e-07  | gb        | 2016-06-30T08:06:53.700000 |<br>
+--------------------------------------+-----------------------------------------------------------------------+---------------------------------+------------+------------------------+-----------+----------------------------+<br>
      <br>
      real    0m2.373s<br>
      user    0m0.977s<br>
      sys    0m0.073s</font><br>
    <br>
    <br>
    <br>
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