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From "Ilia Shakitko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-962) CloudStack usage server don't store data to cloud_usage.cloud_usage correctly
Date Fri, 11 Jan 2013 15:30:15 GMT
Ilia Shakitko created CLOUDSTACK-962:
----------------------------------------

             Summary: CloudStack usage server don't store data to cloud_usage.cloud_usage
correctly
                 Key: CLOUDSTACK-962
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-962
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Usage
    Affects Versions: 4.0.0
            Reporter: Ilia Shakitko


We have found strange behavior of CloudStack usage server.

There are two global settings values:
usage.stats.job.aggregation.range 1440
usage.stats.job.exec.time             00:15

Here I will describe how we had determined this problem.
9th of January we‘ve generated some traffic, like 10Gb. But 10th of January we didn’t
saw records with amount of traffic in cloud_usage.cloud_usage. And we got this values in cloud_usage
db only at 11th.

Looks like it works like as written below:

---------January---------------------------------9th----------------10th--------------11th----------12th-----------
(traffic generetad  )                          10Gb              2,5Gb            5Gb    
     …
(traffic stored in  usage_db)               0                    0                 10Gb  
     12,5Gb           …


We changed the value 'usage.stats.job.aggregation.range' to 10 minutes to have more tests.
Here's what we got:

---------Timeline--------------------------------10:00--------------10:10------------10:20--------10:30--------10:40
(traffic generetad  )                          5Gb                 0                  2,5Gb
      0               0
(traffic stored in  usage_db)               0                    0                  5Gb  
       5Gb           7,5Gb


My colleague Wei Zhou will adds more comments with what we found in CloudStack source and
solution for it.

Will keep updated information about tests and additional info in this thread.

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