[
http://jira.amdatu.org/jira/browse/AMDATU-254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=10653#comment-10653
]
Ivo Ladage - van Doorn commented on AMDATU-254:
-----------------------------------------------
Configured two Cassandra nodes, both running on Linux. First node started with
auto_bootstrap false, then started second node with auto_bootstrap true.
Observations:
- Booting the second node takes several minutes, as the auto_bootstrap doesn't
seem to do much more then a 90 seconds sleep + 30 seconds sleep.
- No errors anymore. After booting the second node, no data is missing.
- HOWEVER. Data is not missing, but is moved from one CF to another.
Administrator user has been moved from Role CF to GadgetCategory (????!!!!!!)
> When a new cassandra node comes available in the cluster, random data is
> removed from the Role ColumnFamily
> -----------------------------------------------------------------------------------------------------------
>
> Key: AMDATU-254
> URL: http://jira.amdatu.org/jira/browse/AMDATU-254
> Project: Amdatu
> Issue Type: Bug
> Components: Amdatu Cassandra
> Affects Versions: 0.1.0
> Reporter: Ivo Ladage - van Doorn
> Assignee: Ivo Ladage - van Doorn
> Fix For: 0.1.0
>
>
> The following use case causes random data to disappear from the cassandra
> storage:
> - Start a node in the cassandra cluster with replication factor 1
> - Start another node in the cassandra cluste, also with replication factor 1
> Now apparently, bringing up the second node in the cluster causes random data
> to be removed from the Role ColumnFamily. After bringing up the first node,
> these are the row keys available in the CF 'Role';
> (1) user_marior
> (2) user_janed
> (3) group_Parent
> (4) user_melissad
> (5) group_Student
> (6) group_Administrators
> (7) user_georged
> (8) user_tedb
> (9) group_Teacher
> (10) user_elisad
> (11) user_Administrator
> (12) user_maijam
> (13) user_johnd
> After booting the second node, random data disappeared:
> (1) user_marior
> (2) group_Teacher
> (3) user_elisad
> (4) user_Administrator
> (5) user_maijam
> (6) user_johnd
> the result is different every time you try it. Also, when I stop node 2,
> clean its cassandra database and start it again, more data is missing.
--
This message is automatically generated by JIRA.
-
For more information on JIRA, see: http://www.atlassian.com/software/jira
