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Posted to dev@atlas.apache.org by "Ashutosh Mestry (JIRA)" <ji...@apache.org> on 2018/05/07 21:02:00 UTC
[jira] [Updated] (ATLAS-2652) Data Migration: Export: Type
Definition Fails to Export in HA Mode
[ https://issues.apache.org/jira/browse/ATLAS-2652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ashutosh Mestry updated ATLAS-2652:
-----------------------------------
Fix Version/s: trunk
> Data Migration: Export: Type Definition Fails to Export in HA Mode
> ------------------------------------------------------------------
>
> Key: ATLAS-2652
> URL: https://issues.apache.org/jira/browse/ATLAS-2652
> Project: Atlas
> Issue Type: Bug
> Components: atlas-core
> Affects Versions: 0.8.2
> Reporter: Ashutosh Mestry
> Assignee: Ashutosh Mestry
> Priority: Major
> Fix For: trunk, 0.8.2
>
>
> *Pre-requisites*
> Setup a multi-node cluster such that high availability (HA) mode is enabled. This will mean that Atlas server is present on more than 1 node.
> In _atlas-application.properties_, note that the _atlas.server.ha.enabled_ is set to _true_.
> Add some data to Atlas repository, either via Import or by creating tables within Hive.
> *Steps to Reproduce*
> * Stop Atlas via Ambari.
> * Start the migration using _atlas_migration_export.py -d ~/atlas-data_
> Expected results: Both the JSON files generated should contain data.
> Actual results: _atlas-migration-typesdef.json_ does not contain data.
> The _atlas-migration-exporter.log_ shows a message _'AtlasTypeDefStoreInitializer.init(): deferring type loading until instance activation'_.
> *Root Cause*
> In HA mode, the Atlas type system is initialized only when the active node.
>
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