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Posted to issues@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2017/11/29 02:25:00 UTC
[jira] [Assigned] (KYLIN-2945) Global dict specific info should not
use absolute path when saved it
[ https://issues.apache.org/jira/browse/KYLIN-2945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shaofeng SHI reassigned KYLIN-2945:
-----------------------------------
Assignee: Yifei Wu
Priority: Minor (was: Major)
Summary: Global dict specific info should not use absolute path when saved it (was: global dict specific info should not use absolute path when saved it)
> Global dict specific info should not use absolute path when saved it
> --------------------------------------------------------------------
>
> Key: KYLIN-2945
> URL: https://issues.apache.org/jira/browse/KYLIN-2945
> Project: Kylin
> Issue Type: Improvement
> Reporter: Yifei Wu
> Assignee: Yifei Wu
> Priority: Minor
>
> Currently, absolute path is used in the global dictionary for saving the location of specific info like the next json.
> {code}
> {
> "uuid" : "b82505d8-5b40-4009-8839-8456500ea6a8",
> "last_modified" : 0,
> "version" : "2.3.0.20500",
> "source_table" : "KYLIN_YIFEI_1011_TESTGLOBALDICTMIGRATION.KYLIN_SALES",
> "source_column" : "PRICE",
> "source_column_index" : 6,
> "data_type" : "decimal(19,4)",
> "input" : {
> "path" : "hdfs://sandbox.hortonworks.com:8020/kylin/kylin_default/kylin-d213a963-b5e3-4e75-a1a2-8af93ca83a80/global_dict_cube/fact_distinct_columns/KYLIN_SALES.PRICE",
> "size" : 81150,
> "last_modified_time" : 1508133611074
> },
> "dictionary_class" : "org.apache.kylin.dict.AppendTrieDictionary",
> "cardinality" : 8878
> }^@hdfs://master:8020/kylin/kylin_yifei_1011_testGlobalDictMigration/resources/GlobalDict/dict/KYLIN_YIFEI_1011_TESTGLOBALDICTMIGRATION.KYLIN_SALES/PRICE/
> {code}
> But if you change the path configuration or migrate the data to another cluster which node name is different or original host cannot be reached, you will meet problems in reusing it, like rebuilding and merge dictionary or transfer column from dictionary in building cube, for the dictionary info cannot be found.
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