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Posted to dev@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2013/09/24 03:53:03 UTC
[jira] [Updated] (HIVE-4749) WebHCat reads hive.metastore.uris,
etc. from different places for different types of operations
[ https://issues.apache.org/jira/browse/HIVE-4749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eugene Koifman updated HIVE-4749:
---------------------------------
Description:
webhcat-default.xml (webhcat-stie.xml) has templeton.hive.properties which specifies values of some properties to pass to hive, in particular hive.metastore.uris. This is then passes as a start up parameter to Hive when WebHCat launches Hive to execute a query. (The design is that for job submission WebHCat expects a Hive metastore to be running somewhere.)
On the other hand, when a DDL operation is executed, WebHCat ignores webhcat-default.xml and expects hive-site.xml to contain hive.mestastore.uris, etc.
This is very confusing (unless you happen to know this).
There should be a single source of truth.
Since we always expect Hive to be installed on the machine running WebHCat (to execute DDL command), we should probably get rid of templeton.hive.properties in webhcat-default/site.xml and get this from hive-site.xml.
was:
webhcat-default.xml (webhcat-stie.xml) has templeton.hive.properties which specifies values of some properties to pass to hive, in particular hive.metastore.uris. This is then passes as a start up parameter to Hive when WebHCat launches Hive to execute a query. (The design is that for job submission WebHCat expects a Hive metastore to be running somewhere.)
On the other hand, when a DDL operation is executed, WebHCat ignores webhcat-default.xml and expects hive-site.xml to contain hive.mestastore.uris, etc.
This is very confusing (unless you happen to know this).
There should be a single source of truth.
> WebHCat reads hive.metastore.uris, etc. from different places for different types of operations
> -----------------------------------------------------------------------------------------------
>
> Key: HIVE-4749
> URL: https://issues.apache.org/jira/browse/HIVE-4749
> Project: Hive
> Issue Type: Improvement
> Components: HCatalog
> Affects Versions: 0.11.0
> Reporter: Eugene Koifman
>
> webhcat-default.xml (webhcat-stie.xml) has templeton.hive.properties which specifies values of some properties to pass to hive, in particular hive.metastore.uris. This is then passes as a start up parameter to Hive when WebHCat launches Hive to execute a query. (The design is that for job submission WebHCat expects a Hive metastore to be running somewhere.)
> On the other hand, when a DDL operation is executed, WebHCat ignores webhcat-default.xml and expects hive-site.xml to contain hive.mestastore.uris, etc.
> This is very confusing (unless you happen to know this).
> There should be a single source of truth.
> Since we always expect Hive to be installed on the machine running WebHCat (to execute DDL command), we should probably get rid of templeton.hive.properties in webhcat-default/site.xml and get this from hive-site.xml.
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