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https://issues.apache.org/jira/browse/HIVE-11663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14731851#comment-14731851
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Lefty Leverenz commented on HIVE-11663:
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[~liuzongquan@mls], sorry about the delay. Here's my review of the
configuration parameters in HiveConf.java, patch 2.
# Why did you remove four comment lines starting with "// Hadoop Configuration
Properties"?
# Formatting: For hive.server2.customized.udf.jars.path and
hive.server2.customized.udf.properties please insert newlines (\n) in the
descriptions as shown on lines 324 and 325, start the description of
hive.server2.customized.udf.jars.path on a new line, and use standard indenting.
# Capitalization: For hive.server2.customized.udf.jars.path please change
"The path on hdfs" to "The path on HDFS" and "means the hdfs path" to "means
the HDFS path".
# Edit: For hive.server2.customized.udf.jars.path please change "When hdfs://
missing" to "When hdfs:// is missing".
# Edits: For hive.server2.customized.udf.properties please change "customized
udf" to "customized UDF", change "defination" to "definition", change "It's
must be under $" to "It must be under the $", and change "The patern is as
below." to "The pattern is".
A Review Board entry for this would make it easier to review, because comments
could be posted on particular lines.
> Auto load/unload custom udf function for hive cli and hiveserver2
> -----------------------------------------------------------------
>
> Key: HIVE-11663
> URL: https://issues.apache.org/jira/browse/HIVE-11663
> Project: Hive
> Issue Type: Improvement
> Components: CLI, Configuration
> Affects Versions: 0.14.0, 1.0.0, 1.0.1, 1.1.1, 1.2.1
> Reporter: liuzongquan
> Assignee: liuzongquan
> Labels: features, patch
> Attachments: HIVE-11663-2.patch
>
> Original Estimate: 96h
> Time Spent: 96h
> Remaining Estimate: 0h
>
> when adding custom functions used in hiveserver2, the most method is re-build
> the hive source code, re-dist and restart hiveserver2. This way will produce
> big cost for service user and cluster manager. The best way, in my opinion,
> the custom udf should be like a plugin to the hiveserver2 and hive cli, and
> users can add and remove at run-time, especially for hiveserver2.
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