[
https://issues.apache.org/jira/browse/HIVE-4732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13767043#comment-13767043
]
Edward Capriolo commented on HIVE-4732:
---------------------------------------
Patch is not ready for commit.
{quote}
+ /**
+ * A unique ID for each record reader.
+ */
+ final private UUID recordReaderID;
+ this.recordReaderID = UUID.randomUUID();
}
{quote}
Your comment conflicts your code randomUUID() is not unique. See the link above.
> Reduce or eliminate the expensive Schema equals() check for AvroSerde
> ---------------------------------------------------------------------
>
> Key: HIVE-4732
> URL: https://issues.apache.org/jira/browse/HIVE-4732
> Project: Hive
> Issue Type: Improvement
> Components: Serializers/Deserializers
> Reporter: Mark Wagner
> Assignee: Mohammad Kamrul Islam
> Attachments: HIVE-4732.1.patch, HIVE-4732.4.patch,
> HIVE-4732.v1.patch, HIVE-4732.v4.patch
>
>
> The AvroSerde spends a significant amount of time checking schema equality.
> Changing to compare hashcodes (which can be computed once then reused) will
> improve performance.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
