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From "Ivan Suller (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-21000) Upgrade thrift to at least 0.10.0
Date Wed, 06 Feb 2019 08:19:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-21000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ivan Suller updated HIVE-21000:
-------------------------------
    Attachment: HIVE-21000.02.patch

> Upgrade thrift to at least 0.10.0
> ---------------------------------
>
>                 Key: HIVE-21000
>                 URL: https://issues.apache.org/jira/browse/HIVE-21000
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Zoltan Haindrich
>            Assignee: Ivan Suller
>            Priority: Major
>         Attachments: HIVE-21000.01.patch, HIVE-21000.02.patch, sampler_before.png
>
>
> I was looking into some compile profiles for tables with lots of columns; and it turned
out that [thrift 0.9.3 is allocating a List|https://github.com/apache/hive/blob/8e30b5e029570407d8a1db67d322a95db705750e/standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/FieldSchema.java#L348]
during every hashcode calculation; but luckily THRIFT-2877 is improving on that - so I propose
to upgrade to at least 0.10.0 



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