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https://issues.apache.org/jira/browse/HIVE-10982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15067722#comment-15067722
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Lefty Leverenz commented on HIVE-10982:
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Doc note: This should be documented in the wiki for release 2.1.0.
* [HiveServer2 Clients -- JDBC |
https://cwiki.apache.org/confluence/display/Hive/HiveServer2+Clients#HiveServer2Clients-JDBC]
Does HIVE-11718 also need documentation ("which makes some similar changes")?
> Customizable the value of java.sql.statement.setFetchSize in Hive JDBC Driver
> ------------------------------------------------------------------------------
>
> Key: HIVE-10982
> URL: https://issues.apache.org/jira/browse/HIVE-10982
> Project: Hive
> Issue Type: Improvement
> Components: JDBC
> Affects Versions: 1.2.0, 1.2.1
> Reporter: Bing Li
> Assignee: Bing Li
> Priority: Critical
> Labels: TODOC2.1
> Fix For: 2.1.0
>
> Attachments: HIVE-10982.1.patch, HIVE-10982.2.patch,
> HIVE-10982.3.patch
>
>
> The current JDBC driver for Hive hard-code the value of setFetchSize to 50,
> which will be a bottleneck for performance.
> Pentaho filed this issue as http://jira.pentaho.com/browse/PDI-11511, whose
> status is open.
> Also it has discussion in
> http://forums.pentaho.com/showthread.php?158381-Hive-JDBC-Query-too-slow-too-many-fetches-after-query-execution-Kettle-Xform
> http://mail-archives.apache.org/mod_mbox/hive-user/201307.mbox/%3ccacq46vevgrfqg5rwxnr1psgyz7dcf07mvlo8mm2qit3anm1...@mail.gmail.com%3E
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