GitHub user liancheng opened a pull request:
https://github.com/apache/spark/pull/2171
[SPARK-3269][SQL] Decreases initial buffer size for row set to prevent OOM
When a large batch size is specified, `SparkSQLOperationManager` OOMs even
if the whole result set is much smaller than the batch size.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/liancheng/spark jdbc-fetch-size
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2171.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2171
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commit 5e1623b5b4af127e9cc240327b23f428a104c36d
Author: Cheng Lian <[email protected]>
Date: 2014-08-28T00:49:52Z
Decreases initial buffer size for row set to prevent OOM
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