BELUGA BEHR created HADOOP-16022:
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Summary: Increase Compression Buffer Sizes - Remove Magic Numbers
Key: HADOOP-16022
URL: https://issues.apache.org/jira/browse/HADOOP-16022
Project: Hadoop Common
Issue Type: Improvement
Components: io
Affects Versions: 2.10.0, 3.2.0
Reporter: BELUGA BEHR
{code:java|title=Compression.java}
// data input buffer size to absorb small reads from application.
private static final int DATA_IBUF_SIZE = 1 * 1024;
// data output buffer size to absorb small writes from application.
private static final int DATA_OBUF_SIZE = 4 * 1024;
{code}
There exists these hard coded buffer sizes in the Compression code. Instead,
use the JVM default sizes, which, this day and age, are usually set for 8K.
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