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[SPARK-18744][CORE] Remove workaround for Netty memory leak

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## What changes were proposed in this pull request?

We added some codes in https://github.com/apache/spark/pull/14961 because of https://github.com/netty/netty/issues/5833

Now we can remove them as it's fixed in Netty 4.0.42.Final.

## How was this patch tested?

Jenkins

Author: Shixiong Zhu <shixiong@databricks.com>

Closes #16167 from zsxwing/remove-netty-workaround.
This commit is contained in:
Shixiong Zhu 2016-12-06 13:33:05 -08:00
parent fac5b75b74
commit eeed38eaf8
1 changed files with 0 additions and 5 deletions
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5
common/network-common/src/main/java/org/apache/spark/network/util/TransportConf.java
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@ -24,11 +24,6 @@ import com.google.common.primitives.Ints;
*/
public class TransportConf {
static {
// Set this due to Netty PR #5661 for Netty 4.0.37+ to work
System.setProperty("io.netty.maxDirectMemory", "0");
}
private final String SPARK_NETWORK_IO_MODE_KEY;
private final String SPARK_NETWORK_IO_PREFERDIRECTBUFS_KEY;
private final String SPARK_NETWORK_IO_CONNECTIONTIMEOUT_KEY;