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Posted to dev@reef.apache.org by "Joo Seong (Jason) Jeong (JIRA)" <ji...@apache.org> on 2016/08/11 06:24:22 UTC
[jira] [Created] (REEF-1520) Enable concurrent processing of .NET
driver-side events
Joo Seong (Jason) Jeong created REEF-1520:
---------------------------------------------
Summary: Enable concurrent processing of .NET driver-side events
Key: REEF-1520
URL: https://issues.apache.org/jira/browse/REEF-1520
Project: REEF
Issue Type: Improvement
Components: REEF Driver, REEF.NET Driver
Affects Versions: 0.16
Reporter: Joo Seong (Jason) Jeong
A .NET driver is backed by a Java driver, with driver-side events being delegated from Java to .NET via JNI. However, for the ease of development, we currently have setup all events to be processed one at a time, sequentially.
{code:Java}
// org.apache.reef.javabridge.generic.JobDriver
public void onNext(final AllocatedEvaluator allocatedEvaluator) {
synchronized (JobDriver.this) {
..
}
}
public void onNext(final ActiveContext context) {
synchronized (JobDriver.this) {
..
}
}
{code}
Concurrent processing is NOT inherently impossible, since we already have it on the Java side. We can make improvements to the code so that concurrency is allowed for the .NET side too.
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