Till Rohrmann created FLINK-1541:
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Summary: GSoC project: Distributed profiling
Key: FLINK-1541
URL: https://issues.apache.org/jira/browse/FLINK-1541
Project: Flink
Issue Type: Improvement
Reporter: Till Rohrmann
Assignee: Robert Metzger
Priority: Minor
Understanding why a given program behaves in a certain way is often difficult
and requires in many cases profiling. The profiling allows to detect hot spots
in a program which are worthwhile for further investigation. For
non-distributed applications there exists a wide variety of useful tools which
achieve exactly that. However, Flink currently lacks the capability to profile
distributed jobs.
Therefore, we would like to set up the infrastructure necessary for distributed
profiling. First, this requires a thorough evaluation of existing tools in
order to see how they could be used for profiling within Flink.
The profiling will most likely comprises the following steps:
1. Initiating the system and user code instrumentation
2. Collecting the profiling information on the distributed components
3. Aggregation of the generated profiling information and a proper visualization
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