David Li created ARROW-15044:
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Summary: [C++] Add simple stdout/JSON exporter for OpenTelemetry
Key: ARROW-15044
URL: https://issues.apache.org/jira/browse/ARROW-15044
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: David Li
While it is odd for a library to configure OpenTelemetry exporters, there is a
reason for this: the actual end-user is unable to configure it directly (as we
use the C++ implementation, and the user is likely in Python or R), and often
the "important" bits are all in C++, so it would be nice to have a way to dump
the information collected.
On top of that, it would be nice to dump the data in an easily parseable format
for further consumption.
We should enable the ostream exporter, as well as a custom exporter that dumps
JSON. See [https://github.com/open-telemetry/opentelemetry-cpp/pull/1111] for
an example. See discussion on [https://github.com/apache/arrow/pull/11906] as
well.
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