Use single socket instance for all xray api calls.#467
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purple4reina merged 2 commits intomainfrom Apr 9, 2024
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purple4reina
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Apr 9, 2024
datadog_lambda/xray.py
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| except Exception as e_send: | ||
| logger.error("Error occurred submitting to xray daemon: %s", e_send) | ||
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| def reset(self): |
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reset is used for tests.
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nitpick: can we move it to tests files?
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Yes, good call. Done.
purple4reina
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Apr 9, 2024
| self._host_port_tuple = self._get_xray_host_port( | ||
| os.environ.get(XrayDaemon.XRAY_DAEMON_ADDRESS, "") | ||
| ) | ||
| return self._host_port_tuple |
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This value is now memoized so we only need to parse the env var once.
purple4reina
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Apr 9, 2024
| self.assertEqual(result.sampling_priority, 1) | ||
| mock_send.assert_called_once() | ||
| (_, raw_payload), _ = mock_send.call_args | ||
| (raw_payload,), _ = mock_send.call_args |
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Signature of the xray.send method changed.
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|
Confirmed metadata is still being sent to the xray api. |
joeyzhao2018
approved these changes
Apr 9, 2024
datadog_lambda/xray.py
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| except Exception as e_send: | ||
| logger.error("Error occurred submitting to xray daemon: %s", e_send) | ||
|
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| def reset(self): |
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nitpick: can we move it to tests files?
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What does this PR do?
Motivation
The need for speed.
Testing Guidelines
Additional Notes
Previously, we were creating a new socket connection and closing the connection for each xray api call. When xray is enabled, and the lambda has extracted trace context from an upstream event, the xray api is called twice.
When an xray api is called, this change decreases runtime duration by somewhere between 1-5%.
Types of Changes
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