# Elastic APM -8.17 and Python Agent 6.17 drops most of the transactions when performance tests are conducted for the application under test

**URL:** <https://discuss.elastic.co/t/elastic-apm-8-17-and-python-agent-6-17-drops-most-of-the-transactions-when-performance-tests-are-conducted-for-the-application-under-test/380251>\
**Category:** Elastic Observability\
**Created:** [July 18, 2025, 9:03am UTC](https://discuss.elastic.co/t/elastic-apm-8-17-and-python-agent-6-17-drops-most-of-the-transactions-when-performance-tests-are-conducted-for-the-application-under-test/380251 "2025-07-18T09:03:21Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Dixit](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dixit/32/111369_2.png) [@Dixit](https://discuss.elastic.co/u/Dixit)\
**Post date:** [July 18, 2025, 9:03am UTC](https://discuss.elastic.co/t/elastic-apm-8-17-and-python-agent-6-17-drops-most-of-the-transactions-when-performance-tests-are-conducted-for-the-application-under-test/380251/1 "2025-07-18T09:03:21Z")

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hi ,

We use Elastic APM 8.17 & Python agent 6.17, most the transactions are being dropped and no spans observed across. This happens when we run performance tests for Application under test.