influxdb-client-python: Write to InfluxDB cloud fails with ApiException: (503) Reason: Service Unavailable; upstream connect error or disconnect/reset before headers. reset reason: connection failure

Steps to reproduce: Using the Python client make repeated calls to the write API. Do this simultaneously from 2 or 3 different clients (not sure if this is relevant but this is the fail condition) Write rates are a call to the API every second or so I’m using the SYNCHRONOUS calls

influx_client = InfluxDBClient(url=os.environ['influx_url'], token=os.environ['token'],retries=retries) write_api = influx_client.write_api(write_options=SYNCHRONOUS) (repeatedly) influx_returns = write_api.write(InfluxBucket, my_org, Influx_lines,'ms')

Expected behavior: Until 17th Aug we were seeing the expected behaviour. All the writes succeeded.
Data was written reliably

Actual behavior: From 17th August we started getting

ApiException: (503) Reason: Service Unavailable; upstream connect error or disconnect/reset before headers. reset reason: connection failure

The errors definitely started on 17th Aug and I know we didn’t change anything because everyone was on holiday! I have AWS logs which show when this started

You can see the discussion here that it’s affecting multiple users now

Specifications:

• Python 3.8:
• InfluxDB Version: Cloud v2
• Platform: AWS Lambda written in Python