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Reduce client errors when servers overloaded #73

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Reduce client errors when servers overloaded #73

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9 changes: 8 additions & 1 deletion scalyr_agent/scalyr_client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -325,10 +325,17 @@ def __receive_response(self, body_str, send_time):
log.log(scalyr_logging.DEBUG_LEVEL_5, 'Response was received with body \"%s\"', response)

if status_code == 429:
log.error('Received "too busy" response from server. Will re-attempt',
log.warning('Received "too busy" response from server. Will re-attempt',
error_code='serverTooBusy')
return 'serverTooBusy', len(body_str), response

# "Server unavailable" errors mean the servers are busy, so we should retry as if
# we got an explicit "too busy" response.
if response == 'Internal error: backend server unavailable. Scalyr staff will investigate.':
log.warning('Received "server unavailable" response from server. Will re-attempt',
error_code='internalError')
return 'internalError', len(body_str), response

# If we got back an empty result, that often means the connection has been closed or reset.
if len(response) == 0:
log.error('Received empty response, server may have reset connection. Will re-attempt',
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