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Bryan Boreham 1ed94142fc remote-write: slow down retries to avoid DDOS (#9634) ... * remote-write: slow down retries to avoid DDOS Increase the default max retry time from 100ms to 5 seconds. Remote write calls are retried after a recoverable error such as the back-end returning 500. Prometheus waits the minimum time and retries, then doubles the wait on each subsequent retry until the maximum is reached. If some data is still getting through, remote-write will also increase shards, and the default maximum is 200. 200 shards sending every 100ms is 20 calls per second, to a back-end that is already in trouble. 5 seconds was chosen to match the default BatchSendDeadline: if we can afford to wait that long for no response, then we can wait the same time to retry. We will reach 5 seconds after 9 successive failures. Signed-off-by: Bryan Boreham <bjboreham@gmail.com> * Update config doc for max_backoff change Signed-off-by: Bryan Boreham <bjboreham@gmail.com>		3 years ago
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alerting_rules.md	…
configuration.md	remote-write: slow down retries to avoid DDOS (#9634)	3 years ago
https.md	Add support for security-related HTTP headers (#9546)	3 years ago
index.md	…
recording_rules.md	Rule alerts/series limit updates (#9541)	3 years ago
template_examples.md	…
template_reference.md	Updated docs	4 years ago
unit_testing_rules.md	docs: update unit_testing_rules to cover missing and stale samples (#9065)	3 years ago