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Occasionally, vmagent sends empty blocks to downstream servers. If a
downstream server returns an unexpected response, vmagent gets stuck in
a retry loop. While vmagent handles 400 and 409 errors, there are
various prometheus remote write implementations that return different
error codes. For example, vector returns a 422 error. To mitigate the
risk of vmagent getting stuck in a retry loop, it is advisable to skip
sending empty blocks to downstream servers.
Co-authored-by: hao.peng <hao.peng@smartx.com>
Co-authored-by: Zhu Jiekun <jiekun.dev@gmail.com>
Co-authored-by: hagen1778 <roman@victoriametrics.com>
(cherry picked from commit
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| .. | ||
| client.go | ||
| pendingseries.go | ||
| pendingseries_test.go | ||
| pendingseries_timing_test.go | ||
| relabel.go | ||
| relabel_test.go | ||
| remotewrite.go | ||
| remotewrite_test.go | ||
| statconn.go | ||
| streamaggr.go | ||