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lib/promscrape: do not retry idempotent requests when scraping targets

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This should prevent from the following unexpected side-effects of idempotent request retries:
- increased actual timeout when scraping the target comparing to the configured scrape_timeout
- increased load on the target

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/357
This commit is contained in:
Aliaksandr Valialkin 2020-03-09 13:25:59 +02:00
parent 986dba5ab3
commit 7c432da788
1 changed files with 11 additions and 10 deletions
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21
lib/promscrape/client.go
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@ -46,16 +46,17 @@ func newClient(sw *ScrapeWork) *client {
}
}
hc := &fasthttp.HostClient{
Addr: host,
Name: "vm_promscrape",
Dial: statDial,
DialDualStack: netutil.TCP6Enabled(),
IsTLS: isTLS,
TLSConfig: tlsCfg,
MaxIdleConnDuration: 2 * sw.ScrapeInterval,
ReadTimeout: sw.ScrapeTimeout,
WriteTimeout: 10 * time.Second,
MaxResponseBodySize: *maxScrapeSize,
Addr: host,
Name: "vm_promscrape",
Dial: statDial,
DialDualStack: netutil.TCP6Enabled(),
IsTLS: isTLS,
TLSConfig: tlsCfg,
MaxIdleConnDuration: 2 * sw.ScrapeInterval,
ReadTimeout: sw.ScrapeTimeout,
WriteTimeout: 10 * time.Second,
MaxResponseBodySize: *maxScrapeSize,
MaxIdemponentCallAttempts: 1,
}
return &client{
hc: hc,