Re: RadosGW latency on chuked uploads

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On Tue, Jun 09, 2020 at 09:07:49PM +0300, Tadas wrote:
> Hello,
> we face like 75-100 ms while doing 600 chunked PUT's.
> while 40-45ms while doing 1k normal PUT's.
> (Even amount of PUT's lowers on chunked PUT way)
> 
> We tried civetweb and beast. Nothing changes.
How close is your test running to the RGWs?

Does it get noticeably worse if you inject artificial latency into the network?

E.g.
https://bencane.com/2012/07/16/tc-adding-simulated-network-latency-to-your-linux-server/

If you can run the test without SSL, then tcpdump should let you see if
your client is trying to stuff the max amount of data into the pipeline
or waiting for an ACK each time.

-- 
Robin Hugh Johnson
Gentoo Linux: Dev, Infra Lead, Foundation Treasurer
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