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server: Add --listen-client-http-urls flag to allow running grpc server separate from http server

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Difference in load configuration for watch delay tests show how huge the
impact is. Even with random write scheduler grpc under http
server can only handle 500 KB with 2 seconds delay. On the other hand,
separate grpc server easily hits 10, 100 or even 1000 MB within 100 miliseconds.

Priority write scheduler that was used in most previous releases
is far worse than random one.

Tests configured to only 5 MB to avoid flakes and taking too long to fill
etcd.

Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
This commit is contained in:
Marek Siarkowicz
2023-03-10 17:33:46 +01:00
parent 2d5f48a7ef
commit c0421c7330
10 changed files with 277 additions and 131 deletions
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4
server/etcdmain/help.go
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@@ -63,7 +63,9 @@ Member:
--listen-peer-urls 'http://localhost:2380'
List of URLs to listen on for peer traffic.
--listen-client-urls 'http://localhost:2379'
List of URLs to listen on for client traffic.
List of URLs to listen on for client grpc traffic and http as long as --listen-client-http-urls is not specified.
--listen-client-http-urls ''
List of URLs to listen on for http only client traffic. Enabling this flag removes http services from --listen-client-urls.
--max-snapshots '` + strconv.Itoa(embed.DefaultMaxSnapshots) + `'
Maximum number of snapshot files to retain (0 is unlimited).
--max-wals '` + strconv.Itoa(embed.DefaultMaxWALs) + `'