Hi.
I am newbie to Akka-http.
I got about only 1,500 TPS with Akka-http.
I am running performance benchmark on Apahce OpenWhisk which uses Akka-http
as a main web server.
In OpenWhisk, there are many routes, few routes have low latency and a few
routes have relatively high latency.
For example,
1. Ping API: 25ms
2. Invoking an action API: 250ms
3. Get all actions API: 500ms.
I got about 15000 TPS with ping API but got about 1500 TPS with Invoking an
action API.
I used 40cores CPU with 128GB memory.
I monitored the number of thread and it was max 140, though there were idle
CPU and memory.
Since their latency difference and TPS difference are about 10 times
between Ping(20ms, 15000TPS) and Invoking API(200ms, 1500TPS),
I think this is because there are fixed number of threads(140) and they
could not handle more requests due to high latency of each requests.
(When I run `get all actions API` which has about 20 times slower than
`Ping API`, I got about 800 TPS which is also 20 times lesser than 15000
TPS)
Since there were idle CPI(50%) and memory(120GB), it should create more
threads and throughput should be higher even though latency is high.
Do I have to configure anything to increase the number of concurrent
threads?
I am using this version of libraries.
compile 'com.typesafe.akka:akka-actor_2.11:2.4.16'
compile 'com.typesafe.akka:akka-slf4j_2.11:2.4.16'
ompile 'com.typesafe.akka:akka-http-core_2.11:10.0.9'
compile 'com.typesafe.akka:akka-http-spray-json_2.11:10.0.2'
This is my(OpenWhisk`s) akka-http configurations.
akka.http {
server {
request-timeout = 90s
max-connections = 8192
stats-support = off
idle-timeout = 120s
parsing {
max-uri-length = 8k
max-content-length = 50m
}
}
}
Thanks in advance
Regards
Dominic
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