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nimbus-eth2
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Add a CPU_LIMIT option for the Medalla and Altona targets [skip ci] 

This can be used to trigger problems such as peer dropping that
manifest only on higher CPU loads.
This commit is contained in:
Zahary Karadjov 2020-08-22 00:05:37 +03:00 committed by zah
parent 8809f8d200
commit 273123d9c1
2 changed files with 22 additions and 6 deletions
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19
Makefile
View File

@ -21,6 +21,13 @@ BASE_RPC_PORT := 9190
BASE_METRICS_PORT := 8008
GOERLI_WEB3_URL := "wss://goerli.infura.io/ws/v3/809a18497dd74102b5f37d25aae3c85a"
VALIDATORS := 1
CPU_LIMIT := 0
ifeq ($(CPU_LIMIT), 0)
CPU_LIMIT_CMD :=
else
CPU_LIMIT_CMD := cpulimit --limit=$(CPU_LIMIT) --foreground --
endif
# unconditionally built by the default Make target
# TODO re-enable ncli_query if/when it works again
@ -177,7 +184,7 @@ medalla: | beacon_node
--base-metrics-port $$(($(BASE_METRICS_PORT) + $(NODE_ID))) \
--config-file "build/data/shared_medalla_$(NODE_ID)/prometheus.yml"
build/beacon_node \
$(CPU_LIMIT_CMD) build/beacon_node \
--network=medalla \
--log-level="$(LOG_LEVEL)" \
--log-file=build/data/shared_medalla_$(NODE_ID)/nbc_bn_$$(date +"%Y%m%d%H%M%S").log \
@ -193,7 +200,7 @@ medalla-vc: | beacon_node validator_client
--base-metrics-port $$(($(BASE_METRICS_PORT) + $(NODE_ID))) \
--config-file "build/data/shared_medalla_$(NODE_ID)/prometheus.yml"
build/beacon_node \
$(CPU_LIMIT_CMD) build/beacon_node \
--network=medalla \
--log-level="$(LOG_LEVEL)" \
--log-file=build/data/shared_medalla_$(NODE_ID)/nbc_bn_$$(date +"%Y%m%d%H%M%S").log \
@ -218,7 +225,7 @@ medalla-dev: | beacon_node
--base-metrics-port $$(($(BASE_METRICS_PORT) + $(NODE_ID))) \
--config-file "build/data/shared_medalla_$(NODE_ID)/prometheus.yml"
build/beacon_node \
$(CPU_LIMIT_CMD) build/beacon_node \
--network=medalla \
--log-level="DEBUG; TRACE:discv5,networking; REQUIRED:none; DISABLED:none" \
--data-dir=build/data/shared_medalla_$(NODE_ID) \
@ -255,7 +262,7 @@ clean-medalla:
rm -rf build/data/shared_medalla*/*.log
altona: | beacon_node
build/beacon_node \
$(CPU_LIMIT_CMD) build/beacon_node \
--network=altona \
--log-level="$(LOG_LEVEL)" \
--log-file=build/data/shared_altona_$(NODE_ID)/nbc_bn_$$(date +"%Y%m%d%H%M%S").log \
@ -265,7 +272,7 @@ altona: | beacon_node
altona-vc: | beacon_node validator_client
# if launching a VC as well - send the BN looking nowhere for validators/secrets
mkdir -p build/data/shared_altona_$(NODE_ID)/empty_dummy_folder
build/beacon_node \
$(CPU_LIMIT_CMD) build/beacon_node \
--network=altona \
--log-level="$(LOG_LEVEL)" \
--log-file=build/data/shared_altona_$(NODE_ID)/nbc_bn_$$(date +"%Y%m%d%H%M%S").log \
@ -281,7 +288,7 @@ altona-vc: | beacon_node validator_client
--rpc-port=$$(( $(BASE_RPC_PORT) +$(NODE_ID) ))
altona-dev: | beacon_node
build/beacon_node \
$(CPU_LIMIT_CMD) build/beacon_node \
--network=altona \
--log-level="DEBUG; TRACE:discv5,networking; REQUIRED:none; DISABLED:none" \
--data-dir=build/data/shared_altona_$(NODE_ID) \

9
README.md
View File

@ -157,6 +157,15 @@ prometheus --config.file=./prometheus.yml --storage.tsdb.path=./prometheus
For some pretty pictures, get [Grafana](https://grafana.com/) up and running, then import the dashboard definition in "grafana/beacon\_nodes\_Grafana\_dashboard.json".
### Stress-testing the client by limiting the CPU power
```bash
make medalla CPU_LIMIT=20
```
The limiting is provided by the cpulimit utility, available on Linux and macOS.
The specified value is a percentage of a single CPU core. Usually 1 - 100, but can be higher on multi-core CPUs.
## Interop (for other Eth2 clients)
After installing the [prerequisites](#prerequisites)