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Update readme instructions to use specific node/validator counts (fixes #483)

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Jacek Sieka 2019-10-23 15:22:35 +02:00
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commit f41fa704d5
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2 changed files with 9 additions and 6 deletions
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13
README.md
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@ -112,17 +112,18 @@ The beacon node simulation will create a full peer-to-peer network of beacon nod
```bash ```bash
# Clear data files from your last run and start the simulation with a new genesis block: # Clear data files from your last run and start the simulation with a new genesis block:
make eth2_network_simulation make VALIDATORS=192 NODES=6 MISSING_NODES=1 eth2_network_simulation
# In another terminal, get a shell with the right environment variables set: # In another terminal, get a shell with the right environment variables set:
./env.sh bash ./env.sh bash
# Run an extra node - by default the network will launch with 9 nodes, each # In the above example, the network is prepared for 7 beacon nodes but one of
# hosting 10 validators. The last 10 validators are lazy bums that hid from the # them is not started by default (`MISSING_NODES`) - you can start it separately
# startup script, but you can command them back to work with: # by running:
./tests/simulation/run_node.sh 9 ./tests/simulation/run_node.sh 6 # (or the 0-based node number of the missing node)
# (yes, it's 0-based indexing) # Running a separate node allows you to test sync as well as see what the action
# looks like from a single nodes' perspective.
``` ```
You can also separate the output from each beacon node in its own panel, using [multitail](http://www.vanheusden.com/multitail/): You can also separate the output from each beacon node in its own panel, using [multitail](http://www.vanheusden.com/multitail/):

2
tests/simulation/vars.sh
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@ -13,6 +13,8 @@ cd $(git rev-parse --show-toplevel)
: ${GIT_ROOT:="$($PWD_CMD)"} : ${GIT_ROOT:="$($PWD_CMD)"}
cd - &>/dev/null cd - &>/dev/null
# When changing these, also update the readme section on running simulation
# so that the run_node example is correct!
NUM_VALIDATORS=${VALIDATORS:-192} NUM_VALIDATORS=${VALIDATORS:-192}
NUM_NODES=${NODES:-6} NUM_NODES=${NODES:-6}
NUM_MISSING_NODES=${MISSING_NODES:-1} NUM_MISSING_NODES=${MISSING_NODES:-1}