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Improve chain start speed

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On a dev machine, this reduces a chain restart (./scripts/cosm/stop.sh
&& ./scripts/cosm/start.sh) from 18.5 seconds to 2.7 seconds.
This commit is contained in:
Simon Warta 2020-02-04 22:04:21 +01:00
parent 82447e8afe
commit fa1a9671db
1 changed files with 4 additions and 11 deletions
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15
scripts/cosm/start.sh
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@ -15,10 +15,6 @@ echo "Using temporary dir $TMP_DIR"
WASMD_LOGFILE="$TMP_DIR/wasmd.log" WASMD_LOGFILE="$TMP_DIR/wasmd.log"
REST_SERVER_LOGFILE="$TMP_DIR/rest-server.log" REST_SERVER_LOGFILE="$TMP_DIR/rest-server.log"
# pull the newest copy of the docker image
# this is important as the sleep timeout below will fail on first run (downloading entire docker stack usually > 10s)
docker pull "$REPOSITORY:$VERSION"
# This starts up wasmd # This starts up wasmd
docker volume rm -f wasmd_data docker volume rm -f wasmd_data
docker run --rm \ docker run --rm \
@ -35,12 +31,10 @@ docker run --rm \
echo "wasmd running and logging into $WASMD_LOGFILE" echo "wasmd running and logging into $WASMD_LOGFILE"
# Debug chain start # Debug chain start
sleep 3 # sleep 3 && cat "$WASMD_LOGFILE"
cat "$WASMD_LOGFILE"
sleep 10 # Use a large timeout because of potentially long image download in `docker run`
if ! timeout 120 bash -c "until docker inspect -f '{{.State.Running}}' '$CONTAINER_NAME' &> /dev/null; do sleep 0.5; done"; then
if [ "$(docker inspect -f '{{.State.Running}}' "$CONTAINER_NAME")" != "true" ]; then
echo "Container named '$CONTAINER_NAME' not running. We cannot continue." \ echo "Container named '$CONTAINER_NAME' not running. We cannot continue." \
"This can happen when 'docker run' needs too long to download and start." \ "This can happen when 'docker run' needs too long to download and start." \
"It might be worth retrying this step once the image is in the local docker cache." "It might be worth retrying this step once the image is in the local docker cache."
@ -58,5 +52,4 @@ docker exec "$CONTAINER_NAME" \
echo "rest server running on http://localhost:1317 and logging into $REST_SERVER_LOGFILE" echo "rest server running on http://localhost:1317 and logging into $REST_SERVER_LOGFILE"
# Debug rest server start # Debug rest server start
sleep 3 # sleep 3 && cat "$REST_SERVER_LOGFILE"
cat "$REST_SERVER_LOGFILE"