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* Support multi-party reads on the JSON API Given that those aren’t going away and we’re instead doubling down on this and adding multi-party writes as well, the JSON API needs to support this. This PR only implements the read side (since the ledgers do not yet support the write side). This does not deviate from the approach chosen by the JSON API to infer the parties from the token, we just don’t error out anymore when more than one party is passed. changelog_begin changelog_end * Apply suggestions from code review Co-authored-by: Stephen Compall <stephen.compall@daml.com> * Remove dependency on doobie_postgres from db-backend changelog_begin changelog_end * Fix offset update changelog_begin changelog_end * Use nonempty sets for parties changelog_begin changelog_end * Fix updateOffset under concurrent transactions changelog_begin changelog_end * Add tests for multi-party websocket queries and fetches changelog_begin changelog_end * fmt changelog_begin changelog_end * Fix perf tests changelog_begin changelog_end * Cleanup changelog_begin changelog_end * Update ledger-service/http-json/src/main/scala/com/digitalasset/http/dbbackend/ContractDao.scala Co-authored-by: Stephen Compall <stephen.compall@daml.com> * Move ParsePayload instances, thanks Stephen! changelog_begin changelog_end * More unsubst changelog_begin changelog_end * Fix off by 1 error changelog_begin changelog_end * Remove redundant type annotation changelog_begin changelog_end * fmt changelog_begin changelog_end Co-authored-by: Stephen Compall <stephen.compall@daml.com> |
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1. Gatling Scenarios
1.1. Prerequisites
All current Gatling scenarios require quickstart-model.dar with IOU example. You can build one using:
bazel build //docs:quickstart-model
ls "${PWD}/bazel-bin/docs/quickstart-model.dar"
1.2. List of Scenarios
Gatling scenarios extend from io.gatling.core.scenario.Simulation:
com.daml.http.perf.scenario.CreateCommandcom.daml.http.perf.scenario.ExerciseCommandcom.daml.http.perf.scenario.CreateAndExerciseCommandcom.daml.http.perf.scenario.AsyncQueryConstantAcscom.daml.http.perf.scenario.SyncQueryConstantAcscom.daml.http.perf.scenario.SyncQueryNewAcscom.daml.http.perf.scenario.SyncQueryVariableAcs
2. Running Gatling Scenarios from Bazel
2.2. Help
$ bazel run //ledger-service/http-json-perf:http-json-perf-binary -- --help
2.2. Example
$ bazel run //ledger-service/http-json-perf:http-json-perf-binary -- \
--scenario=com.daml.http.perf.scenario.CreateCommand \
--dars="${PWD}/bazel-bin/docs/quickstart-model.dar" \
--reports-dir=/home/leos/tmp/results/ \
--jwt="eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJodHRwczovL2RhbWwuY29tL2xlZGdlci1hcGkiOnsibGVkZ2VySWQiOiJNeUxlZGdlciIsImFwcGxpY2F0aW9uSWQiOiJmb29iYXIiLCJhY3RBcyI6WyJBbGljZSJdfX0.VdDI96mw5hrfM5ZNxLyetSVwcD7XtLT4dIdHIOa9lcU"
3. Running Gatling Scenarios Manually
The following instructions tested on Linux but should also work on macOs.
3.1. Install Gatling (open-source load testing solution)
- the website: https://gatling.io/open-source
- direct URL: https://repo1.maven.org/maven2/io/gatling/highcharts/gatling-charts-highcharts-bundle/3.3.1/gatling-charts-highcharts-bundle-3.3.1-bundle.zip
3.2. Create quickstart DAML project
$ daml new quickstart-java --template quickstart-java
$ cd quickstart-java/
$ daml build
3.3. Start Sandbox with quickstart DAR
Ledger ID MyLedger is important, it is currently hardcoded in the com.daml.http.perf.scenario.SimulationConfig. See aliceJwt.
$ daml sandbox --ledgerid MyLedger ./.daml/dist/quickstart-0.0.1.dar
3.4. Start JSON API
daml json-api --ledger-host=localhost --ledger-port=6865 --http-port=7575 --package-reload-interval 5h --allow-insecure-tokens
3.5. Run Gatling scenario
$ <GATLING_HOME>/bin/gatling.sh --simulations-folder=<DAML_PROJECT_HOME>/ledger-service/http-json-perf/src/main/scala/com/daml/http/perf/scenario --simulation=com.daml.http.perf.scenario.CreateCommand
Where:
<GATLING_HOME>-- path to the Gatling directory<DAML_PROJECT_HOME>-- path to the DAML Repository on the local disk--simulation=com.daml.http.perf.scenario.CreateCommand-- full class name of the scenario from the--simulations-folder