clintropolis commented on a change in pull request #9492: add manual laning
strategy, integration test
URL: https://github.com/apache/druid/pull/9492#discussion_r391237710
##########
File path:
integration-tests/src/test/java/org/apache/druid/tests/query/ITWikipediaQueryTest.java
##########
@@ -51,15 +69,78 @@ public void before() throws Exception
ITRetryUtil.retryUntilTrue(
() -> coordinatorClient.areSegmentsLoaded(WIKIPEDIA_DATA_SOURCE),
"wikipedia segment load"
);
- coordinatorClient.initializeLookups(WIKIPEDIA_LOOKUP_RESOURCE);
- ITRetryUtil.retryUntilTrue(
- () -> coordinatorClient.areLookupsLoaded(WIKI_LOOKUP), "wikipedia
lookup load"
- );
+ if (!coordinatorClient.areLookupsLoaded(WIKI_LOOKUP)) {
+ coordinatorClient.initializeLookups(WIKIPEDIA_LOOKUP_RESOURCE);
+ ITRetryUtil.retryUntilTrue(
+ () -> coordinatorClient.areLookupsLoaded(WIKI_LOOKUP), "wikipedia
lookup load"
+ );
+ }
}
@Test
public void testWikipediaQueriesFromFile() throws Exception
{
queryHelper.testQueriesFromFile(WIKIPEDIA_QUERIES_RESOURCE, 2);
}
+
+ @Test
+ public void testQueryLaning() throws Exception
+ {
+ // the broker is configured with 2 manually defined query lanes, 'one'
with limit 1, and 'two' with limit 'two'
+ // -Ddruid.query.scheduler.laning.type=manual
+ // -Ddruid.query.scheduler.laning.lanes.one=1
+ // -Ddruid.query.scheduler.laning.lanes.two=2
+ // by issuing 50 queries, at least 1 of them will succeed on 'one', and at
least 1 of them will overlap enough to
+ // get limited
+ final int numQueries = 50;
+ List<Future<StatusResponseHolder>> futures = new ArrayList<>(numQueries);
+ for (int i = 0; i < numQueries; i++) {
+ futures.add(
+ queryClient.queryAsync(
+ queryHelper.getQueryURL(config.getBrokerUrl()),
+ getQueryBuilder().build()
+ )
+ );
+ }
+
+ int success = 0;
+ int limited = 0;
+
+ for (Future<StatusResponseHolder> future : futures) {
+ StatusResponseHolder status = future.get();
+ if (status.getStatus().getCode() ==
QueryCapacityExceededException.STATUS_CODE) {
+ limited++;
+ Assert.assertTrue(status.getContent().contains("one"));
+ } else if (status.getStatus().getCode() ==
HttpResponseStatus.OK.getCode()) {
+ success++;
+ }
+ }
+
+ Assert.assertTrue(success > 0);
+ Assert.assertTrue(limited > 0);
+
+ // test another to make sure we can still issue one query at a time
Review comment:
Hmm, this is testing a sequence of events though, so it belongs in the same
test
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