milleruntime commented on code in PR #2638:
URL: https://github.com/apache/accumulo/pull/2638#discussion_r852882774
##########
test/src/main/java/org/apache/accumulo/test/compaction/ExternalCompactionMetricsIT.java:
##########
@@ -166,7 +166,7 @@ public void testMetrics() throws Exception {
UtilWaitThread.sleep(100);
try (TabletsMetadata tm =
getCluster().getServerContext().getAmple().readTablets()
.forLevel(DataLevel.USER).fetch(ColumnType.ECOMP).build()) {
- count = tm.stream().flatMap(t ->
t.getExternalCompactions().keySet().stream()).count();
+ count = tm.stream().mapToLong(t ->
t.getExternalCompactions().keySet().size()).sum();
Review Comment:
I will have to look this data structure up again but I thought there was
something unique about `flatMap`... Do you know if this translates to the same
data structure?
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