keith-turner commented on code in PR #3583:
URL: https://github.com/apache/accumulo/pull/3583#discussion_r1267313633
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server/manager/src/main/java/org/apache/accumulo/manager/compaction/coordinator/CompactionCoordinator.java:
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@@ -152,6 +156,9 @@ public class CompactionCoordinator implements
CompactionCoordinatorService.Iface
private static final Cache<ExternalCompactionId,RunningCompaction> COMPLETED
=
Caffeine.newBuilder().maximumSize(200).expireAfterWrite(10,
TimeUnit.MINUTES).build();
+ private static final Cache<Path,Integer> CHECKED_TABLET_DIRS =
Review Comment:
If there is no need for it to be static, the making it an instance var feels
a bit cleaner. Making it an instance variable makes less assumptions about how
other code uses the class and it makes some test easier to implement (like
mocking or overriding the cache in unit test).
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