keith-turner commented on a change in pull request #2263:
URL: https://github.com/apache/accumulo/pull/2263#discussion_r705486999
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File path:
core/src/main/java/org/apache/accumulo/core/spi/compaction/CompactionPlan.java
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@@ -55,5 +56,13 @@ Builder addJob(short priority, CompactionExecutorId executor,
CompactionPlan build();
}
+ /**
+ * Return the set of compaction candidates.
+ */
+ Set<CompactableFile> getCandidates();
Review comment:
yeah user initiated compactions will compact a tablet even if it has a
single file, unless there is a selection plugin that does something else. The
following code is called by CompactableImpl and actually does the selection.
https://github.com/apache/accumulo/blob/77157661af4e6de790e4b0cd34debd02f69bdce2/server/tserver/src/main/java/org/apache/accumulo/tserver/tablet/CompactableUtils.java#L444
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