Github user mikewalch commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/293#discussion_r134035002
--- Diff: core/src/main/java/org/apache/accumulo/core/file/rfile/RFile.java
---
@@ -403,7 +402,8 @@ public void flushIfNeeded() throws IOException {
private SampleLocalityGroupWriter sample;
- private SummaryStatistics keyLenStats = new SummaryStatistics();
+ // Use windowed stats to fix ACCUMULO-4669
+ private RollingStats keyLenStats = new RollingStats(2017);
--- End diff --
Why 2017 for window size?
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