Github user joshelser commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/143#discussion_r77034759
--- Diff:
server/gc/src/main/java/org/apache/accumulo/gc/SimpleGarbageCollector.java ---
@@ -530,6 +531,9 @@ private void run() {
ProbabilitySampler sampler = new
ProbabilitySampler(getConfiguration().getFraction(Property.GC_TRACE_PERCENT));
+ // Map of tserver -> timestamp, used by the GCWriteAheadLogs to track
state of when a tablet server went down
+ Map<HostAndPort, Long> firstSeenDead = new HashMap<>();
--- End diff --
Nit: let's make this `final` to make sure that we don't ever accidentally
overwrite the variable and end up with the same bug in the future.
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