Github user madrob commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/107#discussion_r65654141
--- Diff:
server/gc/src/main/java/org/apache/accumulo/gc/GarbageCollectWriteAheadLogs.java
---
@@ -410,4 +556,41 @@ static boolean isUUID(String name) {
}
}
+ /**
+ * Determine if TServer has been dead long enough to remove associated
WALs.
+ * <p>
+ * Uses a map where the key is the address and the value is the time
first seen dead. If the address is not in the map, it is added with the current
system
+ * nanoTime. When the passed in wait time has elapsed, this method
returns true and removes the key and value from the map.
+ *
+ * @param address
+ * HostAndPort of dead tserver
+ * @param wait
+ * long value of elapsed time to wait
+ * @return boolean whether enough time elapsed since the server was
first seen as dead.
+ */
+ @VisibleForTesting
+ protected boolean timeToDelete(HostAndPort address, long wait) {
+ // check whether the tserver has been dead long enough
+ Long firstSeen = firstSeenDead.get(address);
+ if (firstSeen != null) {
+ long elapsedTime = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() -
firstSeen);
--- End diff --
Log message claims seconds but code prints millis.
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