maedhroz commented on code in PR #2051:
URL: https://github.com/apache/cassandra/pull/2051#discussion_r1051784645
##########
src/java/org/apache/cassandra/db/Memtable.java:
##########
@@ -387,9 +397,16 @@ public Partition getPartition(DecoratedKey key)
return partitions.get(key);
}
+ /**
+ * Returns the minTS if one available, otherwise -1.
+ *
+ * EncodingStats uses a synthetic epoch TS at 2015. We don't want to leak
that (CASSANDRA-18118) so we return -1 instead.
+ *
+ * @return The minTS or -1 if none available
+ */
public long getMinTimestamp()
{
- return minTimestamp;
+ return minTimestamp != EncodingStats.NO_STATS.minTimestamp ?
minTimestamp : -1;
Review Comment:
@bereng Looks like the general form of the solution is not to treat
`EncodingStats.NO_STATS.minTimestamp` like a real timestamp in
`CompactionController`. Any reason not to just leave `getMinTimestamp()` alone
and check `EncodingStats.NO_STATS.minTimestamp` or
`EncodingStats.TIMESTAMP_EPOCH` there instead?
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