Add tool to offline dump cluster metadata and the log

Patch by Abhijeet Dubey; reviewed by Sam Tunnicliffe and marcuse for CASSANDRA-21129

Author: Abhijeet Dubey

CHANGES.txt

@@ -1,4 +1,5 @@
 5.1
+ * Add tool to offline dump cluster metadata and the log (CASSANDRA-21129)
  * Send client warnings when writing to a large partition (CASSANDRA-17258)
  * Harden the possible range of values for max dictionary size and max total sample size for dictionary training (CASSANDRA-21194)
  * Implement a guardrail ensuring that minimum training frequency parameter is provided in ZstdDictionaryCompressor (CASSANDRA-21192)

src/java/org/apache/cassandra/tcm/log/LogReader.java

@@ -35,7 +35,7 @@
 public interface LogReader
 {
     /**
-     * Gets all entries where epoch >= since - could be empty if since is a later epoch than the current highest seen
+     * Gets all entries where epoch > since - could be empty if since is a later epoch than the current highest seen
      */
     EntryHolder getEntries(Epoch since) throws IOException;
     EntryHolder getEntries(Epoch since, Epoch until) throws IOException;