bdeggleston commented on code in PR #4106:
URL: https://github.com/apache/cassandra/pull/4106#discussion_r2060548513
##########
src/java/org/apache/cassandra/replication/CoordinatorLogId.java:
##########
@@ -142,5 +148,12 @@ public long serializedSize(CoordinatorLogId logId, int
version)
{
return TypeSizes.sizeof(logId.hostId) +
TypeSizes.sizeof(logId.hostLogId);
}
- };
+
+ public long serializedSize(long logId, int version)
+ {
+ return TypeSizes.sizeof(logId);
+ }
+ }
+
+ static final Serializer serializer = new Serializer();
Review Comment:
why did you switch from an anonymous implementation to a class definition +
instantiation?
##########
src/java/org/apache/cassandra/replication/Shard.java:
##########
@@ -94,6 +109,42 @@ void addSummaryForRange(AbstractBounds<PartitionPosition>
range, boolean include
});
}
+ List<InetAddressAndPort> remoteReplicas()
+ {
+ List<InetAddressAndPort> replicas = new
ArrayList<>(participants.size() - 1);
+ for (int i = 0, size = participants.size(); i < size; ++i)
+ {
+ int hostId = participants.get(i);
+ if (hostId != localHostId)
+ replicas.add(ClusterMetadata.current().directory.endpoint(new
NodeId(hostId)));
+ }
+ return replicas;
+ }
+
+ /**
+ * Collects replicated offsets for the logs owned by this coordinator on
this shard.
+ */
+ ShardReplicatedOffsets collectReplicatedOffsets()
+ {
+ Long2ObjectHashMap<LogReplicatedOffsets> offsets = new
Long2ObjectHashMap<>();
+ for (CoordinatorLogPrimary log : primaryLogs())
Review Comment:
why not just transmit all logs? For truncation / failure recovery making
replicas communicate about received mutations even with an unreachable
coordinator would prevent unnecessary gaps in replicas reconciled sets and work
around certain network partitions
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