synchronized void registerLogManager(LocalLogManager logManager) {
            if (logManagers.put(logManager.nodeId, logManager) != null) {
                throw new RuntimeException("Can't have multiple LocalLogManagers " +
                    "with id " + logManager.nodeId());
            }
            electLeaderIfNeeded();
        }
The initial max read offset which LocalLog instances will be configured with.
metadata/src/test/java/org/apache/kafka/metalog/LocalLogManager.java