X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2FReplicatedLog.java;h=80b7ad90d05dbb1e9fe45ec57a65a44dedfe4463;hp=3de0de5131ae6c9195128b73a873cf8ca25bb9bf;hb=7f2ecd54dd3eb09af469a610fdd541b48ed95b80;hpb=5924885ac74b5fa0c729004a5b66b30654a55496 diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ReplicatedLog.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ReplicatedLog.java index 3de0de5131..80b7ad90d0 100644 --- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ReplicatedLog.java +++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ReplicatedLog.java @@ -44,18 +44,41 @@ public interface ReplicatedLog { long lastTerm(); /** - * Remove all the entries from the logs >= index + * To be called when we need to remove entries from the in-memory log. + * This method will remove all entries >= index. This method should be used + * during recovery to appropriately trim the log based on persisted + * information * * @param index the index of the log entry */ void removeFrom(long index); + + /** + * To be called when we need to remove entries from the in-memory log and we + * need that information persisted to disk. This method will remove all + * entries >= index. + *
+ * The persisted information would then be used during recovery to properly
+ * reconstruct the state of the in-memory replicated log
+ *
+ * @param index the index of the log entry
+ */
+ void removeFromAndPersist(long index);
+
/**
* Append an entry to the log
* @param replicatedLogEntry
*/
void append(ReplicatedLogEntry replicatedLogEntry);
+ /**
+ * Optimization method to increase the capacity of the journal log prior to appending entries.
+ *
+ * @param amount the amount to increase by
+ */
+ void increaseJournalLogCapacity(int amount);
+
/**
*
* @param replicatedLogEntry
@@ -68,6 +91,11 @@ public interface ReplicatedLog {
*/
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