Improve segmented journal actor metrics

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / main / java / org / opendaylight / controller / cluster / raft / ConfigParams.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ConfigParams.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ConfigParams.java
index fb571f11f84179fcfe49ff78434b76daf012e945..7f98295a300c6861e78fe383713801aada7d62ca 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ConfigParams.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ConfigParams.java
@@ -12,14 +12,9 @@ import org.opendaylight.controller.cluster.raft.policy.RaftPolicy;
 import scala.concurrent.duration.FiniteDuration;
 
 /**
- * Configuration Parameter interface for configuring the Raft consensus system
- *
- * <p>
- * Any component using this implementation might want to provide an implementation of
- * this interface to configure
- *
- * <p>
- * A default implementation will be used if none is provided.
+ * Configuration Parameter interface for configuring the Raft consensus system. Any component using this implementation
+ * might want to provide an implementation of this interface to configure. A default implementation will be used if none
+ * is provided.
  *
  * @author Kamal Rameshan
  */
@@ -35,11 +30,28 @@ public interface ConfigParams {
 
     /**
      * Returns the percentage of total memory used in the in-memory Raft log before a snapshot should be taken.
+     * Disabled when direct threshold is enabled.
      *
      * @return the percentage.
      */
     int getSnapshotDataThresholdPercentage();
 
+    /**
+     * Returns the max size of memory used in the in-memory Raft log before a snapshot should be taken. 0 means that
+     * direct threshold is disabled and percentage is used instead.
+     *
+     * @return maximum journal size (in MiB).
+     */
+    int getSnapshotDataThreshold();
+
+    /**
+     * Returns the interval(in seconds) after which a snapshot should be taken during recovery. Negative value means
+     * do not take snapshots.
+     *
+     * @return the interval of recovery snapshot in seconds
+     */
+    int getRecoverySnapshotIntervalSeconds();
+
     /**
      * Returns the interval at which a heart beat message should be sent to remote followers.
      *
@@ -54,6 +66,14 @@ public interface ConfigParams {
      */
     FiniteDuration getElectionTimeOutInterval();
 
+    /**
+     * Returns the number by which a candidate should divide the election timeout it has calculated. This serves
+     * to speed up retries when elections result in a stalemate.
+     *
+     * @return the interval as a FiniteDuration.
+     */
+    long getCandidateElectionTimeoutDivisor();
+
     /**
      * Returns the maximum election time variance. The election is scheduled using both the election timeout
      * and variance.
@@ -67,7 +87,7 @@ public interface ConfigParams {
      *
      * @return the maximum size (in bytes).
      */
-    int getSnapshotChunkSize();
+    int getMaximumMessageSliceSize();
 
     /**
      * Returns the maximum number of journal log entries to batch on recovery before applying.
@@ -83,7 +103,6 @@ public interface ConfigParams {
      */
     long getIsolatedCheckIntervalInMillis();
 
-
     /**
      * Returns the multiplication factor to be used to determine the shard election timeout. The election timeout
      * is determined by multiplying the election timeout factor with the heart beat duration.
@@ -92,7 +111,6 @@ public interface ConfigParams {
      */
     long getElectionTimeoutFactor();
 
-
     /**
      * Returns the RaftPolicy used to determine certain Raft behaviors.
      *