}
- leaf shard-hearbeat-interval-in-millis {
+ leaf shard-heartbeat-interval-in-millis {
default 500;
type heartbeat-interval-type;
description "The interval at which a shard will send a heart beat message to its remote shard.";
}
+ leaf shard-election-timeout-factor {
+ default 2;
+ type non-zero-uint32-type;
+ description "The multiplication factor to be used to determine shard election timeout. The shard election timeout
+ is determined by multiplying shard-heartbeat-interval-in-millis with the shard-election-timeout-factor";
+ }
+
leaf operation-timeout-in-seconds {
default 5;
type operation-timeout-type;
}
leaf shard-journal-recovery-log-batch-size {
- default 5000;
+ default 1000;
type non-zero-uint32-type;
description "The maximum number of journal log entries to batch on recovery for a shard before committing to the data store.";
}
an operation (eg transaction create).";
}
+ leaf shard-batched-modification-count {
+ default 100;
+ type non-zero-uint32-type;
+ description "The number of transaction modification operations (put, merge, delete) to
+ batch before sending to the shard transaction actor. Batching improves
+ performance as less modifications messages are sent to the actor and thus
+ lessens the chance that the transaction actor's mailbox queue could get full.";
+ }
+
leaf enable-metric-capture {
default false;
type boolean;
description "The interval at which the leader of the shard will check if its majority
followers are active and term itself as isolated";
}
+
+ leaf transaction-creation-initial-rate-limit {
+ default 100;
+ type non-zero-uint32-type;
+ description "The initial number of transactions per second that are allowed before the data store
+ should begin applying back pressure. This number is only used as an initial guidance,
+ subsequently the datastore measures the latency for a commit and auto-adjusts the rate limit";
+ }
}
// Augments the 'configuration' choice node under modules/module.