public void Apply(TransactionOperationContext context, long uptoInclusive, Leader leader, ServerStore serverStore)
{
Debug.Assert(context.Transaction != null);
var lastAppliedIndex = _parent.GetLastCommitIndex(context);
for (var index = lastAppliedIndex + 1; index <= uptoInclusive; index++)
{
var cmd = _parent.GetEntry(context, index, out RachisEntryFlags flags);
if (cmd == null || flags == RachisEntryFlags.Invalid)
{
throw new InvalidOperationException("Expected to apply entry " + index + " but it isn't stored");
}
if (flags != RachisEntryFlags.StateMachineCommand)
{
continue;
}
Apply(context, cmd, index, leader, serverStore);
}
var term = _parent.GetTermForKnownExisting(context, uptoInclusive);
_parent.SetLastCommitIndex(context, uptoInclusive, term);
}
public long Apply(ClusterOperationContext context, long uptoInclusive, Leader leader, ServerStore serverStore, Stopwatch duration)
{
Debug.Assert(context.Transaction != null);
var lastAppliedIndex = _parent.GetLastCommitIndex(context);
var maxTimeAllowedToWaitForApply = _parent.Timeout.TimeoutPeriod / 4;
for (var index = lastAppliedIndex + 1; index <= uptoInclusive; index++)
{
var cmd = _parent.GetEntry(context, index, out RachisEntryFlags flags);
if (cmd == null || flags == RachisEntryFlags.Invalid)
{
throw new InvalidOperationException("Expected to apply entry " + index + " but it isn't stored");
}
lastAppliedIndex = index;
if (flags != RachisEntryFlags.StateMachineCommand)
{
_parent.LogHistory.UpdateHistoryLog(context, index, _parent.CurrentTerm, cmd, null, null);
var currentIndex = index;
context.Transaction.InnerTransaction.LowLevelTransaction.OnDispose += t =>
{
if (t is LowLevelTransaction llt && llt.Committed)
{
serverStore.Cluster.NotifyAndSetCompleted(currentIndex);
}
};
continue;
}
Apply(context, cmd, index, leader, serverStore);
if (duration.ElapsedMilliseconds >= maxTimeAllowedToWaitForApply)
{
// we don't want to spend so much time applying commands that we will time out the leader
// so we time this from the follower perspective and abort after applying a single command
// or 25% of the time has already passed
break;
}
}
var term = _parent.GetTermForKnownExisting(context, lastAppliedIndex);
_parent.SetLastCommitIndex(context, lastAppliedIndex, term);
return(lastAppliedIndex);
}
protected abstract void Apply(ClusterOperationContext context, BlittableJsonReaderObject cmd, long index, Leader leader, ServerStore serverStore);