public static void FixConsistency(Client client, List <ConfigState.ShardServer> shardServers, Int64 tableID, string startKey, string endKey)
{
if (shardServers.Count <= 1)
{
return;
}
var keyDiffs = new HashSet <string>();
var serverKeys = new string[shardServers.Count][];
var i = 0;
while (true)
{
System.Console.WriteLine("StartKey: " + startKey);
serverKeys = ConfigStateHelpers.ParallelFetchTableKeysHTTP(shardServers, tableID, startKey, endKey, true);
for (i = 1; i < serverKeys.Length; i++)
{
if (serverKeys[0].Length > 0 && serverKeys[i].Length > 1 &&
serverKeys[0].First().CompareTo(serverKeys[i].Last()) < 0)
{
foreach (var diff in serverKeys[i].Except(serverKeys[0]))
{
keyDiffs.Add(diff);
}
}
if (serverKeys[0].Length > 1 && serverKeys[i].Length > 0 &&
serverKeys[i].First().CompareTo(serverKeys[0].Last()) < 0)
{
foreach (var diff in serverKeys[0].Except(serverKeys[i]))
{
keyDiffs.Add(diff);
}
}
}
if (keyDiffs.Count != 0)
{
FixDiffs(client, shardServers, tableID, keyDiffs.ToList());
startKey = keyDiffs.Last();
keyDiffs = new HashSet <string>();
continue;
}
if (serverKeys[0].Length <= 1)
{
break;
}
startKey = serverKeys[0][serverKeys[0].Length - 1];
}
}
public static void CompareTableKeysHTTP(List <ConfigState.ShardServer> shardServers, Int64 tableID, string startKey, string endKey)
{
if (shardServers.Count <= 1)
{
return;
}
var serverKeys = new string[shardServers.Count][];
var i = 0;
while (true)
{
serverKeys = ConfigStateHelpers.ParallelFetchTableKeysHTTP(shardServers, tableID, startKey, endKey, true);
for (i = 1; i < serverKeys.Length; i++)
{
if (!serverKeys[i].SequenceEqual(serverKeys[0]))
{
for (var j = 0; j < Math.Max(serverKeys[i].Length, serverKeys[0].Length); j++)
{
var a = serverKeys[i][j];
var b = serverKeys[0][j];
if (a == b)
{
continue;
}
System.Console.WriteLine("Inconsistency at tableID: " + tableID);
System.Console.WriteLine("NodeID: " + shardServers.ElementAt(i).nodeID + ", key: " + a);
System.Console.WriteLine("NodeID: " + shardServers.ElementAt(0).nodeID + ", key: " + b);
//Assert.IsTrue(a == b);
//return;
goto Out;
}
}
}
Out:
if (serverKeys[0].Length <= 1)
{
break;
}
startKey = serverKeys[0][serverKeys[0].Length - 1];
System.Console.WriteLine("StartKey: " + startKey);
}
}
public static void CompareNumericTableKeysBackwardsHTTP(List <ConfigState.ShardServer> shardServers, Int64 tableID, ulong num)
{
var serverKeys = new string[shardServers.Count][];
var startKey = Utils.Id(num);
var endKey = "";
ulong counter = num;
while (true)
{
serverKeys = ConfigStateHelpers.ParallelFetchTableKeysHTTP(shardServers, tableID, startKey, endKey, false);
var referenceKeys = ConfigStateHelpers.GenerateNumericKeysBackwards(counter, (ulong)serverKeys[0].Length);
for (var i = 0; i < serverKeys.Length; i++)
{
if (!serverKeys[i].SequenceEqual(referenceKeys))
{
for (var j = 0; j < Math.Max(serverKeys[i].Length, referenceKeys.Length); j++)
{
var a = serverKeys[i][j];
var b = referenceKeys[j];
if (a == b)
{
continue;
}
//Assert.IsTrue(a == b);
System.Console.WriteLine("Inconsistency at tableID: " + tableID);
System.Console.WriteLine("NodeID: " + shardServers.ElementAt(i).nodeID + ", key: " + a);
Assert.IsTrue(a == b);
return;
}
}
}
if (serverKeys[0].Length <= 1)
{
break;
}
startKey = serverKeys[0][serverKeys[0].Length - 1];
counter -= (ulong)referenceKeys.Length - 1;
System.Console.WriteLine("StartKey: " + startKey);
}
}
