public void WideBatchRows()
{
string uniqueTableName = "wide_batch_rows" + Randomm.RandomAlphaNum(16);
TestWideBatchRows(_session, uniqueTableName);
}
public void KeyspacesMetadataAvailableAtStartup(bool metadataSync)
{
var cluster = GetNewCluster(builder => builder.WithMetadataSyncOptions(new MetadataSyncOptions().SetMetadataSyncEnabled(metadataSync)));
// Basic status check
Assert.Greater(cluster.Metadata.GetKeyspaces().Count, 0);
Assert.NotNull(cluster.Metadata.GetKeyspace("system"));
Assert.AreEqual("system", cluster.Metadata.GetKeyspace("system").Name);
Assert.NotNull(cluster.Metadata.GetKeyspace("system").AsCqlQuery());
//Not existent tables return null
Assert.Null(cluster.Metadata.GetKeyspace("nonExistentKeyspace_" + Randomm.RandomAlphaNum(12)));
Assert.Null(cluster.Metadata.GetTable("nonExistentKeyspace_" + Randomm.RandomAlphaNum(12), "nonExistentTable_" + Randomm.RandomAlphaNum(12)));
Assert.Null(cluster.Metadata.GetTable("system", "nonExistentTable_" + Randomm.RandomAlphaNum(12)));
//Case sensitive
Assert.Null(cluster.Metadata.GetKeyspace("SYSTEM"));
}
private static string GetUniqueTableName()
{
return("LgDataTsts_" + Randomm.RandomAlphaNum(16));
}
public void MassiveAsyncTest()
{
Cluster localCluster = _builder.Build();
ISession localSession = localCluster.Connect();
string keyspaceName = "kp_mat_" + Randomm.RandomAlphaNum(8);
localSession.Execute(
string.Format(@"CREATE KEYSPACE {0}
WITH replication = {{ 'class' : 'SimpleStrategy', 'replication_factor' : 2 }};"
, keyspaceName));
localSession.ChangeKeyspace(keyspaceName);
string tableName = "table" + Randomm.RandomAlphaNum(8);
localSession.Execute(string.Format(@"CREATE TABLE {0}(
tweet_id uuid,
author text,
body text,
isok boolean,
PRIMARY KEY(tweet_id))", tableName));
int RowsNo = 100;
var ar = new bool[RowsNo];
var thr = new Thread(() =>
{
for (int i = 0; i < RowsNo; i++)
{
int tmpi = i;
localSession.BeginExecute(string.Format(@"INSERT INTO {0} (
tweet_id,
author,
isok,
body)
VALUES ({1},'test{2}',{3},'body{2}');", tableName, Guid.NewGuid(), i, i % 2 == 0 ? "false" : "true")
, ConsistencyLevel.One, _ =>
{
ar[tmpi] = true;
Interlocked.MemoryBarrier();
}, null);
}
});
thr.Start();
var done = new HashSet <int>();
while (done.Count < RowsNo)
{
for (int i = 0; i < RowsNo; i++)
{
Interlocked.MemoryBarrier();
if (!done.Contains(i) && ar[i])
{
done.Add(i);
}
}
}
thr.Join();
Trace.TraceInformation("Inserted... now we are checking the count");
var ret = localSession.Execute(string.Format(@"SELECT * from {0} LIMIT {1};", tableName, RowsNo + 100), ConsistencyLevel.Quorum);
Assert.AreEqual(RowsNo, ret.GetRows().ToList().Count);
localSession.Dispose();
}
public void ParallelInsertTest()
{
Cluster localCluster = _builder.Build();
ISession localSession = localCluster.Connect();
string keyspaceName = "kp_pi1_" + Randomm.RandomAlphaNum(10);
localSession.Execute(string.Format(@"CREATE KEYSPACE {0} WITH replication = {{ 'class' : 'SimpleStrategy', 'replication_factor' : 2 }};", keyspaceName));
TestUtils.WaitForSchemaAgreement(localCluster);
localSession.ChangeKeyspace(keyspaceName);
for (int KK = 0; KK < 1; KK++)
{
string tableName = "table" + Guid.NewGuid().ToString("N").ToLower();
try
{
localSession.Execute(string.Format(@"
CREATE TABLE {0}(
tweet_id uuid,
author text,
body text,
isok boolean,
PRIMARY KEY(tweet_id))", tableName));
TestUtils.WaitForSchemaAgreement(localCluster);
}
catch (AlreadyExistsException)
{
}
int RowsNo = 1000;
var ar = new IAsyncResult[RowsNo];
var threads = new List <Thread>();
var monit = new object();
int readyCnt = 0;
Trace.TraceInformation("Preparing...");
for (int idx = 0; idx < RowsNo; idx++)
{
int i = idx;
threads.Add(new Thread(() =>
{
try
{
lock (monit)
{
readyCnt++;
Monitor.Wait(monit);
}
ar[i] = localSession.BeginExecute(string.Format(@"
INSERT INTO {0} (tweet_id, author, isok, body)
VALUES ({1},'test{2}',{3},'body{2}');",
tableName, Guid.NewGuid(), i, i % 2 == 0 ? "false" : "true"), ConsistencyLevel.One, null, null);
Interlocked.MemoryBarrier();
}
catch
{
}
}));
}
for (int idx = 0; idx < RowsNo; idx++)
{
threads[idx].Start();
}
lock (monit)
{
while (true)
{
if (readyCnt < RowsNo)
{
Monitor.Exit(monit);
Thread.Sleep(100);
Monitor.Enter(monit);
}
else
{
Monitor.PulseAll(monit);
break;
}
}
}
Trace.TraceInformation("Start!");
var done = new HashSet <int>();
while (done.Count < RowsNo)
{
for (int i = 0; i < RowsNo; i++)
{
Interlocked.MemoryBarrier();
if (!done.Contains(i) && ar[i] != null)
{
if (ar[i].AsyncWaitHandle.WaitOne(10))
{
try
{
localSession.EndExecute(ar[i]);
}
catch (Exception ex)
{
Trace.TraceError("There was an exception while trying to end the async Execution: " + Environment.NewLine + ex);
}
done.Add(i);
}
}
}
}
Trace.TraceInformation("Inserted... now we are checking the count");
var ret = localSession.Execute(string.Format(@"SELECT * from {0} LIMIT {1};", tableName, RowsNo + 100), ConsistencyLevel.Quorum);
Assert.AreEqual(RowsNo, ret.GetRows().ToList().Count);
for (int idx = 0; idx < RowsNo; idx++)
{
threads[idx].Join();
}
}
}
public void KeyspacesMetadataAvailableAtStartup()
{
ITestCluster testCluster = TestClusterManager.GetNonShareableTestCluster(DefaultNodeCount);
var cluster = testCluster.Cluster;
// Basic status check
Assert.Greater(cluster.Metadata.GetKeyspaces().Count, 0);
Assert.NotNull(cluster.Metadata.GetKeyspace("system"));
Assert.AreEqual("system", cluster.Metadata.GetKeyspace("system").Name);
//Not existent tables return null
Assert.Null(cluster.Metadata.GetKeyspace("nonExistentKeyspace_" + Randomm.RandomAlphaNum(12)));
Assert.Null(cluster.Metadata.GetTable("nonExistentKeyspace_" + Randomm.RandomAlphaNum(12), "nonExistentTable_" + Randomm.RandomAlphaNum(12)));
Assert.Null(cluster.Metadata.GetTable("system", "nonExistentTable_" + Randomm.RandomAlphaNum(12)));
//Case sensitive
Assert.Null(cluster.Metadata.GetKeyspace("SYSTEM"));
}
public void WideTable()
{
string uniqueTableName = "wide_table" + Randomm.RandomAlphaNum(16);
TestWideTable(_session, uniqueTableName);
}
public void LargeText()
{
string uniqueTableName = "large_text_" + Randomm.RandomAlphaNum(16);
TestLargeText(_session, uniqueTableName);
}
public void WideByteRows()
{
string uniqueTableName = "wide_byte_rows" + Randomm.RandomAlphaNum(16);
TestByteRows(_session, uniqueTableName);
}
public void Parallel_Insert_And_Select_Sync()
{
var originalTraceLevel = Diagnostics.CassandraTraceSwitch.Level;
ITestCluster testCluster = TestClusterManager.GetTestCluster(3);
Diagnostics.CassandraTraceSwitch.Level = TraceLevel.Warning;
testCluster.Builder = Cluster.Builder().WithRetryPolicy(DowngradingConsistencyRetryPolicy.Instance);
testCluster.InitClient();
ISession session = testCluster.Session;
string uniqueKsName = "keyspace_" + Randomm.RandomAlphaNum(10);
session.Execute(@"CREATE KEYSPACE " + uniqueKsName +
" WITH replication = {'class': 'SimpleStrategy', 'replication_factor' : 3};");
TestUtils.WaitForSchemaAgreement(testCluster.Cluster);
session.ChangeKeyspace(uniqueKsName);
string tableName = "table_" + Guid.NewGuid().ToString("N").ToLower();
session.Execute(String.Format(TestUtils.CREATE_TABLE_TIME_SERIES, tableName));
TestUtils.WaitForSchemaAgreement(testCluster.Cluster);
var insertQuery = String.Format("INSERT INTO {0} (id, event_time, text_sample) VALUES (?, ?, ?)", tableName);
var insertQueryPrepared = session.Prepare(insertQuery);
var selectQuery = String.Format("SELECT * FROM {0} LIMIT 10000", tableName);
const int rowsPerId = 1000;
object insertQueryStatement = new SimpleStatement(insertQuery);
if (CassandraVersion.Major < 2)
{
//Use prepared statements all the way as it is not possible to bind on a simple statement with C* 1.2
insertQueryStatement = session.Prepare(insertQuery);
}
var actionInsert = GetInsertAction(session, insertQueryStatement, ConsistencyLevel.Quorum, rowsPerId);
var actionInsertPrepared = GetInsertAction(session, insertQueryPrepared, ConsistencyLevel.Quorum, rowsPerId);
var actionSelect = GetSelectAction(session, selectQuery, ConsistencyLevel.Quorum, 10);
//Execute insert sync to have some records
actionInsert();
//Execute select sync to assert that everything is going OK
actionSelect();
var actions = new List <Action>();
for (var i = 0; i < 10; i++)
{
//Add 10 actions to execute
actions.AddRange(new[] { actionInsert, actionSelect, actionInsertPrepared });
actions.AddRange(new[] { actionSelect, actionInsert, actionInsertPrepared, actionInsert });
actions.AddRange(new[] { actionInsertPrepared, actionInsertPrepared, actionSelect });
}
//Execute in parallel the 100 actions
var parallelOptions = new ParallelOptions();
parallelOptions.TaskScheduler = new ThreadPerTaskScheduler();
parallelOptions.MaxDegreeOfParallelism = 300;
Parallel.Invoke(parallelOptions, actions.ToArray());
Parallel.Invoke(actions.ToArray());
Diagnostics.CassandraTraceSwitch.Level = originalTraceLevel;
}
