public void TestCreateCollectionSetStorageEngine()
{
RequireServer.Check().VersionGreaterThanOrEqualTo("2.7.0");
var collection = _database.GetCollection("storage_engine_collection");
collection.Drop();
Assert.False(collection.Exists());
var storageEngineOptions = new BsonDocument
{
{ "wiredTiger", new BsonDocument("configString", "block_compressor=zlib") }
};
if (Feature.MmapV1StorageEngine.IsSupported(CoreTestConfiguration.ServerVersion))
{
storageEngineOptions.Add("mmapv1", new BsonDocument());
}
var options = CollectionOptions.SetStorageEngineOptions(storageEngineOptions);
_database.CreateCollection(collection.Name, options);
var result = _database.RunCommand("listCollections");
var resultCollection = result.Response["cursor"]["firstBatch"].AsBsonArray.Where(doc => doc["name"] == collection.Name).Single();
Assert.Equal(storageEngineOptions, resultCollection["options"]["storageEngine"]);
}
public void TestCreateCollectionSetStorageEngine()
{
var collection = _database.GetCollection("storage_engine_collection");
collection.Drop();
Assert.IsFalse(collection.Exists());
var storageEngineOptions = new BsonDocument
{
{ "wiredTiger", new BsonDocument("configString", "block_compressor=zlib") },
{ "mmapv1", new BsonDocument() }
};
var options = CollectionOptions.SetStorageEngineOptions(storageEngineOptions);
_database.CreateCollection(collection.Name, options);
var result = _database.RunCommand("listCollections");
var resultCollection = result.Response["cursor"]["firstBatch"].AsBsonArray.Where(doc => doc["name"] == collection.Name).Single();
Assert.AreEqual(storageEngineOptions, resultCollection["options"]["storageEngine"]);
}
private static void CreateCollection(MongoCollection <BsonDocument> sourceCollection, MongoCollection <BsonDocument> targetCollection, FlexibleOptions options)
{
if (targetCollection.Exists())
{
return;
}
List <string> config = new List <string> ();
if (!String.IsNullOrWhiteSpace(options.Get("collection-wt-configString")))
{
config.AddRange(options.Get("collection-wt-configString", "").Split(',').Select(i => i.Trim()).Where(i => !String.IsNullOrEmpty(i)));
}
if (options.HasOption("collection-wt-block-compressor") && valid_wt_compressors.Contains(options.Get("collection-wt-block-compressor", "invalid")))
{
config.RemoveAll(i => i.StartsWith("block_compressor=", StringComparison.OrdinalIgnoreCase));
config.Add("block_compressor=" + options.Get("collection-wt-block-compressor", "").ToLowerInvariant());
}
if (!String.IsNullOrWhiteSpace(options.Get("collection-wt-allocation")))
{
// Mongodb version 3.0.4 defaults to: "allocation_size=4KB,internal_page_max=4KB,leaf_page_max=32KB,leaf_value_max=1MB"
if (options.Get("collection-wt-allocation") == "2x")
{
config.RemoveAll(i =>
i.StartsWith("allocation_size=", StringComparison.OrdinalIgnoreCase) ||
i.StartsWith("leaf_page_max=", StringComparison.OrdinalIgnoreCase) ||
i.StartsWith("internal_page_max=", StringComparison.OrdinalIgnoreCase));
config.Add("allocation_size=8KB");
config.Add("leaf_page_max=64KB");
config.Add("internal_page_max=8KB");
}
else if (options.Get("collection-wt-allocation") == "4x")
{
config.RemoveAll(i =>
i.StartsWith("allocation_size=", StringComparison.OrdinalIgnoreCase) ||
i.StartsWith("leaf_page_max=", StringComparison.OrdinalIgnoreCase) ||
i.StartsWith("internal_page_max=", StringComparison.OrdinalIgnoreCase));
config.Add("allocation_size=16KB");
config.Add("leaf_page_max=64KB");
config.Add("internal_page_max=16KB");
}
else if (options.Get("collection-wt-allocation") == "8x")
{
config.RemoveAll(i =>
i.StartsWith("allocation_size=", StringComparison.OrdinalIgnoreCase) ||
i.StartsWith("leaf_page_max=", StringComparison.OrdinalIgnoreCase) ||
i.StartsWith("internal_page_max=", StringComparison.OrdinalIgnoreCase));
config.Add("allocation_size=32KB");
config.Add("leaf_page_max=128KB");
config.Add("internal_page_max=32KB");
}
}
// apply configuration
if (config.Count > 0)
{
try
{
var storageEngineDoc = new BsonDocument("wiredTiger", new BsonDocument("configString", String.Join(",", config)));
targetCollection.Database.CreateCollection(targetCollection.Name, CollectionOptions.SetStorageEngineOptions(storageEngineDoc));
}
catch (Exception ex)
{
NLog.LogManager.GetLogger("CreateCollection").Error(ex);
}
}
}
