protected PrefetcherWithContext CreatePrefetcher(
Action <InMemoryRavenConfiguration> modifyConfiguration = null,
Action <WorkContext> modifyWorkContext = null,
HashSet <string> entityNames = null)
{
var configuration = new InMemoryRavenConfiguration
{
RunInMemory = true
};
configuration.Initialize();
if (modifyConfiguration != null)
{
modifyConfiguration(configuration);
}
var transactionalStorage = new TransactionalStorage(configuration, () => { }, () => { }, () => { }, () => { });
transactionalStorage.Initialize(new SequentialUuidGenerator {
EtagBase = 0
}, new OrderedPartCollection <AbstractDocumentCodec>());
var workContext = new WorkContext
{
Configuration = configuration,
TransactionalStorage = transactionalStorage
};
if (modifyWorkContext != null)
{
modifyWorkContext(workContext);
}
var autoTuner = new IndexBatchSizeAutoTuner(workContext);
var prefetchingBehavior = new PrefetchingBehavior(PrefetchingUser.Indexer, workContext, autoTuner, string.Empty, entityNames);
var prefetcherWithContext = new PrefetcherWithContext
{
AutoTuner = autoTuner,
Configuration = configuration,
PrefetchingBehavior = prefetchingBehavior,
TransactionalStorage = transactionalStorage,
WorkContext = workContext
};
createdPrefetchers.Add(prefetcherWithContext);
return(prefetcherWithContext);
}
public void get_debug_info_ForSpecifiedDatabase_IndexBatchSizeAutoTuner()
{
using (var documentStore = NewDocumentStore())
{
documentStore.DatabaseCommands.GlobalAdmin.CreateDatabase(new DatabaseDocument
{
Id = "Dba1",
Settings =
{
{ "Raven/DataDir", "Dba1" }
}
});
var dbWorkContext = documentStore.ServerIfEmbedded.Options.DatabaseLandlord.GetResourceInternal("Dba1").Result.WorkContext;
var dbName = dbWorkContext.DatabaseName;
var indexBatchAutoTuner = new IndexBatchSizeAutoTuner(dbWorkContext);
var prefetchingBehavior = new PrefetchingBehavior(PrefetchingUser.Indexer, dbWorkContext, indexBatchAutoTuner, string.Empty);
indexBatchAutoTuner.AutoThrottleBatchSize(100, 1024, TimeSpan.MinValue);
indexBatchAutoTuner.HandleLowMemory();
MemoryStatistics.RunLowMemoryHandlers("System detected low memory");
prefetchingBehavior.OutOfMemoryExceptionHappened();
prefetchingBehavior.HandleLowMemory();
var url = $"http://localhost:8079/databases/{dbName}/debug/auto-tuning-info";
var requestWithDbName = documentStore.JsonRequestFactory.CreateHttpJsonRequest(new CreateHttpJsonRequestParams(null, url, HttpMethods.Get,
documentStore.DatabaseCommands.PrimaryCredentials, documentStore.Conventions));
var results = requestWithDbName.ReadResponseJson().JsonDeserialization <AutoTunerInfo>();
var reason = results.Reason;
var reasonForLowMemoryCall = results.LowMemoryCallsRecords.First().Reason;
var lowMemoryRecords = results.LowMemoryCallsRecords.First().Operations;
Assert.Equal("System detected low memory", reasonForLowMemoryCall);
var urlAdmin = $"http://localhost:8079/databases/{dbName}/admin/debug/auto-tuning-info";
var requestWithDbNameAdmin = documentStore.JsonRequestFactory.CreateHttpJsonRequest(new CreateHttpJsonRequestParams(null, url, HttpMethods.Get,
documentStore.DatabaseCommands.PrimaryCredentials, documentStore.Conventions));
var resultsAdmin = requestWithDbNameAdmin.ReadResponseJson().JsonDeserialization <AutoTunerInfo>();
var reasonAdmin = results.Reason;
var reasonForLowMemoryCallAdmin = resultsAdmin.LowMemoryCallsRecords.First().Reason;
var lowMemoryRecordsAdmin = resultsAdmin.LowMemoryCallsRecords.First().Operations;
var cpuUsageRecordsAdmin = resultsAdmin.CpuUsageCallsRecords;
Assert.Equal("System detected low memory", reasonForLowMemoryCallAdmin);
}
}
public void get_debug_info_ForSpecifiedDatabase()
{
using (var documentStore = NewDocumentStore())
{
documentStore.DatabaseCommands.GlobalAdmin.CreateDatabase(new DatabaseDocument
{
Id = "Dba1",
Settings =
{
{ "Raven/DataDir", "Dba1" }
}
});
new Simple().Execute(documentStore.DatabaseCommands.ForDatabase("Dba1"), documentStore.Conventions);
using (var session = documentStore.OpenSession("Dba1"))
{
var entity1 = new Person {
Name = "Rob", Email = "*****@*****.**"
};
var entity2 = new Person {
Name = "Haim", Email = "*****@*****.**"
};
var entity3 = new Person {
Name = "Rob", Email = "*****@*****.**"
};
session.Store(entity1);
session.Store(entity2);
session.Store(entity3);
var persons = session.Query <Person>().Where(x => x.Name == "Rob").ToList();
}
var dbWorkContext = documentStore.ServerIfEmbedded.Options.DatabaseLandlord.GetResourceInternal("Dba1").Result.WorkContext;
var dbName = dbWorkContext.DatabaseName;
var independentBatchSizeAutoTuner = new IndexBatchSizeAutoTuner(dbWorkContext);
var prefetchingBehavior = new PrefetchingBehavior(PrefetchingUser.Indexer, dbWorkContext, independentBatchSizeAutoTuner, string.Empty);
prefetchingBehavior.HandleLowMemory();
independentBatchSizeAutoTuner.AutoThrottleBatchSize(100, 1024, TimeSpan.MinValue);
independentBatchSizeAutoTuner.HandleLowMemory();
MemoryStatistics.RunLowMemoryHandlers("System detected low memory");
var url = $"http://localhost:8079/databases/{dbName}/debug/auto-tuning-info";
var requestWithDbName = documentStore.JsonRequestFactory.CreateHttpJsonRequest(new CreateHttpJsonRequestParams(null, url, HttpMethods.Get,
documentStore.DatabaseCommands.PrimaryCredentials, documentStore.Conventions));
var results = requestWithDbName.ReadResponseJson().JsonDeserialization <AutoTunerInfo>();
var reason = results.Reason;
var reasonForLowMemoryCall = results.LowMemoryCallsRecords.First().Reason;
var lowMemoryRecords = results.LowMemoryCallsRecords.First().Operations;
Assert.Equal("System detected low memory", reasonForLowMemoryCall);
var urlAdmin = $"http://localhost:8079/databases/{dbName}/admin/debug/auto-tuning-info";
var requestWithDbNameAdmin = documentStore.JsonRequestFactory.CreateHttpJsonRequest(new CreateHttpJsonRequestParams(null, url, HttpMethods.Get,
documentStore.DatabaseCommands.PrimaryCredentials, documentStore.Conventions));
var resultsAdmin = requestWithDbNameAdmin.ReadResponseJson().JsonDeserialization <AutoTunerInfo>();
var reasonAdmin = results.Reason;
var reasonForLowMemoryCallAdmin = resultsAdmin.LowMemoryCallsRecords.First().Reason;
var lowMemoryRecordsAdmin = resultsAdmin.LowMemoryCallsRecords.First().Operations;
var cpuUsageRecordsAdmin = resultsAdmin.CpuUsageCallsRecords;
Assert.Equal("System detected low memory", reasonForLowMemoryCallAdmin);
}
}
