Add config class for the threading service used by a document db.

1 files changed, 66 insertions, 0 deletions

diff --git a/searchcore/src/tests/proton/documentdb/threading_service_config/threading_service_config_test.cpp b/searchcore/src/tests/proton/documentdb/threading_service_config/threading_service_config_test.cpp
new file mode 100644
index 00000000000..658ebe818eb
--- /dev/null
+++ b/searchcore/src/tests/proton/documentdb/threading_service_config/threading_service_config_test.cpp
@@ -0,0 +1,66 @@
+// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#include <vespa/log/log.h>
+LOG_SETUP("threading_service_config_test");
+
+#include <vespa/searchcore/config/config-proton.h>
+#include <vespa/searchcore/proton/common/hw_info.h>
+#include <vespa/searchcore/proton/server/threading_service_config.h>
+#include <vespa/vespalib/testkit/testapp.h>
+
+using namespace proton;
+using ProtonConfig = vespa::config::search::core::ProtonConfig;
+using ProtonConfigBuilder = vespa::config::search::core::ProtonConfigBuilder;
+
+struct Fixture {
+    ProtonConfig cfg;
+    Fixture(uint32_t baseLineIndexingThreads = 2)
+        : cfg(makeConfig(baseLineIndexingThreads))
+    {
+    }
+    ProtonConfig makeConfig(uint32_t baseLineIndexingThreads) {
+        ProtonConfigBuilder builder;
+        builder.indexing.threads = baseLineIndexingThreads;
+        builder.indexing.tasklimit = 500;
+        builder.indexing.semiunboundtasklimit = 50000;
+        builder.feeding.concurrency = 0.5;
+        return builder;
+    }
+    ThreadingServiceConfig make(uint32_t cpuCores) {
+        return ThreadingServiceConfig::make(cfg, HwInfo::Cpu(cpuCores));
+    }
+    void assertIndexingThreads(uint32_t expIndexingThreads, uint32_t cpuCores) {
+        EXPECT_EQUAL(expIndexingThreads, make(cpuCores).indexingThreads());
+    }
+};
+
+TEST_F("require that indexing threads are set based on cpu cores and feeding concurrency", Fixture)
+{
+    TEST_DO(f.assertIndexingThreads(2, 1));
+    TEST_DO(f.assertIndexingThreads(2, 4));
+    TEST_DO(f.assertIndexingThreads(2, 8));
+    TEST_DO(f.assertIndexingThreads(2, 12));
+    TEST_DO(f.assertIndexingThreads(3, 13));
+    TEST_DO(f.assertIndexingThreads(3, 18));
+    TEST_DO(f.assertIndexingThreads(4, 19));
+    TEST_DO(f.assertIndexingThreads(4, 24));
+}
+
+TEST_F("require that indexing threads is always >= 1", Fixture(0))
+{
+    TEST_DO(f.assertIndexingThreads(1, 0));
+}
+
+TEST_F("require that default task limit is set", Fixture)
+{
+    EXPECT_EQUAL(500u, f.make(24).defaultTaskLimit());
+}
+
+TEST_F("require that semiunbound task limit is scaled based on indexing threads", Fixture)
+{
+    EXPECT_EQUAL(12500u, f.make(24).semiUnboundTaskLimit());
+}
+
+TEST_MAIN()
+{
+    TEST_RUN_ALL();
+}