1be3be5522
Summary: Two recent diffs can be autoformatted. Also add HISTORY.md entry for https://github.com/facebook/rocksdb/pull/6214 Pull Request resolved: https://github.com/facebook/rocksdb/pull/6685 Test Plan: Run all existing tests Reviewed By: cheng-chang Differential Revision: D20965780 fbshipit-source-id: 195b08d7849513d42fe14073112cd19fdda6af95
103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// Copyright (c) 2019 Intel Corporation
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include <cstdio>
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#ifdef MEMKIND
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#include "memkind_kmem_allocator.h"
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#include "rocksdb/cache.h"
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#include "rocksdb/db.h"
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#include "rocksdb/options.h"
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#include "table/block_based/block_based_table_factory.h"
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#include "test_util/testharness.h"
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namespace rocksdb {
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TEST(MemkindKmemAllocatorTest, Allocate) {
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MemkindKmemAllocator allocator;
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void* p;
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try {
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p = allocator.Allocate(1024);
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} catch (const std::bad_alloc& e) {
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return;
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}
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ASSERT_NE(p, nullptr);
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size_t size = allocator.UsableSize(p, 1024);
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ASSERT_GE(size, 1024);
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allocator.Deallocate(p);
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}
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TEST(MemkindKmemAllocatorTest, DatabaseBlockCache) {
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// Check if a memory node is available for allocation
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try {
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MemkindKmemAllocator allocator;
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allocator.Allocate(1024);
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} catch (const std::bad_alloc& e) {
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return; // if no node available, skip the test
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}
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// Create database with block cache using MemkindKmemAllocator
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Options options;
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std::string dbname = test::PerThreadDBPath("memkind_kmem_allocator_test");
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ASSERT_OK(DestroyDB(dbname, options));
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options.create_if_missing = true;
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std::shared_ptr<Cache> cache = NewLRUCache(
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1024 * 1024, 6, false, false, std::make_shared<MemkindKmemAllocator>());
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BlockBasedTableOptions table_options;
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table_options.block_cache = cache;
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options.table_factory.reset(NewBlockBasedTableFactory(table_options));
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DB* db = nullptr;
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Status s = DB::Open(options, dbname, &db);
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ASSERT_OK(s);
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ASSERT_NE(db, nullptr);
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ASSERT_EQ(cache->GetUsage(), 0);
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// Write 2kB (200 values, each 10 bytes)
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int num_keys = 200;
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WriteOptions wo;
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std::string val = "0123456789";
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for (int i = 0; i < num_keys; i++) {
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std::string key = std::to_string(i);
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s = db->Put(wo, Slice(key), Slice(val));
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ASSERT_OK(s);
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}
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ASSERT_OK(db->Flush(FlushOptions())); // Flush all data from memtable so that
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// reads are from block cache
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// Read and check block cache usage
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ReadOptions ro;
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std::string result;
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for (int i = 0; i < num_keys; i++) {
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std::string key = std::to_string(i);
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s = db->Get(ro, key, &result);
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ASSERT_OK(s);
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ASSERT_EQ(result, val);
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}
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ASSERT_GT(cache->GetUsage(), 2000);
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// Close database
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s = db->Close();
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ASSERT_OK(s);
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ASSERT_OK(DestroyDB(dbname, options));
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}
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} // namespace rocksdb
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int main(int argc, char** argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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#else
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int main(int /*argc*/, char** /*argv*/) {
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printf(
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"Skip memkind_kmem_allocator_test as the required library memkind is "
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"missing.");
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}
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#endif // MEMKIND
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