diff options
Diffstat (limited to 'src/test/objectstore/test_bluefs.cc')
-rw-r--r-- | src/test/objectstore/test_bluefs.cc | 717 |
1 files changed, 717 insertions, 0 deletions
diff --git a/src/test/objectstore/test_bluefs.cc b/src/test/objectstore/test_bluefs.cc new file mode 100644 index 00000000..e33f424d --- /dev/null +++ b/src/test/objectstore/test_bluefs.cc @@ -0,0 +1,717 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include <stdio.h> +#include <string.h> +#include <iostream> +#include <time.h> +#include <fcntl.h> +#include <unistd.h> +#include <random> +#include <thread> +#include "global/global_init.h" +#include "common/ceph_argparse.h" +#include "include/stringify.h" +#include "include/scope_guard.h" +#include "common/errno.h" +#include <gtest/gtest.h> + +#include "os/bluestore/BlueFS.h" + +std::unique_ptr<char[]> gen_buffer(uint64_t size) +{ + std::unique_ptr<char[]> buffer = std::make_unique<char[]>(size); + std::independent_bits_engine<std::default_random_engine, CHAR_BIT, unsigned char> e; + std::generate(buffer.get(), buffer.get()+size, std::ref(e)); + return buffer; +} + +class TempBdev { +public: + TempBdev(uint64_t size) + : path{get_temp_bdev(size)} + {} + ~TempBdev() { + rm_temp_bdev(path); + } + const std::string path; +private: + static string get_temp_bdev(uint64_t size) + { + static int n = 0; + string fn = "ceph_test_bluefs.tmp.block." + stringify(getpid()) + + "." + stringify(++n); + int fd = ::open(fn.c_str(), O_CREAT|O_RDWR|O_TRUNC, 0644); + ceph_assert(fd >= 0); + int r = ::ftruncate(fd, size); + ceph_assert(r >= 0); + ::close(fd); + return fn; + } + static void rm_temp_bdev(string f) + { + ::unlink(f.c_str()); + } +}; + +TEST(BlueFS, mkfs) { + uint64_t size = 1048576 * 128; + TempBdev bdev{size}; + uuid_d fsid; + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + ASSERT_EQ(0, fs.mkfs(fsid)); +} + +TEST(BlueFS, mkfs_mount) { + uint64_t size = 1048576 * 128; + TempBdev bdev{size}; + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + ASSERT_EQ(fs.get_total(BlueFS::BDEV_DB), size - 1048576); + ASSERT_LT(fs.get_free(BlueFS::BDEV_DB), size - 1048576); + fs.umount(); +} + +TEST(BlueFS, write_read) { + uint64_t size = 1048576 * 128; + TempBdev bdev{size}; + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + { + BlueFS::FileWriter *h; + ASSERT_EQ(0, fs.mkdir("dir")); + ASSERT_EQ(0, fs.open_for_write("dir", "file", &h, false)); + h->append("foo", 3); + h->append("bar", 3); + h->append("baz", 3); + fs.fsync(h); + fs.close_writer(h); + } + { + BlueFS::FileReader *h; + ASSERT_EQ(0, fs.open_for_read("dir", "file", &h)); + bufferlist bl; + BlueFS::FileReaderBuffer buf(4096); + ASSERT_EQ(9, fs.read(h, &buf, 0, 1024, &bl, NULL)); + ASSERT_EQ(0, strncmp("foobarbaz", bl.c_str(), 9)); + delete h; + } + fs.umount(); +} + +TEST(BlueFS, small_appends) { + uint64_t size = 1048576 * 128; + TempBdev bdev{size}; + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + { + BlueFS::FileWriter *h; + ASSERT_EQ(0, fs.mkdir("dir")); + ASSERT_EQ(0, fs.open_for_write("dir", "file", &h, false)); + for (unsigned i = 0; i < 10000; ++i) { + h->append("abcdeabcdeabcdeabcdeabcdeabc", 23); + } + fs.fsync(h); + fs.close_writer(h); + } + { + BlueFS::FileWriter *h; + ASSERT_EQ(0, fs.open_for_write("dir", "file_sync", &h, false)); + for (unsigned i = 0; i < 1000; ++i) { + h->append("abcdeabcdeabcdeabcdeabcdeabc", 23); + ASSERT_EQ(0, fs.fsync(h)); + } + fs.close_writer(h); + } + fs.umount(); +} + +TEST(BlueFS, very_large_write) { + // we'll write a ~5G file, so allocate more than that for the whole fs + uint64_t size = 1048576 * 1024 * 6ull; + TempBdev bdev{size}; + BlueFS fs(g_ceph_context); + + bool old = g_ceph_context->_conf.get_val<bool>("bluefs_buffered_io"); + g_ceph_context->_conf.set_val("bluefs_buffered_io", "false"); + uint64_t total_written = 0; + + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + char buf[1048571]; // this is biggish, but intentionally not evenly aligned + for (unsigned i = 0; i < sizeof(buf); ++i) { + buf[i] = i; + } + { + BlueFS::FileWriter *h; + ASSERT_EQ(0, fs.mkdir("dir")); + ASSERT_EQ(0, fs.open_for_write("dir", "bigfile", &h, false)); + for (unsigned i = 0; i < 3*1024*1048576ull / sizeof(buf); ++i) { + h->append(buf, sizeof(buf)); + total_written += sizeof(buf); + } + fs.fsync(h); + for (unsigned i = 0; i < 2*1024*1048576ull / sizeof(buf); ++i) { + h->append(buf, sizeof(buf)); + total_written += sizeof(buf); + } + fs.fsync(h); + fs.close_writer(h); + } + { + BlueFS::FileReader *h; + ASSERT_EQ(0, fs.open_for_read("dir", "bigfile", &h)); + bufferlist bl; + BlueFS::FileReaderBuffer readbuf(10485760); + ASSERT_EQ(h->file->fnode.size, total_written); + for (unsigned i = 0; i < 3*1024*1048576ull / sizeof(buf); ++i) { + bl.clear(); + fs.read(h, &readbuf, i * sizeof(buf), sizeof(buf), &bl, NULL); + int r = memcmp(buf, bl.c_str(), sizeof(buf)); + if (r) { + cerr << "read got mismatch at offset " << i*sizeof(buf) << " r " << r + << std::endl; + } + ASSERT_EQ(0, r); + } + for (unsigned i = 0; i < 2*1024*1048576ull / sizeof(buf); ++i) { + bl.clear(); + fs.read(h, &readbuf, i * sizeof(buf), sizeof(buf), &bl, NULL); + int r = memcmp(buf, bl.c_str(), sizeof(buf)); + if (r) { + cerr << "read got mismatch at offset " << i*sizeof(buf) << " r " << r + << std::endl; + } + ASSERT_EQ(0, r); + } + delete h; + ASSERT_EQ(0, fs.open_for_read("dir", "bigfile", &h)); + ASSERT_EQ(h->file->fnode.size, total_written); + unique_ptr<char> huge_buf(new char[h->file->fnode.size]); + auto l = h->file->fnode.size; + int64_t r = fs.read(h, &readbuf, 0, l, NULL, huge_buf.get()); + ASSERT_EQ(r, (int64_t)l); + delete h; + } + fs.umount(); + + g_ceph_context->_conf.set_val("bluefs_buffered_io", stringify((int)old)); +} + +TEST(BlueFS, very_large_write2) { + // we'll write a ~5G file, so allocate more than that for the whole fs + uint64_t size_full = 1048576 * 1024 * 6ull; + uint64_t size = 1048576 * 1024 * 5ull; + TempBdev bdev{ size_full }; + BlueFS fs(g_ceph_context); + + bool old = g_ceph_context->_conf.get_val<bool>("bluefs_buffered_io"); + g_ceph_context->_conf.set_val("bluefs_buffered_io", "false"); + uint64_t total_written = 0; + + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false, 1048576)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size_full - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + + char fill_arr[1 << 20]; // 1M + for (size_t i = 0; i < sizeof(fill_arr); ++i) { + fill_arr[i] = (char)i; + } + std::unique_ptr<char[]> buf; + buf.reset(new char[size]); + for (size_t i = 0; i < size; i += sizeof(fill_arr)) { + memcpy(buf.get() + i, fill_arr, sizeof(fill_arr)); + } + { + BlueFS::FileWriter* h; + ASSERT_EQ(0, fs.mkdir("dir")); + ASSERT_EQ(0, fs.open_for_write("dir", "bigfile", &h, false)); + fs.append_try_flush(h, buf.get(), size); + total_written = size; + fs.fsync(h); + fs.close_writer(h); + } + memset(buf.get(), 0, size); + { + BlueFS::FileReader* h; + ASSERT_EQ(0, fs.open_for_read("dir", "bigfile", &h)); + ASSERT_EQ(h->file->fnode.size, total_written); + auto l = h->file->fnode.size; + BlueFS::FileReaderBuffer readbuf(10485760); + int64_t r = fs.read(h, &readbuf, 0, l, NULL, buf.get()); + ASSERT_EQ(r, (int64_t)l); + for (size_t i = 0; i < size; i += sizeof(fill_arr)) { + ceph_assert(memcmp(buf.get() + i, fill_arr, sizeof(fill_arr)) == 0); + } + delete h; + } + fs.umount(); + + g_ceph_context->_conf.set_val("bluefs_buffered_io", stringify((int)old)); +} + +#define ALLOC_SIZE 4096 + +void write_data(BlueFS &fs, uint64_t rationed_bytes) +{ + int j=0, r=0; + uint64_t written_bytes = 0; + rationed_bytes -= ALLOC_SIZE; + stringstream ss; + string dir = "dir."; + ss << std::this_thread::get_id(); + dir.append(ss.str()); + dir.append("."); + dir.append(to_string(j)); + ASSERT_EQ(0, fs.mkdir(dir)); + while (1) { + string file = "file."; + file.append(to_string(j)); + BlueFS::FileWriter *h; + ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false)); + ASSERT_NE(nullptr, h); + auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); }); + bufferlist bl; + std::unique_ptr<char[]> buf = gen_buffer(ALLOC_SIZE); + bufferptr bp = buffer::claim_char(ALLOC_SIZE, buf.get()); + bl.push_back(bp); + h->append(bl.c_str(), bl.length()); + r = fs.fsync(h); + if (r < 0) { + break; + } + written_bytes += g_conf()->bluefs_alloc_size; + j++; + if ((rationed_bytes - written_bytes) <= g_conf()->bluefs_alloc_size) { + break; + } + } +} + +void create_single_file(BlueFS &fs) +{ + BlueFS::FileWriter *h; + stringstream ss; + string dir = "dir.test"; + ASSERT_EQ(0, fs.mkdir(dir)); + string file = "testfile"; + ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false)); + bufferlist bl; + std::unique_ptr<char[]> buf = gen_buffer(ALLOC_SIZE); + bufferptr bp = buffer::claim_char(ALLOC_SIZE, buf.get()); + bl.push_back(bp); + h->append(bl.c_str(), bl.length()); + fs.fsync(h); + fs.close_writer(h); +} + +void write_single_file(BlueFS &fs, uint64_t rationed_bytes) +{ + stringstream ss; + const string dir = "dir.test"; + const string file = "testfile"; + uint64_t written_bytes = 0; + rationed_bytes -= ALLOC_SIZE; + while (1) { + BlueFS::FileWriter *h; + ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false)); + ASSERT_NE(nullptr, h); + auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); }); + bufferlist bl; + std::unique_ptr<char[]> buf = gen_buffer(ALLOC_SIZE); + bufferptr bp = buffer::claim_char(ALLOC_SIZE, buf.get()); + bl.push_back(bp); + h->append(bl.c_str(), bl.length()); + int r = fs.fsync(h); + if (r < 0) { + break; + } + written_bytes += g_conf()->bluefs_alloc_size; + if ((rationed_bytes - written_bytes) <= g_conf()->bluefs_alloc_size) { + break; + } + } +} + +bool writes_done = false; + +void sync_fs(BlueFS &fs) +{ + while (1) { + if (writes_done == true) + break; + fs.sync_metadata(false); + sleep(1); + } +} + + +void do_join(std::thread& t) +{ + t.join(); +} + +void join_all(std::vector<std::thread>& v) +{ + std::for_each(v.begin(),v.end(),do_join); +} + +#define NUM_WRITERS 3 +#define NUM_SYNC_THREADS 1 + +#define NUM_SINGLE_FILE_WRITERS 1 +#define NUM_MULTIPLE_FILE_WRITERS 2 + +TEST(BlueFS, test_flush_1) { + uint64_t size = 1048576 * 128; + TempBdev bdev{size}; + g_ceph_context->_conf.set_val( + "bluefs_alloc_size", + "65536"); + g_ceph_context->_conf.apply_changes(nullptr); + + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + { + std::vector<std::thread> write_thread_multiple; + uint64_t effective_size = size - (32 * 1048576); // leaving the last 32 MB for log compaction + uint64_t per_thread_bytes = (effective_size/(NUM_MULTIPLE_FILE_WRITERS + NUM_SINGLE_FILE_WRITERS)); + for (int i=0; i<NUM_MULTIPLE_FILE_WRITERS ; i++) { + write_thread_multiple.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); + } + + create_single_file(fs); + std::vector<std::thread> write_thread_single; + for (int i=0; i<NUM_SINGLE_FILE_WRITERS; i++) { + write_thread_single.push_back(std::thread(write_single_file, std::ref(fs), per_thread_bytes)); + } + + join_all(write_thread_single); + join_all(write_thread_multiple); + } + fs.umount(); +} + +TEST(BlueFS, test_flush_2) { + uint64_t size = 1048576 * 256; + TempBdev bdev{size}; + g_ceph_context->_conf.set_val( + "bluefs_alloc_size", + "65536"); + g_ceph_context->_conf.apply_changes(nullptr); + + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + { + uint64_t effective_size = size - (128 * 1048576); // leaving the last 32 MB for log compaction + uint64_t per_thread_bytes = (effective_size/(NUM_WRITERS)); + std::vector<std::thread> write_thread_multiple; + for (int i=0; i<NUM_WRITERS; i++) { + write_thread_multiple.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); + } + + join_all(write_thread_multiple); + } + fs.umount(); +} + +TEST(BlueFS, test_flush_3) { + uint64_t size = 1048576 * 256; + TempBdev bdev{size}; + g_ceph_context->_conf.set_val( + "bluefs_alloc_size", + "65536"); + g_ceph_context->_conf.apply_changes(nullptr); + + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + { + std::vector<std::thread> write_threads; + uint64_t effective_size = size - (64 * 1048576); // leaving the last 11 MB for log compaction + uint64_t per_thread_bytes = (effective_size/(NUM_WRITERS)); + for (int i=0; i<NUM_WRITERS; i++) { + write_threads.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); + } + + std::vector<std::thread> sync_threads; + for (int i=0; i<NUM_SYNC_THREADS; i++) { + sync_threads.push_back(std::thread(sync_fs, std::ref(fs))); + } + + join_all(write_threads); + writes_done = true; + join_all(sync_threads); + } + fs.umount(); +} + +TEST(BlueFS, test_simple_compaction_sync) { + g_ceph_context->_conf.set_val( + "bluefs_compact_log_sync", + "true"); + uint64_t size = 1048576 * 128; + TempBdev bdev{size}; + + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + { + for (int i=0; i<10; i++) { + string dir = "dir."; + dir.append(to_string(i)); + ASSERT_EQ(0, fs.mkdir(dir)); + for (int j=0; j<10; j++) { + string file = "file."; + file.append(to_string(j)); + BlueFS::FileWriter *h; + ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false)); + ASSERT_NE(nullptr, h); + auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); }); + bufferlist bl; + std::unique_ptr<char[]> buf = gen_buffer(4096); + bufferptr bp = buffer::claim_char(4096, buf.get()); + bl.push_back(bp); + h->append(bl.c_str(), bl.length()); + fs.fsync(h); + } + } + } + { + for (int i=0; i<10; i+=2) { + string dir = "dir."; + dir.append(to_string(i)); + for (int j=0; j<10; j++) { + string file = "file."; + file.append(to_string(j)); + fs.unlink(dir, file); + fs.sync_metadata(false); + } + ASSERT_EQ(0, fs.rmdir(dir)); + fs.sync_metadata(false); + } + } + fs.compact_log(); + fs.umount(); +} + +TEST(BlueFS, test_simple_compaction_async) { + g_ceph_context->_conf.set_val( + "bluefs_compact_log_sync", + "false"); + uint64_t size = 1048576 * 128; + TempBdev bdev{size}; + + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + { + for (int i=0; i<10; i++) { + string dir = "dir."; + dir.append(to_string(i)); + ASSERT_EQ(0, fs.mkdir(dir)); + for (int j=0; j<10; j++) { + string file = "file."; + file.append(to_string(j)); + BlueFS::FileWriter *h; + ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false)); + ASSERT_NE(nullptr, h); + auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); }); + bufferlist bl; + std::unique_ptr<char[]> buf = gen_buffer(4096); + bufferptr bp = buffer::claim_char(4096, buf.get()); + bl.push_back(bp); + h->append(bl.c_str(), bl.length()); + fs.fsync(h); + } + } + } + { + for (int i=0; i<10; i+=2) { + string dir = "dir."; + dir.append(to_string(i)); + for (int j=0; j<10; j++) { + string file = "file."; + file.append(to_string(j)); + fs.unlink(dir, file); + fs.sync_metadata(false); + } + ASSERT_EQ(0, fs.rmdir(dir)); + fs.sync_metadata(false); + } + } + fs.compact_log(); + fs.umount(); +} + +TEST(BlueFS, test_compaction_sync) { + uint64_t size = 1048576 * 128; + TempBdev bdev{size}; + g_ceph_context->_conf.set_val( + "bluefs_alloc_size", + "65536"); + g_ceph_context->_conf.set_val( + "bluefs_compact_log_sync", + "true"); + + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + { + std::vector<std::thread> write_threads; + uint64_t effective_size = size - (32 * 1048576); // leaving the last 32 MB for log compaction + uint64_t per_thread_bytes = (effective_size/(NUM_WRITERS)); + for (int i=0; i<NUM_WRITERS; i++) { + write_threads.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); + } + + std::vector<std::thread> sync_threads; + for (int i=0; i<NUM_SYNC_THREADS; i++) { + sync_threads.push_back(std::thread(sync_fs, std::ref(fs))); + } + + join_all(write_threads); + writes_done = true; + join_all(sync_threads); + fs.compact_log(); + } + fs.umount(); +} + +TEST(BlueFS, test_compaction_async) { + uint64_t size = 1048576 * 128; + TempBdev bdev{size}; + g_ceph_context->_conf.set_val( + "bluefs_alloc_size", + "65536"); + g_ceph_context->_conf.set_val( + "bluefs_compact_log_sync", + "false"); + + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + { + std::vector<std::thread> write_threads; + uint64_t effective_size = size - (32 * 1048576); // leaving the last 32 MB for log compaction + uint64_t per_thread_bytes = (effective_size/(NUM_WRITERS)); + for (int i=0; i<NUM_WRITERS; i++) { + write_threads.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); + } + + std::vector<std::thread> sync_threads; + for (int i=0; i<NUM_SYNC_THREADS; i++) { + sync_threads.push_back(std::thread(sync_fs, std::ref(fs))); + } + + join_all(write_threads); + writes_done = true; + join_all(sync_threads); + fs.compact_log(); + } + fs.umount(); +} + +TEST(BlueFS, test_replay) { + uint64_t size = 1048576 * 128; + TempBdev bdev{size}; + g_ceph_context->_conf.set_val( + "bluefs_alloc_size", + "65536"); + g_ceph_context->_conf.set_val( + "bluefs_compact_log_sync", + "false"); + + BlueFS fs(g_ceph_context); + ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false)); + fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); + uuid_d fsid; + ASSERT_EQ(0, fs.mkfs(fsid)); + ASSERT_EQ(0, fs.mount()); + { + std::vector<std::thread> write_threads; + uint64_t effective_size = size - (32 * 1048576); // leaving the last 32 MB for log compaction + uint64_t per_thread_bytes = (effective_size/(NUM_WRITERS)); + for (int i=0; i<NUM_WRITERS; i++) { + write_threads.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); + } + + std::vector<std::thread> sync_threads; + for (int i=0; i<NUM_SYNC_THREADS; i++) { + sync_threads.push_back(std::thread(sync_fs, std::ref(fs))); + } + + join_all(write_threads); + writes_done = true; + join_all(sync_threads); + fs.compact_log(); + } + fs.umount(); + // remount and check log can replay safe? + ASSERT_EQ(0, fs.mount()); + fs.umount(); +} + +int main(int argc, char **argv) { + vector<const char*> args; + argv_to_vec(argc, (const char **)argv, args); + + map<string,string> defaults = { + { "debug_bluefs", "1/20" }, + { "debug_bdev", "1/20" } + }; + + auto cct = global_init(&defaults, args, CEPH_ENTITY_TYPE_CLIENT, + CODE_ENVIRONMENT_UTILITY, + CINIT_FLAG_NO_DEFAULT_CONFIG_FILE); + common_init_finish(g_ceph_context); + g_ceph_context->_conf.set_val( + "enable_experimental_unrecoverable_data_corrupting_features", + "*"); + g_ceph_context->_conf.apply_changes(nullptr); + + ::testing::InitGoogleTest(&argc, argv); + return RUN_ALL_TESTS(); +} |