RocksDB
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magic_sizepack|||
magic_wipepack|||
make_matcher|||
make_trie|||
malloc_good_size|||n
malloced_size|||n
malloc||5.007002|n
markstack_grow||5.021001|
matcher_matches_sv|||
maybe_multimagic_gv|||
mayberelocate|||
measure_struct|||
memEQs|5.009005||p
memEQ|5.004000||p
memNEs|5.009005||p
memNE|5.004000||p
mem_collxfrm|||
mem_log_alloc|||n
mem_log_common|||n
mem_log_free|||n
mem_log_realloc|||n
op_dump||5.006000|
op_free|||
op_integerize|||
op_linklist||5.013006|
op_lvalue_flags|||
op_null||5.007002|
op_parent|||n
op_prepend_elem||5.013006|
op_refcnt_lock||5.009002|
op_refcnt_unlock||5.009002|
op_relocate_sv|||
op_sibling_splice||5.021002|n
op_std_init|||
open_script|||
openn_cleanup|||
openn_setup|||
opmethod_stash|||
opslab_force_free|||
opslab_free_nopad|||
opslab_free|||
output_or_return_posix_warnings|||
vendor/rocksdb/include/rocksdb/statistics.h view on Meta::CPAN
BLOB_DB_GC_NUM_FILES,
// # of blob files generated by garbage collection.
BLOB_DB_GC_NUM_NEW_FILES,
// # of BlobDB garbage collection failures.
BLOB_DB_GC_FAILURES,
// # of keys drop by BlobDB garbage collection because they had been
// overwritten.
BLOB_DB_GC_NUM_KEYS_OVERWRITTEN,
// # of keys drop by BlobDB garbage collection because of expiration.
BLOB_DB_GC_NUM_KEYS_EXPIRED,
// # of keys relocated to new blob file by garbage collection.
BLOB_DB_GC_NUM_KEYS_RELOCATED,
// # of bytes drop by BlobDB garbage collection because they had been
// overwritten.
BLOB_DB_GC_BYTES_OVERWRITTEN,
// # of bytes drop by BlobDB garbage collection because of expiration.
BLOB_DB_GC_BYTES_EXPIRED,
// # of bytes relocated to new blob file by garbage collection.
BLOB_DB_GC_BYTES_RELOCATED,
// # of blob files evicted because of BlobDB is full.
BLOB_DB_FIFO_NUM_FILES_EVICTED,
// # of keys in the blob files evicted because of BlobDB is full.
BLOB_DB_FIFO_NUM_KEYS_EVICTED,
// # of bytes in the blob files evicted because of BlobDB is full.
BLOB_DB_FIFO_BYTES_EVICTED,
// These coutners indicate a performance issue in WritePrepared transactions.
// We should not seem them ticking them much.
vendor/rocksdb/include/rocksdb/statistics.h view on Meta::CPAN
"rocksdb.blobdb.blob.index.expired.count"},
{BLOB_DB_BLOB_INDEX_EXPIRED_SIZE, "rocksdb.blobdb.blob.index.expired.size"},
{BLOB_DB_BLOB_INDEX_EVICTED_COUNT,
"rocksdb.blobdb.blob.index.evicted.count"},
{BLOB_DB_BLOB_INDEX_EVICTED_SIZE, "rocksdb.blobdb.blob.index.evicted.size"},
{BLOB_DB_GC_NUM_FILES, "rocksdb.blobdb.gc.num.files"},
{BLOB_DB_GC_NUM_NEW_FILES, "rocksdb.blobdb.gc.num.new.files"},
{BLOB_DB_GC_FAILURES, "rocksdb.blobdb.gc.failures"},
{BLOB_DB_GC_NUM_KEYS_OVERWRITTEN, "rocksdb.blobdb.gc.num.keys.overwritten"},
{BLOB_DB_GC_NUM_KEYS_EXPIRED, "rocksdb.blobdb.gc.num.keys.expired"},
{BLOB_DB_GC_NUM_KEYS_RELOCATED, "rocksdb.blobdb.gc.num.keys.relocated"},
{BLOB_DB_GC_BYTES_OVERWRITTEN, "rocksdb.blobdb.gc.bytes.overwritten"},
{BLOB_DB_GC_BYTES_EXPIRED, "rocksdb.blobdb.gc.bytes.expired"},
{BLOB_DB_GC_BYTES_RELOCATED, "rocksdb.blobdb.gc.bytes.relocated"},
{BLOB_DB_FIFO_NUM_FILES_EVICTED, "rocksdb.blobdb.fifo.num.files.evicted"},
{BLOB_DB_FIFO_NUM_KEYS_EVICTED, "rocksdb.blobdb.fifo.num.keys.evicted"},
{BLOB_DB_FIFO_BYTES_EVICTED, "rocksdb.blobdb.fifo.bytes.evicted"},
{TXN_PREPARE_MUTEX_OVERHEAD, "rocksdb.txn.overhead.mutex.prepare"},
{TXN_OLD_COMMIT_MAP_MUTEX_OVERHEAD,
"rocksdb.txn.overhead.mutex.old.commit.map"},
{TXN_DUPLICATE_KEY_OVERHEAD, "rocksdb.txn.overhead.duplicate.key"},
{TXN_SNAPSHOT_MUTEX_OVERHEAD, "rocksdb.txn.overhead.mutex.snapshot"},
{NUMBER_MULTIGET_KEYS_FOUND, "rocksdb.number.multiget.keys.found"},
};
vendor/rocksdb/utilities/blob_db/blob_db_impl.cc view on Meta::CPAN
TEST_SYNC_POINT("BlobDBImpl::GCFileAndUpdateLSM:BeforeRelocate");
WriteBatch rewrite_batch;
Status rewrite_status = WriteBatchInternal::PutBlobIndex(
&rewrite_batch, column_family_id, record.key, new_index_entry);
if (rewrite_status.ok()) {
rewrite_status = db_impl_->WriteWithCallback(WriteOptions(),
&rewrite_batch, &callback);
}
if (rewrite_status.ok()) {
gc_stats->num_keys_relocated++;
gc_stats->bytes_relocated += record.record_size();
} else if (rewrite_status.IsBusy()) {
// The key is overwritten in the meanwhile. Drop the blob record.
gc_stats->num_keys_overwritten++;
gc_stats->bytes_overwritten += record.record_size();
} else {
// We hit an error.
s = rewrite_status;
ROCKS_LOG_ERROR(db_options_.info_log, "Error while relocating key: %s",
s.ToString().c_str());
break;
}
} // end of ReadRecord loop
{
WriteLock wl(&mutex_);
ObsoleteBlobFile(bfptr, GetLatestSequenceNumber(), true /*update_size*/);
}
ROCKS_LOG_INFO(
db_options_.info_log,
"%s blob file %" PRIu64 ". Total blob records: %" PRIu64
", expired: %" PRIu64 " keys/%" PRIu64
" bytes, updated or deleted by user: %" PRIu64 " keys/%" PRIu64
" bytes, rewrite to new file: %" PRIu64 " keys/%" PRIu64 " bytes.",
s.ok() ? "Successfully garbage collected" : "Failed to garbage collect",
bfptr->BlobFileNumber(), gc_stats->blob_count, gc_stats->num_keys_expired,
gc_stats->bytes_expired, gc_stats->num_keys_overwritten,
gc_stats->bytes_overwritten, gc_stats->num_keys_relocated,
gc_stats->bytes_relocated);
RecordTick(statistics_, BLOB_DB_GC_NUM_FILES);
RecordTick(statistics_, BLOB_DB_GC_NUM_KEYS_OVERWRITTEN,
gc_stats->num_keys_overwritten);
RecordTick(statistics_, BLOB_DB_GC_NUM_KEYS_EXPIRED,
gc_stats->num_keys_expired);
RecordTick(statistics_, BLOB_DB_GC_BYTES_OVERWRITTEN,
gc_stats->bytes_overwritten);
RecordTick(statistics_, BLOB_DB_GC_BYTES_EXPIRED, gc_stats->bytes_expired);
if (newfile != nullptr) {
{
MutexLock l(&write_mutex_);
CloseBlobFile(newfile);
}
total_blob_size_ += newfile->file_size_;
ROCKS_LOG_INFO(db_options_.info_log, "New blob file %" PRIu64 ".",
newfile->BlobFileNumber());
RecordTick(statistics_, BLOB_DB_GC_NUM_NEW_FILES);
RecordTick(statistics_, BLOB_DB_GC_NUM_KEYS_RELOCATED,
gc_stats->num_keys_relocated);
RecordTick(statistics_, BLOB_DB_GC_BYTES_RELOCATED,
gc_stats->bytes_relocated);
}
if (!s.ok()) {
RecordTick(statistics_, BLOB_DB_GC_FAILURES);
}
return s;
}
std::pair<bool, int64_t> BlobDBImpl::DeleteObsoleteFiles(bool aborted) {
if (aborted) return std::make_pair(false, -1);
vendor/rocksdb/utilities/blob_db/blob_db_impl.h view on Meta::CPAN
struct BlobFileComparator {
bool operator()(const std::shared_ptr<BlobFile>& lhs,
const std::shared_ptr<BlobFile>& rhs) const;
};
struct GCStats {
uint64_t blob_count = 0;
uint64_t num_keys_overwritten = 0;
uint64_t num_keys_expired = 0;
uint64_t num_keys_relocated = 0;
uint64_t bytes_overwritten = 0;
uint64_t bytes_expired = 0;
uint64_t bytes_relocated = 0;
};
/**
* The implementation class for BlobDB. This manages the value
* part in TTL aware sequentially written files. These files are
* Garbage Collected.
*/
class BlobDBImpl : public BlobDB {
friend class BlobFile;
friend class BlobDBIterator;
vendor/rocksdb/utilities/blob_db/blob_db_test.cc view on Meta::CPAN
}
mock_env_->set_current_time(100);
auto *bdb_impl = static_cast<BlobDBImpl *>(blob_db_);
auto blob_files = bdb_impl->TEST_GetBlobFiles();
ASSERT_EQ(1, blob_files.size());
ASSERT_TRUE(blob_files[0]->HasTTL());
ASSERT_OK(bdb_impl->TEST_CloseBlobFile(blob_files[0]));
GCStats gc_stats;
ASSERT_OK(bdb_impl->TEST_GCFileAndUpdateLSM(blob_files[0], &gc_stats));
ASSERT_EQ(100 - data.size(), gc_stats.num_keys_expired);
ASSERT_EQ(data.size(), gc_stats.num_keys_relocated);
VerifyDB(data);
}
TEST_F(BlobDBTest, PutUntil) {
Random rnd(301);
Options options;
options.env = mock_env_.get();
BlobDBOptions bdb_options;
bdb_options.ttl_range_secs = 1000;
bdb_options.min_blob_size = 0;
vendor/rocksdb/utilities/blob_db/blob_db_test.cc view on Meta::CPAN
}
mock_env_->set_current_time(100);
auto *bdb_impl = static_cast<BlobDBImpl *>(blob_db_);
auto blob_files = bdb_impl->TEST_GetBlobFiles();
ASSERT_EQ(1, blob_files.size());
ASSERT_TRUE(blob_files[0]->HasTTL());
ASSERT_OK(bdb_impl->TEST_CloseBlobFile(blob_files[0]));
GCStats gc_stats;
ASSERT_OK(bdb_impl->TEST_GCFileAndUpdateLSM(blob_files[0], &gc_stats));
ASSERT_EQ(100 - data.size(), gc_stats.num_keys_expired);
ASSERT_EQ(data.size(), gc_stats.num_keys_relocated);
VerifyDB(data);
}
TEST_F(BlobDBTest, StackableDBGet) {
Random rnd(301);
BlobDBOptions bdb_options;
bdb_options.min_blob_size = 0;
bdb_options.disable_background_tasks = true;
Open(bdb_options);
std::map<std::string, std::string> data;
vendor/rocksdb/utilities/blob_db/blob_db_test.cc view on Meta::CPAN
for (int i = 100; i < 200; i++) {
if (rnd.Next() % 2 == 1) {
new_keys++;
PutRandom("key" + ToString(i), &rnd, &data);
}
}
GCStats gc_stats;
ASSERT_OK(blob_db_impl()->TEST_GCFileAndUpdateLSM(blob_files[0], &gc_stats));
ASSERT_EQ(200, gc_stats.blob_count);
ASSERT_EQ(0, gc_stats.num_keys_expired);
ASSERT_EQ(200 - new_keys, gc_stats.num_keys_relocated);
VerifyDB(data);
}
TEST_F(BlobDBTest, GCRelocateKeyWhileOverwriting) {
Random rnd(301);
BlobDBOptions bdb_options;
bdb_options.min_blob_size = 0;
bdb_options.disable_background_tasks = true;
Open(bdb_options);
ASSERT_OK(blob_db_->Put(WriteOptions(), "foo", "v1"));
vendor/rocksdb/utilities/blob_db/blob_db_test.cc view on Meta::CPAN
SyncPoint::GetInstance()->EnableProcessing();
auto writer = port::Thread(
[this]() { ASSERT_OK(blob_db_->Put(WriteOptions(), "foo", "v2")); });
GCStats gc_stats;
ASSERT_OK(blob_db_impl()->TEST_GCFileAndUpdateLSM(blob_files[0], &gc_stats));
ASSERT_EQ(1, gc_stats.blob_count);
ASSERT_EQ(0, gc_stats.num_keys_expired);
ASSERT_EQ(1, gc_stats.num_keys_overwritten);
ASSERT_EQ(0, gc_stats.num_keys_relocated);
writer.join();
VerifyDB({{"foo", "v2"}});
}
TEST_F(BlobDBTest, GCExpiredKeyWhileOverwriting) {
Random rnd(301);
Options options;
options.env = mock_env_.get();
BlobDBOptions bdb_options;
bdb_options.min_blob_size = 0;
vendor/rocksdb/utilities/blob_db/blob_db_test.cc view on Meta::CPAN
SyncPoint::GetInstance()->EnableProcessing();
auto writer = port::Thread([this]() {
ASSERT_OK(blob_db_->PutUntil(WriteOptions(), "foo", "v2", 400));
});
GCStats gc_stats;
ASSERT_OK(blob_db_impl()->TEST_GCFileAndUpdateLSM(blob_files[0], &gc_stats));
ASSERT_EQ(1, gc_stats.blob_count);
ASSERT_EQ(1, gc_stats.num_keys_expired);
ASSERT_EQ(0, gc_stats.num_keys_relocated);
writer.join();
VerifyDB({{"foo", "v2"}});
}
TEST_F(BlobDBTest, NewFileGeneratedFromGCShouldMarkAsImmutable) {
BlobDBOptions bdb_options;
bdb_options.min_blob_size = 0;
bdb_options.disable_background_tasks = true;
Open(bdb_options);
ASSERT_OK(Put("foo", "bar"));
auto blob_files = blob_db_impl()->TEST_GetBlobFiles();
auto blob_file1 = blob_files[0];
ASSERT_EQ(1, blob_files.size());
ASSERT_OK(blob_db_impl()->TEST_CloseBlobFile(blob_file1));
GCStats gc_stats;
ASSERT_OK(blob_db_impl()->TEST_GCFileAndUpdateLSM(blob_file1, &gc_stats));
ASSERT_EQ(1, gc_stats.blob_count);
ASSERT_EQ(1, gc_stats.num_keys_relocated);
blob_files = blob_db_impl()->TEST_GetBlobFiles();
ASSERT_EQ(2, blob_files.size());
ASSERT_EQ(blob_file1, blob_files[0]);
ASSERT_TRUE(blob_files[1]->Immutable());
}
// This test is no longer valid since we now return an error when we go
// over the configured max_db_size.
// The test needs to be re-written later in such a way that writes continue
// after a GC happens.
vendor/rocksdb/utilities/blob_db/blob_db_test.cc view on Meta::CPAN
// VerifyDB use iterator to scan the DB.
VerifyDB({{"foo", "bar"}});
break;
}
});
TEST_SYNC_POINT("BlobDBTest::ReadWhileGC:1");
GCStats gc_stats;
ASSERT_OK(blob_db_impl()->TEST_GCFileAndUpdateLSM(bfile, &gc_stats));
ASSERT_EQ(1, gc_stats.blob_count);
ASSERT_EQ(1, gc_stats.num_keys_relocated);
blob_db_impl()->TEST_DeleteObsoleteFiles();
// The file shouln't be deleted
blob_files = blob_db_impl()->TEST_GetBlobFiles();
ASSERT_EQ(2, blob_files.size());
ASSERT_EQ(bfile_number, blob_files[0]->BlobFileNumber());
auto obsolete_files = blob_db_impl()->TEST_GetObsoleteFiles();
ASSERT_EQ(1, obsolete_files.size());
ASSERT_EQ(bfile_number, obsolete_files[0]->BlobFileNumber());
TEST_SYNC_POINT("BlobDBTest::ReadWhileGC:2");
reader.join();
vendor/rocksdb/utilities/blob_db/blob_db_test.cc view on Meta::CPAN
snapshot = blob_db_->GetSnapshot();
}
if (delete_key) {
Delete("key2");
}
GCStats gc_stats;
ASSERT_OK(blob_db_impl()->TEST_GCFileAndUpdateLSM(bfile, &gc_stats));
ASSERT_TRUE(bfile->Obsolete());
ASSERT_EQ(1, gc_stats.blob_count);
if (delete_key) {
ASSERT_EQ(0, gc_stats.num_keys_relocated);
} else {
ASSERT_EQ(1, gc_stats.num_keys_relocated);
}
ASSERT_EQ(blob_db_->GetLatestSequenceNumber(),
bfile->GetObsoleteSequence());
if (i == 3) {
snapshot = blob_db_->GetSnapshot();
}
size_t num_files = delete_key ? 3 : 4;
ASSERT_EQ(num_files, blob_db_impl()->TEST_GetBlobFiles().size());
blob_db_impl()->TEST_DeleteObsoleteFiles();
if (i == 3) {
vendor/rocksdb/utilities/blob_db/blob_file.h view on Meta::CPAN
std::string DumpState() const;
// if the file is not taking any more appends.
bool Immutable() const { return closed_.load(); }
// Mark the file as immutable.
// REQUIRES: write lock held, or access from single thread (on DB open).
void MarkImmutable() { closed_ = true; }
// if the file has gone through GC and blobs have been relocated
bool Obsolete() const {
assert(Immutable() || !obsolete_.load());
return obsolete_.load();
}
// Mark file as obsolete by garbage collection. The file is not visible to
// snapshots with sequence greater or equal to the given sequence.
void MarkObsolete(SequenceNumber sequence);
SequenceNumber GetObsoleteSequence() const {
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