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Support skipping bloom filters for SstFileWriter

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Summary:
Add an option for SstFileWriter to skip building bloom filters
Closes https://github.com/facebook/rocksdb/pull/3360

Differential Revision: D6709120

Pulled By: IslamAbdelRahman

fbshipit-source-id: 964d4bce38822a048691792f447bcfbb4b6bd809
This commit is contained in:
Islam AbdelRahman 2018-01-22 14:37:37 -08:00 committed by Facebook Github Bot
parent 6f5ba0bf5b
commit c615689bb5
3 changed files with 62 additions and 9 deletions
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49
db/external_sst_file_test.cc
View file

@ -1940,6 +1940,55 @@ TEST_F(ExternalSSTFileTest, IngestBehind) {
size_t kcnt = 0;
VerifyDBFromMap(true_data, &kcnt, false);
}
TEST_F(ExternalSSTFileTest, SkipBloomFilter) {
Options options = CurrentOptions();
BlockBasedTableOptions table_options;
table_options.filter_policy.reset(NewBloomFilterPolicy(10));
table_options.cache_index_and_filter_blocks = true;
options.table_factory.reset(NewBlockBasedTableFactory(table_options));
// Create external SST file and include bloom filters
options.statistics = rocksdb::CreateDBStatistics();
DestroyAndReopen(options);
{
std::string file_path = sst_files_dir_ + "sst_with_bloom.sst";
SstFileWriter sst_file_writer(EnvOptions(), options);
ASSERT_OK(sst_file_writer.Open(file_path));
ASSERT_OK(sst_file_writer.Put("Key1", "Value1"));
ASSERT_OK(sst_file_writer.Finish());
ASSERT_OK(
db_->IngestExternalFile({file_path}, IngestExternalFileOptions()));
ASSERT_EQ(Get("Key1"), "Value1");
ASSERT_GE(
options.statistics->getTickerCount(Tickers::BLOCK_CACHE_FILTER_ADD), 1);
}
// Create external SST file but skip bloom filters
options.statistics = rocksdb::CreateDBStatistics();
DestroyAndReopen(options);
{
std::string file_path = sst_files_dir_ + "sst_with_no_bloom.sst";
SstFileWriter sst_file_writer(EnvOptions(), options, nullptr, true,
Env::IOPriority::IO_TOTAL,
true /* skip_filters */);
ASSERT_OK(sst_file_writer.Open(file_path));
ASSERT_OK(sst_file_writer.Put("Key1", "Value1"));
ASSERT_OK(sst_file_writer.Finish());
ASSERT_OK(
db_->IngestExternalFile({file_path}, IngestExternalFileOptions()));
ASSERT_EQ(Get("Key1"), "Value1");
ASSERT_EQ(
options.statistics->getTickerCount(Tickers::BLOCK_CACHE_FILTER_ADD), 0);
}
}
} // namespace rocksdb
int main(int argc, char** argv) {

8
include/rocksdb/sst_file_writer.h
View file

@ -72,16 +72,18 @@ class SstFileWriter {
SstFileWriter(const EnvOptions& env_options, const Options& options,
ColumnFamilyHandle* column_family = nullptr,
bool invalidate_page_cache = true,
Env::IOPriority io_priority = Env::IOPriority::IO_TOTAL)
Env::IOPriority io_priority = Env::IOPriority::IO_TOTAL,
bool skip_filters = false)
: SstFileWriter(env_options, options, options.comparator, column_family,
invalidate_page_cache, io_priority) {}
invalidate_page_cache, io_priority, skip_filters) {}
// Deprecated API
SstFileWriter(const EnvOptions& env_options, const Options& options,
const Comparator* user_comparator,
ColumnFamilyHandle* column_family = nullptr,
bool invalidate_page_cache = true,
Env::IOPriority io_priority = Env::IOPriority::IO_TOTAL);
Env::IOPriority io_priority = Env::IOPriority::IO_TOTAL,
bool skip_filters = false);
~SstFileWriter();

14
table/sst_file_writer.cc
View file

@ -27,7 +27,7 @@ const size_t kFadviseTrigger = 1024 * 1024; // 1MB
struct SstFileWriter::Rep {
Rep(const EnvOptions& _env_options, const Options& options,
Env::IOPriority _io_priority, const Comparator* _user_comparator,
ColumnFamilyHandle* _cfh, bool _invalidate_page_cache)
ColumnFamilyHandle* _cfh, bool _invalidate_page_cache, bool _skip_filters)
: env_options(_env_options),
ioptions(options),
mutable_cf_options(options),
@ -35,7 +35,8 @@ struct SstFileWriter::Rep {
internal_comparator(_user_comparator),
cfh(_cfh),
invalidate_page_cache(_invalidate_page_cache),
last_fadvise_size(0) {}
last_fadvise_size(0),
skip_filters(_skip_filters) {}
std::unique_ptr<WritableFileWriter> file_writer;
std::unique_ptr<TableBuilder> builder;
@ -54,6 +55,7 @@ struct SstFileWriter::Rep {
// The size of the file during the last time we called Fadvise to remove
// cached pages from page cache.
uint64_t last_fadvise_size;
bool skip_filters;
Status Add(const Slice& user_key, const Slice& value,
const ValueType value_type) {
if (!builder) {
@ -122,9 +124,9 @@ SstFileWriter::SstFileWriter(const EnvOptions& env_options,
const Comparator* user_comparator,
ColumnFamilyHandle* column_family,
bool invalidate_page_cache,
Env::IOPriority io_priority)
Env::IOPriority io_priority, bool skip_filters)
: rep_(new Rep(env_options, options, io_priority, user_comparator,
column_family, invalidate_page_cache)) {
column_family, invalidate_page_cache, skip_filters)) {
rep_->file_info.file_size = 0;
}
@ -189,8 +191,8 @@ Status SstFileWriter::Open(const std::string& file_path) {
TableBuilderOptions table_builder_options(
r->ioptions, r->internal_comparator, &int_tbl_prop_collector_factories,
compression_type, r->ioptions.compression_opts,
nullptr /* compression_dict */, false /* skip_filters */,
r->column_family_name, unknown_level);
nullptr /* compression_dict */, r->skip_filters, r->column_family_name,
unknown_level);
r->file_writer.reset(
new WritableFileWriter(std::move(sst_file), r->env_options));