Add TablePropertiesCollector support in SstFileWriter

Summary: Update SstFileWriter to use user TablePropertiesCollectors that are passed in Options

Test Plan: unittests

Reviewers: sdong

Reviewed By: sdong

Subscribers: jkedgar, andrewkr, hermanlee4, dhruba, yoshinorim

Differential Revision: https://reviews.facebook.net/D62253
This commit is contained in:
Islam AbdelRahman 2016-08-19 16:17:56 -07:00
parent 78837f5d61
commit 6a17b07ca8
2 changed files with 84 additions and 0 deletions

View File

@ -926,6 +926,52 @@ TEST_F(DBSSTTest, AddExternalSstFile) {
} while (ChangeOptions(kSkipPlainTable | kSkipUniversalCompaction |
kSkipFIFOCompaction));
}
class SstFileWriterCollector : public TablePropertiesCollector {
public:
explicit SstFileWriterCollector(const std::string prefix) : prefix_(prefix) {
name_ = prefix_ + "_SstFileWriterCollector";
}
const char* Name() const override { return name_.c_str(); }
Status Finish(UserCollectedProperties* properties) override {
*properties = UserCollectedProperties{
{prefix_ + "_SstFileWriterCollector", "YES"},
{prefix_ + "_Count", std::to_string(count_)},
};
return Status::OK();
}
Status AddUserKey(const Slice& user_key, const Slice& value, EntryType type,
SequenceNumber seq, uint64_t file_size) override {
++count_;
return Status::OK();
}
virtual UserCollectedProperties GetReadableProperties() const override {
return UserCollectedProperties{};
}
private:
uint32_t count_ = 0;
std::string prefix_;
std::string name_;
};
class SstFileWriterCollectorFactory : public TablePropertiesCollectorFactory {
public:
explicit SstFileWriterCollectorFactory(std::string prefix)
: prefix_(prefix), num_created_(0) {}
virtual TablePropertiesCollector* CreateTablePropertiesCollector(
TablePropertiesCollectorFactory::Context context) override {
num_created_++;
return new SstFileWriterCollector(prefix_);
}
const char* Name() const override { return "SstFileWriterCollectorFactory"; }
std::string prefix_;
uint32_t num_created_;
};
TEST_F(DBSSTTest, AddExternalSstFileList) {
do {
@ -934,6 +980,12 @@ TEST_F(DBSSTTest, AddExternalSstFileList) {
Options options = CurrentOptions();
options.env = env_;
auto abc_collector = std::make_shared<SstFileWriterCollectorFactory>("abc");
auto xyz_collector = std::make_shared<SstFileWriterCollectorFactory>("xyz");
options.table_properties_collector_factories.emplace_back(abc_collector);
options.table_properties_collector_factories.emplace_back(xyz_collector);
SstFileWriter sst_file_writer(EnvOptions(), options, options.comparator);
// file1.sst (0 => 99)
@ -1042,6 +1094,17 @@ TEST_F(DBSSTTest, AddExternalSstFileList) {
ASSERT_EQ(Get(Key(k)), Key(k) + "_val");
}
TablePropertiesCollection props;
ASSERT_OK(db_->GetPropertiesOfAllTables(&props));
ASSERT_EQ(props.size(), 2);
for (auto file_props : props) {
auto user_props = file_props.second->user_collected_properties;
ASSERT_EQ(user_props["abc_SstFileWriterCollector"], "YES");
ASSERT_EQ(user_props["xyz_SstFileWriterCollector"], "YES");
ASSERT_EQ(user_props["abc_Count"], "100");
ASSERT_EQ(user_props["xyz_Count"], "100");
}
// Add file while holding a snapshot will fail
const Snapshot* s1 = db_->GetSnapshot();
if (s1 != nullptr) {
@ -1055,6 +1118,16 @@ TEST_F(DBSSTTest, AddExternalSstFileList) {
ASSERT_EQ(Get(Key(k)), Key(k) + "_val");
}
ASSERT_OK(db_->GetPropertiesOfAllTables(&props));
ASSERT_EQ(props.size(), 3);
for (auto file_props : props) {
auto user_props = file_props.second->user_collected_properties;
ASSERT_EQ(user_props["abc_SstFileWriterCollector"], "YES");
ASSERT_EQ(user_props["xyz_SstFileWriterCollector"], "YES");
ASSERT_EQ(user_props["abc_Count"], "100");
ASSERT_EQ(user_props["xyz_Count"], "100");
}
// This file list has overlapping values with the exisitng data
s = db_->AddFile(file_list3);
ASSERT_FALSE(s.ok()) << s.ToString();

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@ -117,9 +117,20 @@ Status SstFileWriter::Open(const std::string& file_path) {
std::vector<std::unique_ptr<IntTblPropCollectorFactory>>
int_tbl_prop_collector_factories;
// SstFileWriter properties collector to add SstFileWriter version.
int_tbl_prop_collector_factories.emplace_back(
new SstFileWriterPropertiesCollectorFactory(1 /* version */));
// User collector factories
auto user_collector_factories =
r->ioptions.table_properties_collector_factories;
for (size_t i = 0; i < user_collector_factories.size(); i++) {
int_tbl_prop_collector_factories.emplace_back(
new UserKeyTablePropertiesCollectorFactory(
user_collector_factories[i]));
}
TableBuilderOptions table_builder_options(
r->ioptions, r->internal_comparator, &int_tbl_prop_collector_factories,
compression_type, r->ioptions.compression_opts,