ARCHIVE/rippled
1
0
Fork 0
mirror of https://github.com/XRPLF/rippled.git synced 2025-12-06 17:27:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

@20602303. Default file permission is now 755.

Browse Source 
git-svn-id: https://leveldb.googlecode.com/svn/trunk@20 62dab493-f737-651d-591e-8d6aee1b9529
This commit is contained in:
dgrogan@chromium.org
2011-04-12 19:38:58 +00:00
parent 9e33808a26
commit f779e7a5d8
117 changed files with 629 additions and 276 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
db/db_impl.h Normal file → Executable file
View File

@@ -36,7 +36,7 @@ class DBImpl : public DB {
virtual Iterator* NewIterator(const ReadOptions&);
virtual const Snapshot* GetSnapshot();
virtual void ReleaseSnapshot(const Snapshot* snapshot);
virtual bool GetProperty(const Slice& property, uint64_t* value);
virtual bool GetProperty(const Slice& property, std::string* value);
virtual void GetApproximateSizes(const Range* range, int n, uint64_t* sizes);
// Extra methods (for testing) that are not in the public DB interface
@@ -72,14 +72,6 @@ class DBImpl : public DB {
// be made to the descriptor are added to *edit.
Status Recover(VersionEdit* edit);
// Apply the specified updates and save the resulting descriptor to
// persistent storage. If cleanup_mem is non-NULL, arrange to
// delete it when all existing snapshots have gone away iff Install()
// returns OK.
Status Install(VersionEdit* edit,
uint64_t new_log_number,
MemTable* cleanup_mem);
void MaybeIgnoreError(Status* s) const;
// Delete any unneeded files and stale in-memory entries.
@@ -99,6 +91,7 @@ class DBImpl : public DB {
Status WriteLevel0Table(MemTable* mem, VersionEdit* edit);
Status MakeRoomForWrite(bool force /* compact even if there is room? */);
bool HasLargeValues(const WriteBatch& batch) const;
// Process data in "*updates" and return a status. "assigned_seq"
@@ -141,6 +134,7 @@ class DBImpl : public DB {
const InternalKeyComparator internal_comparator_;
const Options options_; // options_.comparator == &internal_comparator_
bool owns_info_log_;
bool owns_cache_;
const std::string dbname_;
// table_cache_ provides its own synchronization
@@ -152,13 +146,13 @@ class DBImpl : public DB {
// State below is protected by mutex_
port::Mutex mutex_;
port::AtomicPointer shutting_down_;
port::CondVar bg_cv_; // Signalled when !bg_compaction_scheduled_
port::CondVar bg_cv_; // Signalled when !bg_compaction_scheduled_
port::CondVar compacting_cv_; // Signalled when !compacting_
SequenceNumber last_sequence_;
MemTable* mem_;
MemTable* imm_; // Memtable being compacted
port::AtomicPointer has_imm_; // So bg thread can detect non-NULL imm_
WritableFile* logfile_;
log::Writer* log_;
uint64_t log_number_;
SnapshotList snapshots_;
// Set of table files to protect from deletion because they are
@@ -176,6 +170,23 @@ class DBImpl : public DB {
// Have we encountered a background error in paranoid mode?
Status bg_error_;
// Per level compaction stats. stats_[level] stores the stats for
// compactions that produced data for the specified "level".
struct CompactionStats {
int64_t micros;
int64_t bytes_read;
int64_t bytes_written;
CompactionStats() : micros(0), bytes_read(0), bytes_written(0) { }
void Add(const CompactionStats& c) {
this->micros += c.micros;
this->bytes_read += c.bytes_read;
this->bytes_written += c.bytes_written;
}
};
CompactionStats stats_[config::kNumLevels];
// No copying allowed
DBImpl(const DBImpl&);
void operator=(const DBImpl&);