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rocksdb/db/db_impl_experimental.cc

60 lines
2.0 KiB

// Copyright (c) 2013, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "db/db_impl.h"
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include <vector>
#include "db/column_family.h"
#include "db/version_set.h"
#include "rocksdb/status.h"
namespace rocksdb {
#ifndef ROCKSDB_LITE
Status DBImpl::SuggestCompactRange(ColumnFamilyHandle* column_family,
const Slice* begin, const Slice* end) {
auto cfh = reinterpret_cast<ColumnFamilyHandleImpl*>(column_family);
auto cfd = cfh->cfd();
InternalKey start_key, end_key;
if (begin != nullptr) {
start_key = InternalKey(*begin, kMaxSequenceNumber, kValueTypeForSeek);
}
if (end != nullptr) {
end_key = InternalKey(*end, 0, static_cast<ValueType>(0));
}
{
InstrumentedMutexLock l(&mutex_);
auto vstorage = cfd->current()->storage_info();
for (int level = 0; level < vstorage->num_non_empty_levels(); ++level) {
std::vector<FileMetaData*> inputs;
vstorage->GetOverlappingInputs(
level, begin == nullptr ? nullptr : &start_key,
end == nullptr ? nullptr : &end_key, &inputs);
for (auto f : inputs) {
f->marked_for_compaction = true;
}
}
// Since we have some more files to compact, we should also recompute
// compaction score
vstorage->ComputeCompactionScore(*cfd->GetLatestMutableCFOptions(),
CompactionOptionsFIFO());
SchedulePendingCompaction(cfd);
MaybeScheduleFlushOrCompaction();
}
return Status::OK();
}
#endif // ROCKSDB_LITE
} // namespace rocksdb